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Comprehensive Listing of 175 Semantic Web Tools
This AI3 blog maintains Sweet Tools, the largest listing of about 800 semantic Web and -related tools available. Most are open source. Click here to see the current listing! I have been assembling for some time a listing of semantic Web-related software applications and tools. My first partial listing had about 50 sources. I recently noted the W3C's semantic Web wiki listing of about 70 sources. I then came across the EU's AKT (Advanced Knowledge Technologies) project, which also has about 75 tools compiled. Protégé also has a fairly long list of plugins, but not unfortunately well organized. Complicating matters still was the listing of natural language processing tools listed at the Natural Language Software Registy, another fantastic resource particularly in the annotation and information extraction arena. Semantic Web tool sets span from comprehensive engineering environments to specific converters and editors and the like. The entire workflow extends from getting the initial content, annotating or tagging it according to existing or built ontologies, reconciling heterogeneities, and then storing and managing the RDF or OWL with subsequent querying and inferencing. There are certainly more tools extant, and I made some choices to exclude some marginal tools (Sourceforge, for example, has more than 200 semantic Web-related projects, but the vast majority appear moribund with no actual software to download). Thus, listed below, are today's current, most comprehensive list of 175 semantic Web software tools and applications. I am now further characterizing these offline as to open source v. proprietary and categorizing according to SW-related workflow. I may later post those expansions. I also welcome tool suggestions. I think the ESW tools listing is the best place ongoing for such a compilation, but so far I am not liking what I am seeing in vendors using hype to characterize their tools versus more dispassionate descriptions by practitioners. NAME (URL) DESCRIPTION 3store A core C library that uses MySQL to store its raw RDF data and caches, forming an important part of the infrastructure required to support a range of knowledgeable services 4Suite 4RDF The 4Suite 4RDF is an open-source platform for XML and RDF processing implemented in Python with C extensions ActiveRDF ActiveRDF is a library for accessing RDF data from Ruby programs. It can be used as data layer in Ruby-on-Rails. You can address RDF resources, classes, properties, etc. programmatically, without queries Adaptiva A user-centred ontology building environment, based on using multiple strategies to construct an ontology, minimising user input by using adaptive information extraction Aduna Metadata Server The Aduna Metadata Server automatically extracts metadata from information sources, like a file server, an intranet or public web sites. The Aduna Metadata Server is a powerful and scalable store for metadata AeroText Entity extraction engine from Lockheed Martin AJAX Client for SPARQL AJAX Client for SPARQL is a simple AJAX client that can be used for running SELECT queries against a service and then integrating them with client-side Javascript code AKT Research Map A competence map for members of the AKT project AKT-Bus An open, lightweight, Web standards-based communication infrastructure to support interoperability among knowledge services. AllegroGraph Franz Inc's AllegroGraph is a system to load, store and query RDF data. It includes a SPARQL interface and RDFS reasoning. It has a Java and a Prolog interface Alembic The Alembic Workbench project from Mitre has as its goal the creation of a natural language engineering environment for the development of tagged corpora Almo An ontology-based workflow engine in Java Altova SemanticWorks Visual RDF and OWL editor that auto-generates RDF/XML or nTriples based on visual ontology design Amilcare An adaptive information extraction tool designed to support document annotation for the Semantic Web. ANNIE - Open Source Information Extraction An open-source robust information extraction system Aperture Aperture is a Java framework for extracting and querying full-text content and metadata from various information systems (e.g. file systems, web sites, mail boxes) and the file formats (e.g. documents, images) occurring in these systems Applications of FCA in AKT Formal Concept Analysis (FCA) is used in a variety of application scenarios in AKT in order to perform concept-based domain analysis and automatically deduce a taxonomy lattice of that domain. Aqua AQUA is a system which answer questions written in English. It combines several technologies Natural Language Processing, Logic, Information Retrieval and Ontologies. ARC ARC is a lightweight, SPARQL-enabled RDF system for mainstream Web projects. It is written in PHP and has been optimized for shared Web environments Armadillo Exploits the redundancies apparent in the Internet, combining many information sources to perform document annotation with minimal human intervention. ArtEquAkt A system that automatically extracts information about artists from the web, populates an ontology, then uses the knowledge to generate personalised biographies. Automatic Support for Enterprise Modelling and Workflow Knowledge management using multi-modelling techniques and how modelling activities may be assisted with automation based on formal methods. BBN OWL Validator BBN OWL Validator Bibster A semantics-based bibliographic peer-to-peer system Bossam Bossam, a rule-based OWL reasoner (free, well-documented, closed-source) Brahms Brahms is a fast main-memory RDF/S storage, capable of storing, accessing and querying large ontologies. It is implemented as a set of C++ classes BuddySpace Instant messaging with custom map visualizations, semantics of presence (beyond 'offline'/'online'/'away' status) and value-added web services (group alerts, bots, inferences via personal profiles) Callisto The Callisto annotation tool was developed to support linguistic annotation of textual sources for any Unicode-supported language with annotation support from jATLAS CASD A tool for producing system architecture diagrams from service and data descriptions. Cerebra Server A technology platform that is used by enterprises to build