[[PageOutline]] = Stores = * 35 Database/datastores and 5 SPARQL tools listed at http://www.semantic-web.at/30.9917.semantic-web-tools.htm == Existing storage == * Triple stores * [http://virtuoso.openlinksw.com/dataspace/dav/wiki/Main/ Virtuoso Semantic Web Tools] * [http://4store.org/ 4store] * [http://dl.dropbox.com/u/152468/4store-1.0.2.dmg Mac OS X 10.6 Mach-O 64-bit executable x86_64 package] * !AllegroGraph * [http://www.openrdf.org/ Sesame] * [http://jena.sourceforge.net/ Jena] * [http://librdf.org Redland] * [http://mulgara.org Mulgara] * [http://sourceforge.net/projects/bigdata/ bigdata] * ORACLE * : * RDB, NoSQL, KVS (Key-value store) ? * [http://1978th.net/tokyocabinet/index.html TokyoCabinet] * [http://couchdb.apache.org/ CouchDB] == Query interfaces == * SPARQL * [http://relfinder.semanticweb.org/ RelFinder] * [http://www.sheaflight.com/browser/ Sheaflight] * [http://visinav.deri.org/ VisiNav] * [http://www.simile-widgets.org/exhibit SIMILE/Exhibit] * SPARQL endpoints * [http://www.freebase.com/view/user/bio2rdf/public/sparql SPARQL endpoint provided by Bio2RDF] * http://atlas.bio2rdf.org/sparql * http://beta.dbcls.jp/virtuoso/sparql == Evaluation == * Scale? * Speed * Interface