Task 1: Multilingual question answering over linked data

Full description: qald-4.pdf (Last updated: April 1, 2014)

Dataset

• DBpedia 3.9 with multilingual labels

SPARQL endpoint

We do not maintain a SPARQL endpoint once the challenge is finished. Please load DBpedia 3.9 into a local triple store.

Training data

The training data comprises 200 natural language questions over English DBpedia, annotated with keywords as well as corresponding SPARQL queries and the answers that these queries retrieve. The questions are of different complexity and are available in seven languages: English, Spanish, German, Italian, French, Dutch, and Romanian.

• qald-4_multilingual_train.xml
• qald-4_multilingual_train_withanswers.xml

Test data

• qald-4_multilingual_test_questions.xml
• qald-4_multilingual_test.xml (with SPARQL queries)
• qald-4_multilingual_test_withanswers.xml (with SPARQL queries and answers)

Evaluation results: qald-4_results.pdf