Search Results for "sparql query"
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Showing 28 open source projects for "sparql query"
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ontop
a platform to query DBs as Virtual RDF Graphs using SPARQL
-ontop- is a platform to query databases as Virtual RDF Graphs using SPARQL. It's extremely fast and is packed with features. -
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Graph Notebook
Library extending Jupyter notebooks to integrate with Apache TinkerPop
The graph notebook provides an easy way to interact with graph databases using Jupyter notebooks. Using this open-source Python package, you can connect to any graph database that supports the Apache TinkerPop, openCypher or the RDF SPARQL graph models. These databases could be running locally on your desktop or in the cloud. Graph databases can be used to explore a variety of use cases including knowledge graphs and identity graphs. This project includes many examples of Jupyter notebooks.... -
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TemaTres: controlled vocabulary server
Manage, Publish and Share Ontologies, Taxonomies, Thesauri, Glossaries
Web application for management formal representations of knowledge, thesauri, taxonomies and multilingual vocabularies / Aplicación para la gestión de representaciones formales del conocimiento, tesauros, taxonomías, vocabularios multilingües. For the latest version of code: https://github.com/tematres/TemaTres-Vocabulary-Server -
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Jena is Java toolkit for developing semantic web applications based on W3C recommendations for RDF and OWL. It provides an RDF API; ARP, an RDF parser; SPARQL, the W3C RDF query language; an OWL API; and rule-based inference for RDFS and OWL. Jena is now an Apache project: http://jena.apache.org/
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SPARQL Query Benchmarker
A simple tool for testing SPARQL system performance and reliability
SPARQL Query Benchmarker is a simple to use tool (and API) for running any benchmark/testing you want to create against any HTTP accessible SPARQL system. -
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General availability of IMC Technologies ( http://www.imc.com.gr ) Linked Data module for Liferay, a leading open source portal. For more details refer to project files or http://79.129.39.210:2020/IMCTriplificationChallenge2009/
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OntoInterface
A java-based Web-server as an interface to the Jena
A java-based Web-server as an interface to the Jena library to query RDF ontologies with Sparql. Alas: Yet another SPARQL interface library. Provided with a GUI interface for testing and administration. RDF-content read from file-system. -
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Sesame
Java RDF Framework
...It is succeeded by the Eclipse RDF4J project, which can be found at GitHub and at http://www.rdf4j.org/. Sesame is a de-facto standard framework for processing RDF data. This includes parsing, scalable storage, reasoning and full SPARQL 1.1 query/update support. Sesame offers a fully modular toolkit and an easy-to-use Java API that can be connected to all leading RDF storage solutions. -
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dotNetRDF is a .Net Class Library for working with RDF and SPARQL programatically built with C# 3 for the .Net Framework 3.5/4.0/Silverlight 4 and WIndows Phone 7. It provides a simple object model for representing RDF, SPARQL Queries and Updates and understands all common RDF and SPARQL syntaxes. Extensive documentation is available on the website and support is available via the mailing lists.
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CliqueSquare
Distributed RDF Processing over Hadoop
CliqueSquare is a system for storing and querying large RDF graphs relying on Hadoop’s distributed file system (HDFS) and Hadoop’s MapReduce open-source implementation. It provides a novel partitioning and storage scheme that permits 1-level joins to be evaluated locally using efficient map-only joins. In addition, CliqueSquare is equipped with a unique optimization algorithm based on graphs and cliques capable of generating highly parallelizable flat query plans relying on n-ary equality joins. -
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A Windows GUI application for RDF. SWC is a client tool for a Sesame 2 RDF server or SPARQL endpoint, and can be used as a out-of-the-box local triplestore. It offers advanced SPARQL querying and handles Sesame server administrative tasks. This tool is no longer actively maintained as my priorities and interests have shifted away from .Net development. If you are interested in taking over, drop me a line.
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BitMat
BitMat for RDF and SPARQL processing
BitMat for RDF storage and join query processing and is now maintained on GitHub if you want to fork the repository and contribute. Please get it from here https://github.com/mdatre/BitMat For more information please see: https://sites.google.com/view/medhaatre/ -
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C++ Semantic Web Objects library: Turtle parser. SPARQL compiler. Rule-based query transformer. SQL serializer. Query federater Tutorials 2010: http://www.w3.org/2010/Talks/1208-egp-swobjects/ 2011: https://sites.google.com/site/swobjectstutorial/documentation
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ReSPARQL - RecSPARQL
SPARQL extension for recommendations
SPARQL, a declarative query language for querying RDF-graphs, supports retrieval of data exclusively based on facts; in contrast Recommender Systems aim to predict the taste of a user towards a set of not consumed items. However, predictions or suggestions are entities that cannot be explicitly retrieved. ReSPARQL is an extension of SPARQL that fills the gap between this two paradigms and enables a generic and flexible approach for recommendations over arbitrary RDF-graphs. ... -
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SPARQL Endpoint interface to Python
This project has been moved to http://rdflib.github.io/sparqlwrapper/
A library to allow query a SPARQL end-point in Python -
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OWL2Query is a an OWL2 query and meta-query engine for SPARQL-DL^NOT queries with high expressivity, integration to OWLAPI (and thus Protege) and fancy visualization
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Swertia
Semantic Web Entailment Regime Translation and Inference Architecture
...The goal is to provide reasoning support for all major Semantic Web reasoning standards, including RDF(S), OWL 2 (Direct Semantics, RDF-Based Semantics, OWL 2 RL/RDF rules), SWRL, RIF (RIF BLD, RIF Core, RIF+RDF and RIF+OWL combinations), and Common Logic. Available reasoning methods are entailment checking, consistency checking and query answering in the form of SPARQL entailment regimes. Internally, Swertia does not provide any reasoning capabilities itself but provides all necessary means to enable the use of existing reasoners to perform reasoning in the supported Semantic Web standards. The majority of FOL reasoners is supported, as well as Semantic Web reasoners for the building hybrid reasoning systems. -
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SemaRule Navigator is an Integrated Suite of Open-Source and Free-License Software, placing Semantic and Text Analysis Technologies in the toolbox of Researchers, Students, and Enterprises.
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it enable any domain's expert to create/modify an ontology for this domain. This application provides a lot of features such as creating or editing ontology, running query on ontology using SPARQL, visualization ... etc.
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Dismed, DIstributed Semantic MEDiator, is a software mediator application, to integrate several heterogeneous data repositories at semantic level. In addition it provides an SPARQL query endpoint.
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A micro triple store that focuses on being lightweight and simple to use and deploy. Supports 1 million triples and SPARQL query execution times under one second.
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DB2RDF is a a software tool that will convert data from relational data model to semantic data model (in the form of RDF and RDFS). A SPARQL endpoint for querying the converted data. For querying the semantic data, SPARQL query language is used.
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SPARQLViz is a plugin for IsaViz which provides the user with a SPARQL query interface. SPARQLViz is capable of creating (throug a wizard), validating and executing SPARQL queries. The result is visualized with respect to the original dataset.
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An implementation (parser/interpreter) of SPARQL, a query language for RDF data that is the current recommendation of the W3C. Allows easy cusomization of the language and plugs in to several popular RDF servers, like Sesame.