model-driven applications and highly adaptive information integration infrastructure; company recently bought by webMethods COCKATOO A knowledge acquisition tool which can be used to produce a set of cases for use with a Case-Based Reasoning system. COHSE - Conceptual Open Hypermedia Services Environment COHSE researches methods to improve significantly the quality, consistency and breadth of linking of WWW documents at retrieval and authoring time. CS AKTiveSpace CS AKTiveSpace is a smart browser interface for a Semantic Web application that provides ontologically motivated information about the UK computer science research community. ClassAKT A text classification web service for classifying documents according to the ACM Computing Classification System. Compendium Compendium is a semantic, visual hypertext tool for supporting collaborative domain modelling and real time meeting capture ConRef A service discovery system which uses ontology mapping techniques to support different user vocabularies ConcepTool A system to model, analyse, verify, validate, share, combine, and reuse domain knowledge bases and ontologies, reasoning about their implication. Corese Corese stands for Conceptual Resource Search Engine. It is an RDF engine based on Conceptual Graphs (CG) and written in Java. It enables the processing of RDF Schema and RDF statements within the CG formalism, provides a rule engine and a query engine accepting the SPARQL syntax cwm The Closed World Machine (CWM) data manipulator, rules processor and query system mostly using using the Notation 3 textual RDF syntax. It also has an incomplete OWL Full and a SPARQL access. It is written in Python Cypher Cypher Generates RDF and SeRQL representation of natural language statements and phrases D2R Server D2R Server, turns relational databases into SPARQL endpoints, based on Jena's Joseki D3E - Digital Document Discourse Environment D3E enables the easy conversion of websites or structured documents into interactive discussion sites Deep Query Manager Search federator from deep Web sources DOME A programmable XML editor which is being used in a knowledge extraction role to transform Web pages into RDF, and available as Eclipse plug-ins. DOME stands for DERI Ontology Management Environment DOSE A distributed platform for semantic annotation Drive Drive is an RDF parser written in C# for the .NET platform ekoss.org A collaborative knowledge sharing environment where model developers can submit advertisements Ellogon Ellogon is a multi-lingual, cross-platform, general-purpose language engineering environment, based on the earlier TIPSTER approach Endeca Facet-based content organizer and search platform Eprep An add-on for the Eprints document archive which uses text extraction to automatically create the bibliographic metadata needed for the submission of a new document. eServices The e-Services framework provides advanced scholarly services (in particular visualisations) using distributed metadata. Euler Euler is an inference engine supporting logic based proofs. It is a backward-chaining reasoner enhanced with Euler path detection. It has implementations in Java, C#, Python, Javascript and Prolog. Via N3 it is interoperable with W3C Cwm ExtrAKT ExtrAKT is a tool for extracting ontologies from Prolog knowledge bases. F-Life F-Life is a tool for analysing and maintaining life-cycle patterns in ontology development. FaCT++ FaCT++ is an OWL DL Reasoner implemented in C++ Fastr Fastr is a parser for term and variant recognition. Fastr take as input a corpus and a list of terms and ouputs the indexed corpus in which terms and variants are recognized Floodsim A prototype system which demonstrates the benefits of applying semantically rich service descriptions (expressed using Semantic Web technologies) to Web Services. FOAF-o-matic Online FOAF generator FOAM Framework for ontology alignment and mapping Foxtrot Foxtrot is a recommender system which represents user profiles in ontological terms, allowing inference, bootstrapping and profile visualization. FreeLing FreeLing is an open source language analysis tool suite. The FreeLing package consists of a library providing language analysis services (such as morphological analysis, date recognition, PoS tagging, etc.) The current version (1.2) of the package provides tokenizing, sentence splitting, morphological analysis, NE detection, date/number/currency recognition, PoS tagging, and chart-based shallow parsing GATE - General Architecture for Text Engineering GATE is a stable, robust, and scalable open-source infrastructure which allows users to build and customise language processing components, while it handles mundane tasks like data storage, format analysis and data visualisation. Gnowsis A semantic desktop environment GrOWL Open source graphical ontology browser and editor HAWK OWL repository framework and toolkit Heart of Gold Heart of Gold is a middleware for the integration of deep and shallow natural language processing components. It provides a uniform and flexible infrastructure for building applications that use Robust Minimal Recursion Semantics (RMRS) and/or general XML standoff annotation produced by NLP components HELENOS A Knowledge discovery workbench for the semantic Web I-X Process Panels The I-X tool suite supports principled collaborations of human and computer agents in the creation or modification of some product. Identify Knowledge Base Identify-Knowledge-Base is a tool of Topic Identification about Knowledge Base IF-Map IF-Map is an Information Flow based ontology mapping method. It is based on the theoretical grounds of logic of distributed systems and provides an automated streamlined process for generating mappings between ontologies of the same domain. ILP for Information Extraction To overcome the knowledge acquisition bottleneck, we apply Inductive Logic Programming techniques to learn Information Extraction rules. Internet Reasoning Service The Internet Reasoning Service provides a a number of tools which supports the publication, location, composition and execution of heterogeneous web services, specified using semantic web technology IODT IBM's toolkit for ontology-driven development IsaViz IsaViz is a visual authoring tool for browsing and authoring RDF models represented as graphs. Developed by Emmanuel Pietriga of W3C and Xerox Research