see also: SPARQL
Currently Alive SPARQL Endpoints
(alphabetical. let's avoid PoorMansHypertext and in-your-face URLs, please)
Project |
status |
SPARQL endpoint |
Webform |
comment |
data exposed |
(2009-04-04) 404 |
n/a |
uses KAON2 |
AIFB portal content, people, publications, live export |
||
alive |
n/a |
uses OpenLink Virtuoso |
Semantic web atlas of post-genomic knowledge about human and mouse. 27 biology-, gene- and medical-related data sets (altogether 2.3 billion triples, served up by Virtuoso instances), each with its own SPARQL endpoint. |
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alive |
BioGateway provides many parameterizable SPARQL queries, both biological as ontological, on RDF graphs that were optimized for querying. The graphs have relational closures. Empowered by OpenLink Virtuoso. |
OBO ontologies, Gene Ontology Annotations (GOA), SwissProt Uniprot, NCBI taxonomy, Cell Cycle Ontology (CCO), BioMetarel |
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BBC Backstage (HP Labs) |
(2009-04-04) port unreachable |
uses joseki 3 |
BBC schedule information for next week (all channels) |
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BBC John Peel sessions from DBTune (Centre for Digital Music, Queen Mary, University of London) |
alive |
n/a |
dbtune aims to gather and interlink music-related information. |
BBC John Peel sessions data released during Hackday, 2007 |
|
BBC playcount data from DBTune (Centre for Digital Music, Queen Mary, University of London) |
alive |
n/a |
dbtune aims to gather and interlink music-related information. |
links BBC Programmes linked data and Musicbrainz linked data |
|
down 2009-04-04 |
|
a D2R endpoint |
dailymed.nlm.nih.gov provides information about approved prescription drugs, includes FDA approved labels (package inserts) |
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DBLP Bibliography Database published through D2R Server (Freie Universität Berlin) |
alive |
The DBLP database provides bibliographic information on major computer science journals and conference proceedings. |
The database contains more than 800.000 articles and 400.000 authors. The complete RDF view on the database consists of approximately 10 million RDF triples. |
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DBpedia (Freie Universität Berlin, Universität Leipzig, OpenLink Software) |
alive |
dbpedia.org is a community effort to extract structured information from Wikipedia and to make this information available on the Web. It is served to the public via a live instance of OpenLink Virtuoso |
Resources that represent 1.6M Wikipedia articles, with multilingual titles and abstracts, thumbnail images, SKOS categories, and miscellaneous extracted data. Currently around 25 million triples. |
||
down 2009-04-04 |
|
a D2R endpoint |
Diseasome describes characteristics of disorders and disease genes linked by known disorder–gene associations |
||
alive |
This is a highly experimental TurboGears with rdflib triplestore (mysql) SPARQL endpoint. |
Tens of thousands of DOAP (Description of a Project) profiles. |
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down 2009-04-04 |
|
a D2R endpoint |
Drugbank.ca provides drug (i.e., chemical, pharmacological and pharmaceutical) data with comprehensive drug target (i.e., sequence, structure, and pathway) information |
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alive |
n/a |
Derived from data published by flyatlas.org. |
Quick answer to the question: in which tissue(s) is my gene of interest expressed/enriched in the a/d/u/l/t (extra solidi added to get around wiki administrative objections) fly? from 2 RDF dumps — FlyAtlas data and Affy D2 probe-to-gene |
||
alive |
n/a |
derived from data published by fly-ted.org |
metadata on images depicting in situ hybridisation in D. melanogaster testes |
||
alive |
Microscopy images showing gene expression patterns during fruitfly embryogenesis, tied to an anatomical ontology |
genes, expression events, annotations to classes in fly_anatomy ontology, JPEG images |
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alive |
a D2RQ wrapper for the Gene Ontology Database (demo) |
gene product annotations to GO processes, functions and subcellular components |
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Henry from DBTune (Centre for Digital Music, Queen Mary, University of London) |
alive |
n/a |
dbtune aims to gather and interlink music-related information. |
Interprets signal processing workflows and provides on-demand content-based data |
|
alive |
An RDF server front-ended by the Atom publishing protocol |
Atom entries |
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Jamendo from DBTune (Centre for Digital Music, Queen Mary, University of London) |
alive |
n/a |
dbtune aims to gather and interlink music-related information. |
data from the Jamendo website |
|
down 2009-04-04 |
|
a D2R endpoint |
Linked data source of trials from ClinicalTrials.gov |
||
alive |
n/a |
based on D2R Server |
Movie-related data with focus on interlinks to other movie-related data sources |
