Papers query1

Give me an overview of the tools, including programming language, developer, download URL, documentation URL, Data Catalogue and Platform, addressing the problem of ``\textit{SPARQL Query Federation} along with the articles describing them.

Results

Paper	Tool/Ontology	programming language	Year	vendor	Venue	GUI	Data Catalouge	Platform	Downloadpage
Querying Distributed RDF Data Sources with SPARQL	DARQ	Java	2008	Open Source	ESWC	No	Service Description	Jena	http://darq.sf.net/
A Semantic Web Middleware for Virtual Data Integration on the Web	SemWIQ	Java	2008	Open source	ESWC	Yes	RDF stats + VoID	Jena	https://sourceforge.net/projects/semwiq/
Querying the Web of Data with Graph Theory-based Techniques	GDS	Java	2006	-	Web and Internet Science	No	Service Description	Jena	http://code.google.com/p/gdsparal/
SPLENDID: SPARQL Endpoint Federation Exploiting VOID Descriptions	SPLENDID	Java	2011	Open source	COLD	No	VoID	Sesame	https://github.com/semagrow/fork-splendid-server
ANAPSID: An Adaptive Query Processing Engine for SPARQL Endpoints	ANAPSID	Python 2.6.5	2011	-	ISWC	Yes	Predicate list and endpoint status	ANAPSID	https://github.com/anapsid/anapsid
Adaptive Integration of Distributed Semantic Web Data	ADERIS	Java	2010	No data available now.	DNIS	Yes	Predicate List during setup phase	-	http://No data available now.
Avalanche: Putting the Spirit of the Web back into Semantic Web Querying	Avalanche	-	2010	-	ISWC	No	Search Engine	Avalanche	http://-
Optimizing SPARQL Queries over Disparate RDF Data Sources through Distributed Semi-joins	Distributed SPARQL	Java	2008	No data available now.	ISWC	No	-	Sesame	http://No data available now.
FedX: Optimization Techniques for Federated Query Processing on Linked Data	FedX	Java	2011	No data available now.	ISWC	Yes	-	Sesame	http://www.uidops.com/FedX
Querying the Web of Interlinked Datasets using VOID Descriptions	WoDQA	Java	2012	Open source	LDOW	Yes	VoID stores	Jena	https://sourceforge.net/projects/wodqa/&action=edit&redlink=1

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