Centre Europe. Jambalaya Protégé plug-in for visualizing ontologies Jastor Open source Java code generator that emits Java Beans from ontologies Javascript RDF/Turtle parser Javascript RDF/Turtle parser, can be used with Jibbering Jena Jena is a Java framework to construct Semantic Web Applications. It provides a programmatic environment for RDF, RDFS and OWL, SPARQL and includes a rule-based inference engine. It also has the ability to be used as an RDF database via its Joseki layer. See the jena discussion list for more information Jibbering Jibbering, a simple javascript RDF Parser and query thingy Joseki Jena's Joseki layer offers an RDF Triple Store facility with SPARQL interface (see also the entry on Jena) JRDF JRDF Java RDF Binding is an attempt to create a standard set of APIs and base implementations to RDF using Java. Includes a SPARQL GUI. KAON Open source ontology management infrastructure KAON2 KAON2 is an an infrastructure for managing OWL-DL, SWRL, and F-Logic ontologies. it is capable of manipulating OWL-DL ontologies; queries can be formulated using SPARQL Kazuki Generates a java API for working with OWL instance data directly from a set of OWL ontologies KIM Platform KIM is a software platform for the semantic annotation of text, automatic ontology population, indexing and retrieval, and information extraction from Ontotext KnoZilla Knowledge Broker The knowledge broker addresses the problem of knowledge service location in distributed environments. Kowari Open source database for RDF and OWL KRAFT - I-X TIE Supports collaboration among members of a virtual organisation by integrating workflow and communication technology with constraint solving. LingPipe LingPipe is a suite of Java tools designed to perform linguistic analysis on natural language data. LingPipe's flexibility and included source make it appropriate for research use. Version 1.0 tools include a statistical named-entity detector, a heuristic sentence boundary detector, and a heuristic within-document coreference resolution engine LinguaStream LinguaStream is an integrated experimentation environment (IEE) targeted to researchers in Natural Language Processing. LinguaStream allows processing streams to be assembled visually, picking individual components in a "palette" (the standard set contains about fifty components, and is easily extensible using a Java API, a macro-component system, and templates). Some components are specifically targeted to NLP, while others solve various issues related to document engineering (especially to XML processing). Other components are to be used in order to perform computations on the annotations produced by the analysers, to visualise annotated documents, to generate charts, etc. LinKFactory Language & Computing's LinKFactory is an ontology management tool, it provides an effective and user-friendly way to create, maintain and extend extensive multilingual terminology systems and ontologies (English, Spanish, French, etc.). It is designed to build, manage and maintain large, complex, language independent ontologies. Lucene Apache Lucene is a high-performance, full-featured text search engine library written entirely in Java. It is a technology suitable for nearly any application that requires full-text search, especially cross-platform. It is open source LuMriX A commercial search engine using semantic Web technologies Magpie Magpie supports the interpretation of web documents through on-the-fly ontologically based enrichment. Semantic services can be invoked either by the user or be automatically triggered by patterns of browsing activity Melita Melita is a semi-automatic annotation tool using an Adaptive Information Extraction engine (Amilcare)to support the user in document annotation. MetaMatrix Semantic vocabulary mediation and other tools Metatomix Commercial semantic toolkits and editors MindRaider Open source semantic Web outline editor MnM MnM is an annotation tool which provides both automated and semi-automated support for annotating web pages with semantic contents. MnM integrates a web browser with an ontology editor and provides open APIs to link to ontology servers and for integrating information extraction tool Model Futures OWL Editor Simple OWL tools, featuring UML (XMI), ErWin, thesaurus and imports Mulgara The Mulgara Semantic Store is an Open Source, massively scalable, transaction-safe, purpose-built database for the storage and retrieval of RDF, written in Java. It is an active fork of Kowari Muskrat-II Given a set of knowledge bases and problems solvers, the Muskrat system will try to identify which knowledge bases could be combined with which problems solvers to solve a given problem. MyPlanet MyPlanet allows users to create a personalised version of a web based newsletter using an ontologically based profile. Net OWL Entity extraction engine from SRA International NMARKUP NMARKUP helps the user build ontologies by detecting nouns in texts and by providing support for the creation of an ontology based on the entities extracted. Nokia Semantic Web Server An RDF based knowledge portal for publishing both authoritative and third party descriptions of URI denoted resources ONTOCOPI A tool which uncovers Communities Of Practise by analysing the connectivity of instances in the 3store knowledge base. OntoEdit/OntoStudio Engineering environment for ontologies OntoMat Annotizer Interactive Web page OWL and semantic annotator tool OntoPortal Enables the authoring and navigation of large semantically-powered portals OpenLink Data Spaces (ODS) ODS is a distributed collaborative application platform for creating Semantic Web applications such as: blogs, wikis, feed aggregators, etc., with built-in SPARQL support and incorporation of shared ontologies such as SIOC, FOAF, and Atom OWL. ODS is an application of OpenLink Virtuoso and is available in Open Source and Commercial Editions Oracle Spatial 10g Oracle Spatial 10g includes an open, scalable, secure and reliable RDF management platform Oyster Peer-to-peer system for storing and sharing ontology metadata OWL Consistency checker OWL Consistency checker (based on Pellet) OWL-DL Validator WonderWeb OWL-DL Validator OWLJessKB OWLJessKB is a description logic reasoner for OWL. The semantics of the language is implemented using Jess, the Java Expert System Shell. Currently most of the