Open Challenge

To facilitate the comparison between different approaches and systems, the workshop was preceded by an open challenge in question answering on DBpedia 3.6 and MusicBrainz.

qald-1-challenge.pdf (last updated: March 28, 2011)

Datasets

DBpedia:

• http://downloads.dbpedia.org/3.6/en
• http://downloads.dbpedia.org/3.6/links

MusicBrainz (RDF export):

• musicbrainz.tgz (126.4 MB)

Questions

Training questions:

• dbpedia-train.xml (HTML encoding)
  dbpedia-train-CDATA.xml (CDATA encoding, not up-to-date)
• musicbrainz-train.xml (HTML encoding)
  musicbrainz-train-CDATA.xml (CDATA encoding)

Test questions without annotations:

• dbpedia-test-questions.xml
• musicbrainz-test-questions.xml

Test questions with annotations:

• dbpedia-test.xml
• musicbrainz-test.xml

Evaluation

Evaluation results (test phase)