TALP-QA System at TREC 2004: Structural and Hierarchical Relaxation Over Semantic Constraints.
Daniel FerrésSamir KanaanEdgar GonzálezAlicia AgenoHoracio RodríguezMihai SurdeanuJordi TurmoPublished in: TREC (2004)
Keyphrases
- semantic constraints
- question answering
- semantic knowledge
- semantic representation
- information retrieval
- information extraction
- knowledge sources
- noun phrases
- retrieval effectiveness
- test collection
- databases
- relational schema
- natural language
- database
- named entities
- natural language processing
- relation extraction
- relevance feedback
- fuzzy relations
- machine learning