common features of OWL lite, plus some and minus some OWLIM OWLIM is a high-performance semantic repository, packaged as a Storage and Inference Layer (SAIL) for the Sesame RDF database OWLViz OWLViz is visual editor for OWL and is available as a Protégéplug-in Pellet Pellet is an open-source Java based OWL DL reasoner. It can be used in conjunction with both Jena and OWL API libraries; it can also be downloaded and be included in other applications Piggy Bank A Firefox-based semantic Web browser Pike A dynamic programming (scripting) language similar to Java and C for the semantic Web pOWL Semantic Web development platform Protégé Open source visual ontology editor written in Java with many plug-in tools RACER A collection of Projects and Tools to be used with the semantic reasoning engine RacerPro RacerPro RacerPro is an OWL reasoner and inference server for the Semantic Web rdfabout.com's Validator RDF/XML and N3 validator RDF Gateway Intellidimension's RDF Gateway is an RDF Triple database with RDFS reasoning and SPARQL interface RDF InferEd Intellidimension's RDF InferEd is an authoring environment with the ability to navigate and edit RDF documents RDFLib RDFLib, an RDF libary for Python, including a SPARQL API. The library also contains both in-memory and persistent Graph backends RDFReactor Access RDF from Java using inferencing RDF Server The RDF server of the PHP RAP environment RDFStore RDFStore is an RDF storage with Perl and C API-s and SPARQL facilities RDFSuite The ICS-FORTH RDFSuite open source, high-level scalable tools for the Semantic Web. This suite includes Validating RDF Parser (VRP), a RDF Schema Specific DataBase (RSSDB) and supporting RDF Query Language (RQL) Redland The Redland RDF Application Framework is a set of free software libraries that provide support for RDF. It provides parser for RDF/XML, Turtle, N-triples, Atom, RSS; has a SPARQL and GRDDL implementation, and has language interfaces to C#, Python, Obj-C, Perl, PHP, Ruby, Java and Tcl RelationalOWL Automatically extracts the semantics of virtually any relational database and transforms this information automatically into RDF/OW ReTAX+ ReTAX is an aide to help a taxonomist create a consistent taxonomy and in particular provides suggestions as to where a new entity could be placed in the taxonomy whilst retaining the integrity of the revised taxonomy (c.f., problems in ontology modelling). Refiner++ REFINER++ is a system which allows domain experts to create and maintain their own Knowledge Bases, and to receive suggestions as to how to remove inconsistencies, if they exist. Seamark Navigator Siderean's Seamark Navigator provides a platform to combine Web search pages with product catalog databases, document servers, and other digital information from both inside and outside the enterprise Semantic Annotation with MnM MnM is a semantic annotation tool which provides manual, automated and semi-automated support for annotating web pages with 'semantics', i.e., machine interpretable descriptions. Semantical Open source semantic Web search engine SemanticWorks A visual RDF/OWL Editor from Altova Semantic Mediawiki Semantic extension to the MediaWiiki wiki Semantic Net Generator Utility for generating topic maps automatically SemWeb SemWeb for .NET supports persistent storage in MySQL, Postgre, and Sqlite; has been tested with 10-50 million triples; supports SPARQL Sesame Sesame is an open source RDF database with support for RDF Schema inferencing and querying. It offers a large scale of tools to developers to leverage the power of RDF and RDF Schema SMART System for Managing Applications based on RDF Technology SMORE OWL markup for HTML pages SPARQL Query language for RDF SPARQLer SPARQL query demo and service SPARQLette A SPARQL demo query service SPARQL JavaScript Library SPARQL JavaScript Library interfaces to the SPARQL Protocol and interpret the return values as part of an AJAX framework SWCLOS A semantic Web processor using Lisp SWI-Prolog SWI-Prolog is a comprehensive Prolog environment, which also includes an RDF Triple store. There is also a separate Prolog library to handle OWL Swish Swish is a framework for performing deductions in RDF. It has similar features to CWM. It is written for Haskell developers Swoogle A semantic Web search engine with 1.5 M resources SWOOP A lightweight ontology editor TopBraid Composer Top Quandrant's TopBraid Composer is a complete standards-based platform for developing, testing and maintaining Semantic Web applications Tucana Suite Northrop Grumman's Tucana Suite is an industrial quality version of the Kowari metastore Turtle Terse RDF "Triple" language Visualisations for the CS AKTive Portal Maps are used to geographically illustrate knowledge from the Triplestore, such as highlighting the locations in the UK that are active in a particular research area. VisuaText VisualText Ãƒâ€šÃ‚Â® is an integrated development environment for building information extraction systems, natural language processing systems, and text analyzers W3C's RDF Validator W3C's RDF Validator WebOnto WebOnto supports the browsing, creation and editing of ontologies through coarse grained and fine grained visualizations and direct manipulation. Wilbur Wilbur is lisp based toolkit for Semantic Web Programming. Wilbur is Nokia Research Center's toolkit for programming Semantic Web applications that use RDF written in Common Lisp WSMO Studio A semantic Web service editor compliant with WSMO as a set of Eclipse plug-ins WSMT Toolkit The Web Service Modeling Toolkit (WSMT) is a collection of tools for use with the Web Service Modeling Ontology (WSMO), the Web Service Modeling Language (WSML) and the Web Service Execution Environment (WSMX) WSMX Execution environment for dynamic use of semantic Web services XML Army Knife XML Army Knife XMP A labeling technology from Adobe that enables data about a file to be embedded as metadata into the file itself. YARS YARS (Yet Another RDF Store) is a data store for RDF in Java and allows for querying RDF based on a declarative query language, which offers a somewhat higher abstraction layer than the APIs of RDF toolkits such as Jena or Redland Zotero Firefox add-in (in development) that allows the auto-completion of online citations