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Magnatune from DBTune (Centre for Digital Music, Queen Mary, University of London) |
alive |
n/a |
dbtune aims to gather and interlink music-related information. |
data from the Magnatune label |
|
Musicbrainz from DBTune (Centre for Digital Music, Queen Mary, University of London) |
alive |
n/a |
dbtune aims to gather and interlink music-related information. |
Musicbrainz data |
|
alive |
n/a |
myExperiment makes it really easy to find, use and share scientific workflows and other files, and to build communities. |
Scientific workflows |
||
alive |
OpenLink Virtuoso based |
|
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OpenLink Data Spaces (Live Demo Server) |
status |
supports Semantic Bank's HTTP API for populating RDF Database. create your own experimental account for SPARQL querying. project docs. |
Weblog, Wiki, Photo Gallery, Discussion, Feed Subscriptions (RSS 1.1, RSS 2.0, Atom), Bookmarks, Contact Networks etc.. as instance data for SIOC, FOAF, and Atom OWL Ontologies. |
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OpenLink Virtuoso (Basic Live Demo Server) |
alive |
supports Semantic Bank's HTTP API for populating RDF Database. create your own experimental account for SPARQL querying. Also includes Named Graph Support — You can discover the different Graph URIs in the Quad Store via SELECT DISTINCT ?g WHERE { graph ?g { ?s ?p ?o } } , using the Web based SPARQL UI or Query Service Endpoints above. tutorials: executing SPARQL over SQL from PHP and other general purpose functionality demos. RDF and SPARQL specific docs. |
Numerous, e.g., <www2006_speakers>, <www2006_authors>, <semweb_bloggers>, etc. You can also pass RDF Graph URIs on the fly or even route to other SPARQL Query Services. |
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Project Gutenberg Metadata (Freie Universität Berlin) |
alive |
— |
Data on authors and literary works from Project Gutenberg |
||
alive |
|
uses SemWeb for .NET |
GovTrack.us (U.S. Congress), U.S. Census, U.S. SEC data |
||
alive 2006-11-29 |
n/a |
— |
user reviews of any resources/things, plus user tags |
||
alive 2008-12-16 |
Lots (~25) of different KBs, many focused on people, publications, research areas, projects. Replace * in wildcard URLs with data set names, e.g. NSF, Cordis, DBLP, CiteSeer, UNLocode, WordNet, etc.. |
Use Semantic Web Sitemaps and voiD descriptions to locate. Use the VoiD SPARQL endpoint to find the VoiD descriptions. |
|||
alive |
Using Sesame2 documentation |
Metadata about Semantic Web related conferences and workshops, including people and papers presented at eight major conferences and more than 50 workshops (and growing). |
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alive |
The SemanticWebSchool provides the latest information on issues about the SemanticWeb in form of it's d2r mapped press collection with glossary, wikilinks and so forth using the d2r-server and rss features. |
[Sparqling 5 years of semantic web evolution http://ablvienna.wordpress.com/2007/05/23/sparqling-5-years-of-semantic-web-evolution/] (blog post). |
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SPARQLer |
alive |
"any" — "general purpose SPARQL service" |
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Sparqlette |
alive |
n/a |
many options |
"any" |
|
Information about the Web-based Systems Group @ Freie Universität Berlin |
alive |
webform (Only Firefox) |
published through D2R Server |
Information about people, papers and projects |
|
voiD Data via RKBExplorer |
alive 2008-12-16 |
— |
VoiD descriptions of all the rkbexplorer.com sites. |
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W3C Spanish Office SPARQL Demo |
alive |
n/a |
page in Spanish |
W3C Spanish Office Press Releases, W3C Press releases |
|
Wiki.Ontoworld.org |
alive since 03.07.2006, experimental |
n/a |
— |
data from Ontoworld.org, synched via recent changes, ca ~30 seconds delay |
|
World Factbook (Freie Universität Berlin) |
alive |
— |
Country statistics from the CIA World Factbook |
||
alive |
Hosted in the Talis Platform |
Journal metadata from NLM and Highwire |
Buggy Endpoints
Project |
status |
SPARQL endpoint |
Webform |
comment |
data exposed |
alive, but returns results embedded in HTML as a table element, even when requesting application/xml |
n/a |
uses Pellet ? |
? |
||
returns not really a SPARQL HTTP binding response, but a webpage with embedded SPARQL result (as XMP-element) |
n/a |
uses RDF Gateway |
? |
Dead Endpoints
Project |
status |
SPARQL endpoint |
Webform |
comment |
data exposed |
2009-02-12 "Please note: The SPARQL Query Engine is currently offline." |
n/a |
based on Redland/Rasqal |
"The model is built from My Opera public data and consists of around 15 million triples." |
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dead until I have a bit of admin time -- DannyAyers |
[SPARQL endpoint] |
based on Redland/Python |
varies: FOAF, RSS, Atom/OWL, GTD |
Commentary
FWIW, MarkBaker didn't think this list will get very big in the long run. He seems to have been proven wrong, so this comment has been moved to the bottom....