This AI3 blog maintains Sweet Tools, the largest listing of about 800 semantic Web and -related tools available. Most are open source. Click here to see the current listing! I have been assembling for some time a listing of semantic Web-related software applications and tools. My first partial listing had about 50 sources. I recently noted the W3C’s semantic Web wiki listing of about 70 sources. I then came across the EU’s AKT (Advanced Knowledge Technologies) project, which also has about 75 tools compiled. Protégé also has a fairly long list of plugins, but not unfortunately well organized. Complicating matters still was the listing of natural language processing tools listed at the Natural Language Software Registy, another fantastic resource particularly in the annotation and information extraction arena. Semantic Web tool sets span from comprehensive engineering environments to specific converters and editors and the like. The entire workflow extends from getting the initial content, annotating or tagging it according to existing or built ontologies, reconciling heterogeneities, and then storing and managing the RDF or OWL with subsequent querying and inferencing. There are certainly more tools extant, and I made some choices to exclude some marginal tools (Sourceforge, for example, has more than 200 semantic Web-related projects, but the vast majority appear moribund with no actual software to download). Thus, listed below, are today’s current, most comprehensive list of 175 semantic Web software tools and applications. I am now further characterizing these offline as to open source v. proprietary and categorizing according to SW-related workflow. I may later post those expansions. I also welcome tool suggestions. I think the ESW tools listing is the best place ongoing for such a compilation, but so far I am not liking what I am seeing in vendors using hype to characterize their tools versus more dispassionate descriptions by practitioners. NAME (URL) DESCRIPTION 3store A core C library that uses MySQL to store its raw RDF data and caches, forming an important part of the infrastructure required to support a range of knowledgeable services 4Suite 4RDF The 4Suite 4RDF is an open-source platform for XML and RDF processing implemented in Python with C extensions ActiveRDF ActiveRDF is a library for accessing RDF data from Ruby programs. It can be used as data layer in Ruby-on-Rails. You can address RDF resources, classes, properties, etc. programmatically, without queries Adaptiva A user-centred ontology building environment, based on using multiple strategies to construct an ontology, minimising user input by using adaptive information extraction Aduna Metadata Server The Aduna Metadata Server automatically extracts metadata from information sources, like a file server, an intranet or public web sites. The Aduna Metadata Server is a powerful and scalable store for metadata AeroText Entity extraction engine from Lockheed Martin AJAX Client for SPARQL AJAX Client for SPARQL is a simple AJAX client that can be used for running SELECT queries against a service and then integrating them with client-side Javascript code AKT Research Map A competence map for members of the AKT project AKT-Bus An open, lightweight, Web standards-based communication infrastructure to support interoperability among knowledge services. AllegroGraph Franz Inc’s AllegroGraph is a system to load, store and query RDF data. It includes a SPARQL interface and RDFS reasoning. It has a Java and a Prolog interface Alembic The Alembic Workbench project from Mitre has as its goal the creation of a natural language engineering environment for the development of tagged corpora Almo An ontology-based workflow engine in Java Altova SemanticWorks Visual RDF and OWL editor that auto-generates RDF/XML or nTriples based on visual ontology design Amilcare An adaptive information extraction tool designed to support document annotation for the Semantic Web. ANNIE – Open Source Information Extraction An open-source robust information extraction system Aperture Aperture is a Java framework for extracting and querying full-text content and metadata from various information systems (e.g. file systems, web sites, mail boxes) and the file formats (e.g. documents, images) occurring in these systems Applications of FCA in AKT Formal Concept Analysis (FCA) is used in a variety of application scenarios in AKT in order to perform concept-based domain analysis and automatically deduce a taxonomy lattice of that domain. Aqua AQUA is a system which answer questions written in English. It combines several technologies Natural Language Processing, Logic, Information Retrieval and Ontologies. ARC ARC is a lightweight, SPARQL-enabled RDF system for mainstream Web projects. It is written in PHP and has been optimized for shared Web environments Armadillo Exploits the redundancies apparent in the Internet, combining many information sources to perform document annotation with minimal human intervention. ArtEquAkt A system that automatically extracts information about artists from the web, populates an ontology, then uses the knowledge to generate personalised biographies. Automatic Support for Enterprise Modelling and Workflow Knowledge management using multi-modelling techniques and how modelling activities may be assisted with automation based on formal methods. BBN OWL Validator BBN OWL Validator Bibster A semantics-based bibliographic peer-to-peer system Bossam Bossam, a rule-based OWL reasoner (free, well-documented, closed-source) Brahms Brahms is a fast main-memory RDF/S storage, capable of storing, accessing and querying large ontologies. It is implemented as a set of C++ classes BuddySpace Instant messaging with custom map visualizations, semantics of presence (beyond ‘offline’/’online’/’away’ status) and value-added web services (group alerts, bots, inferences via personal profiles) Callisto The Callisto annotation tool was developed to support linguistic annotation of textual sources for any Unicode-supported language with annotation support from jATLAS CASD A tool for producing system architecture diagrams from service and data descriptions. Cerebra Server A technology platform that is used by enterprises to build model-driven applications and highly adaptive information integration infrastructure; company recently bought by webMethods COCKATOO A knowledge acquisition tool which can be used to produce a set of cases for use with a Case-Based Reasoning system. COHSE – Conceptual Open Hypermedia Services Environment COHSE researches methods to improve significantly the quality, consistency and breadth of linking of WWW documents at retrieval and authoring time. CS AKTiveSpace CS AKTiveSpace is a smart browser interface for a Semantic Web application that provides ontologically motivated information about the UK computer science research community. ClassAKT A text classification web service for classifying documents according to the ACM Computing Classification System. Compendium Compendium is a semantic, visual hypertext tool for supporting collaborative domain modelling and real time meeting capture ConRef A service discovery system which uses ontology mapping techniques to support different user vocabularies ConcepTool A system to model, analyse, verify, validate, share, combine, and reuse domain knowledge bases and ontologies, reasoning about their implication. Corese Corese stands for Conceptual Resource Search Engine. It is an RDF engine based on Conceptual Graphs (CG) and written in Java. It enables the processing of RDF Schema and RDF statements within the CG formalism, provides a rule engine and a query engine accepting the SPARQL syntax cwm The Closed World Machine (CWM) data manipulator, rules processor and query system mostly using using the Notation 3 textual RDF syntax. It also has an incomplete OWL Full and a SPARQL access. It is written in Python Cypher Cypher Generates RDF and SeRQL representation of natural language statements and phrases D2R Server D2R Server, turns relational databases into SPARQL endpoints, based on Jena’s Joseki D3E – Digital Document Discourse Environment D3E enables the easy conversion of websites or structured documents into interactive discussion sites Deep Query Manager Search federator from deep Web sources DOME A programmable XML editor which is being used in a knowledge extraction role to transform Web pages into RDF, and available as Eclipse plug-ins. DOME stands for DERI Ontology Management Environment DOSE A distributed platform for semantic annotation Drive Drive is an RDF parser written in C# for the .NET platform ekoss.org A collaborative knowledge sharing environment where model developers can submit advertisements Ellogon Ellogon is a multi-lingual, cross-platform, general-purpose language engineering environment, based on the earlier TIPSTER approach Endeca Facet-based content organizer and search platform Eprep An add-on for the Eprints document archive which uses text extraction to automatically create the bibliographic metadata needed for the submission of a new document. eServices The e-Services framework provides advanced scholarly services (in particular visualisations) using distributed metadata. Euler Euler is an inference engine supporting logic based proofs. It is a backward-chaining reasoner enhanced with Euler path detection. It has implementations in Java, C#, Python, Javascript and Prolog. Via N3 it is interoperable with W3C Cwm ExtrAKT ExtrAKT is a tool for extracting ontologies from Prolog knowledge bases. F-Life F-Life is a tool for analysing and maintaining life-cycle patterns in ontology development. FaCT++ FaCT++ is an OWL DL Reasoner implemented in C++ Fastr Fastr is a parser for term and variant recognition. Fastr take as input a corpus and a list of terms and ouputs the indexed corpus in which terms and variants are recognized Floodsim A prototype system which demonstrates the benefits of applying semantically rich service descriptions (expressed using Semantic Web technologies) to Web Services. FOAF-o-matic Online FOAF generator FOAM Framework for ontology alignment and mapping Foxtrot Foxtrot is a recommender system which represents user profiles in ontological terms, allowing inference, bootstrapping and profile visualization. FreeLing FreeLing is an open source language analysis tool suite. The FreeLing package consists of a library providing language analysis services (such as morphological analysis, date recognition, PoS tagging, etc.) The current version (1.2) of the package provides tokenizing, sentence splitting, morphological analysis, NE detection, date/number/currency recognition, PoS tagging, and chart-based shallow parsing GATE – General Architecture for Text Engineering GATE is a stable, robust, and scalable open-source infrastructure which allows users to build and customise language processing components, while it handles mundane tasks like data storage, format analysis and data visualisation. Gnowsis A semantic desktop environment GrOWL Open source graphical ontology browser and editor HAWK OWL repository framework and toolkit Heart of Gold Heart of Gold is a middleware for the integration of deep and shallow natural language processing components. It provides a uniform and flexible infrastructure for building applications that use Robust Minimal Recursion Semantics (RMRS) and/or general XML standoff annotation produced by NLP components HELENOS A Knowledge discovery workbench for the semantic Web I-X Process Panels The I-X tool suite supports principled collaborations of human and computer agents in the creation or modification of some product. Identify Knowledge Base Identify-Knowledge-Base is a tool of Topic Identification about Knowledge Base IF-Map IF-Map is an Information Flow based ontology mapping method. It is based on the theoretical grounds of logic of distributed systems and provides an automated streamlined process for generating mappings between ontologies of the same domain. ILP for Information Extraction To overcome the knowledge acquisition bottleneck, we apply Inductive Logic Programming techniques to learn Information Extraction rules. Internet Reasoning Service The Internet Reasoning Service provides a a number of tools which supports the publication, location, composition and execution of heterogeneous web services, specified using semantic web technology IODT IBM’s toolkit for ontology-driven development IsaViz IsaViz is a visual authoring tool for browsing and authoring RDF models represented as graphs. Developed by Emmanuel Pietriga of W3C and Xerox Research Centre Europe. Jambalaya Protégé plug-in for visualizing ontologies Jastor Open source Java code generator that emits Java Beans from ontologies Javascript RDF/Turtle parser Javascript RDF/Turtle parser, can be used with Jibbering Jena Jena is a Java framework to construct Semantic Web Applications. It provides a programmatic environment for RDF, RDFS and OWL, SPARQL and includes a rule-based inference engine. It also has the ability to be used as an RDF database via its Joseki layer. See the jena discussion list for more information Jibbering Jibbering, a simple javascript RDF Parser and query thingy Joseki Jena’s Joseki layer offers an RDF Triple Store facility with SPARQL interface (see also the entry on Jena) JRDF JRDF Java RDF Binding is an attempt to create a standard set of APIs and base implementations to RDF using Java. Includes a SPARQL GUI. KAON Open source ontology management infrastructure KAON2 KAON2 is an an infrastructure for managing OWL-DL, SWRL, and F-Logic ontologies. it is capable of manipulating OWL-DL ontologies; queries can be formulated using SPARQL Kazuki Generates a java API for working with OWL instance data directly from a set of OWL ontologies KIM Platform KIM is a software platform for the semantic annotation of text, automatic ontology population, indexing and retrieval, and information extraction from Ontotext KnoZilla Knowledge Broker The knowledge broker addresses the problem of knowledge service location in distributed environments. Kowari Open source database for RDF and OWL KRAFT – I-X TIE Supports collaboration among members of a virtual organisation by integrating workflow and communication technology with constraint solving. LingPipe LingPipe is a suite of Java tools designed to perform linguistic analysis on natural language data. LingPipe’s flexibility and included source make it appropriate for research use. Version 1.0 tools include a statistical named-entity detector, a heuristic sentence boundary detector, and a heuristic within-document coreference resolution engine LinguaStream LinguaStream is an integrated experimentation environment (IEE) targeted to researchers in Natural Language Processing. LinguaStream allows processing streams to be assembled visually, picking individual components in a “palette” (the standard set contains about fifty components, and is easily extensible using a Java API, a macro-component system, and templates). Some components are specifically targeted to NLP, while others solve various issues related to document engineering (especially to XML processing). Other components are to be used in order to perform computations on the annotations produced by the analysers, to visualise annotated documents, to generate charts, etc. LinKFactory Language & Computing’s LinKFactory is an ontology management tool, it provides an effective and user-friendly way to create, maintain and extend extensive multilingual terminology systems and ontologies (English, Spanish, French, etc.). It is designed to build, manage and maintain large, complex, language independent ontologies. Lucene Apache Lucene is a high-performance, full-featured text search engine library written entirely in Java. It is a technology suitable for nearly any application that requires full-text search, especially cross-platform. It is open source LuMriX A commercial search engine using semantic Web technologies Magpie Magpie supports the interpretation of web documents through on-the-fly ontologically based enrichment. Semantic services can be invoked either by the user or be automatically triggered by patterns of browsing activity Melita Melita is a semi-automatic annotation tool using an Adaptive Information Extraction engine (Amilcare)to support the user in document annotation. MetaMatrix Semantic vocabulary mediation and other tools Metatomix Commercial semantic toolkits and editors MindRaider Open source semantic Web outline editor MnM MnM is an annotation tool which provides both automated and semi-automated support for annotating web pages with semantic contents. MnM integrates a web browser with an ontology editor and provides open APIs to link to ontology servers and for integrating information extraction tool Model Futures OWL Editor Simple OWL tools, featuring UML (XMI), ErWin, thesaurus and imports Mulgara The Mulgara Semantic Store is an Open Source, massively scalable, transaction-safe, purpose-built database for the storage and retrieval of RDF, written in Java. It is an active fork of Kowari Muskrat-II Given a set of knowledge bases and problems solvers, the Muskrat system will try to identify which knowledge bases could be combined with which problems solvers to solve a given problem. MyPlanet MyPlanet allows users to create a personalised version of a web based newsletter using an ontologically based profile. Net OWL Entity extraction engine from SRA International NMARKUP NMARKUP helps the user build ontologies by detecting nouns in texts and by providing support for the creation of an ontology based on the entities extracted. Nokia Semantic Web Server An RDF based knowledge portal for publishing both authoritative and third party descriptions of URI denoted resources ONTOCOPI A tool which uncovers Communities Of Practise by analysing the connectivity of instances in the 3store knowledge base. OntoEdit/OntoStudio Engineering environment for ontologies OntoMat Annotizer Interactive Web page OWL and semantic annotator tool OntoPortal Enables the authoring and navigation of large semantically-powered portals OpenLink Data Spaces (ODS) ODS is a distributed collaborative application platform for creating Semantic Web applications such as: blogs, wikis, feed aggregators, etc., with built-in SPARQL support and incorporation of shared ontologies such as SIOC, FOAF, and Atom OWL. ODS is an application of OpenLink Virtuoso and is available in Open Source and Commercial Editions Oracle Spatial 10g Oracle Spatial 10g includes an open, scalable, secure and reliable RDF management platform Oyster Peer-to-peer system for storing and sharing ontology metadata OWL Consistency checker OWL Consistency checker (based on Pellet) OWL-DL Validator WonderWeb OWL-DL Validator OWLJessKB OWLJessKB is a description logic reasoner for OWL. The semantics of the language is implemented using Jess, the Java Expert System Shell. Currently most of the common features of OWL lite, plus some and minus some OWLIM OWLIM is a high-performance semantic repository, packaged as a Storage and Inference Layer (SAIL) for the Sesame RDF database OWLViz OWLViz is visual editor for OWL and is available as a Protégéplug-in Pellet Pellet is an open-source Java based OWL DL reasoner. It can be used in conjunction with both Jena and OWL API libraries; it can also be downloaded and be included in other applications Piggy Bank A Firefox-based semantic Web browser Pike A dynamic programming (scripting) language similar to Java and C for the semantic Web pOWL Semantic Web development platform Protégé Open source visual ontology editor written in Java with many plug-in tools RACER A collection of Projects and Tools to be used with the semantic reasoning engine RacerPro RacerPro RacerPro is an OWL reasoner and inference server for the Semantic Web rdfabout.com’s Validator RDF/XML and N3 validator RDF Gateway Intellidimension’s RDF Gateway is an RDF Triple database with RDFS reasoning and SPARQL interface RDF InferEd Intellidimension’s RDF InferEd is an authoring environment with the ability to navigate and edit RDF documents RDFLib RDFLib, an RDF libary for Python, including a SPARQL API. The library also contains both in-memory and persistent Graph backends RDFReactor Access RDF from Java using inferencing RDF Server The RDF server of the PHP RAP environment RDFStore RDFStore is an RDF storage with Perl and C API-s and SPARQL facilities RDFSuite The ICS-FORTH RDFSuite open source, high-level scalable tools for the Semantic Web. This suite includes Validating RDF Parser (VRP), a RDF Schema Specific DataBase (RSSDB) and supporting RDF Query Language (RQL) Redland The Redland RDF Application Framework is a set of free software libraries that provide support for RDF. It provides parser for RDF/XML, Turtle, N-triples, Atom, RSS; has a SPARQL and GRDDL implementation, and has language interfaces to C#, Python, Obj-C, Perl, PHP, Ruby, Java and Tcl RelationalOWL Automatically extracts the semantics of virtually any relational database and transforms this information automatically into RDF/OW ReTAX+ ReTAX is an aide to help a taxonomist create a consistent taxonomy and in particular provides suggestions as to where a new entity could be placed in the taxonomy whilst retaining the integrity of the revised taxonomy (c.f., problems in ontology modelling). Refiner++ REFINER++ is a system which allows domain experts to create and maintain their own Knowledge Bases, and to receive suggestions as to how to remove inconsistencies, if they exist. Seamark Navigator Siderean’s Seamark Navigator provides a platform to combine Web search pages with product catalog databases, document servers, and other digital information from both inside and outside the enterprise Semantic Annotation with MnM MnM is a semantic annotation tool which provides manual, automated and semi-automated support for annotating web pages with ‘semantics’, i.e., machine interpretable descriptions. Semantical Open source semantic Web search engine SemanticWorks A visual RDF/OWL Editor from Altova Semantic Mediawiki Semantic extension to the MediaWiiki wiki Semantic Net Generator Utility for generating topic maps automatically SemWeb SemWeb for .NET supports persistent storage in MySQL, Postgre, and Sqlite; has been tested with 10-50 million triples; supports SPARQL Sesame Sesame is an open source RDF database with support for RDF Schema inferencing and querying. It offers a large scale of tools to developers to leverage the power of RDF and RDF Schema SMART System for Managing Applications based on RDF Technology SMORE OWL markup for HTML pages SPARQL Query language for RDF SPARQLer SPARQL query demo and service SPARQLette A SPARQL demo query service SPARQL JavaScript Library SPARQL JavaScript Library interfaces to the SPARQL Protocol and interpret the return values as part of an AJAX framework SWCLOS A semantic Web processor using Lisp SWI-Prolog SWI-Prolog is a comprehensive Prolog environment, which also includes an RDF Triple store. There is also a separate Prolog library to handle OWL Swish Swish is a framework for performing deductions in RDF. It has similar features to CWM. It is written for Haskell developers Swoogle A semantic Web search engine with 1.5 M resources SWOOP A lightweight ontology editor TopBraid Composer Top Quandrant’s TopBraid Composer is a complete standards-based platform for developing, testing and maintaining Semantic Web applications Tucana Suite Northrop Grumman’s Tucana Suite is an industrial quality version of the Kowari metastore Turtle Terse RDF “Triple” language Visualisations for the CS AKTive Portal Maps are used to geographically illustrate knowledge from the Triplestore, such as highlighting the locations in the UK that are active in a particular research area. VisuaText VisualText Ãƒâ€šÃ‚Â® is an integrated development environment for building information extraction systems, natural language processing systems, and text analyzers W3C’s RDF Validator W3C’s RDF Validator WebOnto WebOnto supports the browsing, creation and editing of ontologies through coarse grained and fine grained visualizations and direct manipulation. Wilbur Wilbur is lisp based toolkit for Semantic Web Programming. Wilbur is Nokia Research Center’s toolkit for programming Semantic Web applications that use RDF written in Common Lisp WSMO Studio A semantic Web service editor compliant with WSMO as a set of Eclipse plug-ins WSMT Toolkit The Web Service Modeling Toolkit (WSMT) is a collection of tools for use with the Web Service Modeling Ontology (WSMO), the Web Service Modeling Language (WSML) and the Web Service Execution Environment (WSMX) WSMX Execution environment for dynamic use of semantic Web services XML Army Knife XML Army Knife XMP A labeling technology from Adobe that enables data about a file to be embedded as metadata into the file itself. YARS YARS (Yet Another RDF Store) is a data store for RDF in Java and allows for querying RDF based on a declarative query language, which offers a somewhat higher abstraction layer than the APIs of RDF toolkits such as Jena or Redland Zotero Firefox add-in (in development) that allows the auto-completion of online citations
Sweet Tools
AKT (Advanced Knowledge Technologies) project
ANNIE – Open Source Information Extraction
Automatic Support for Enterprise Modelling and Workflow
COHSE – Conceptual Open Hypermedia Services Environment
D3E – Digital Document Discourse Environment
GATE – General Architecture for Text Engineering