The TALP-QA System for Spanish at CLEF 2004: Structural and Hierarchical Relaxing of Semantic Constraints.
Daniel FerrésSamir KanaanAlicia AgenoEdgar GonzálezHoracio RodríguezMihai SurdeanuJordi TurmoPublished in: CLEF (2004)
Keyphrases
- question answering
- semantic constraints
- qa clef
- semantic representation
- semantic knowledge
- cross language
- natural language
- information extraction
- named entities
- natural language processing
- information retrieval
- noun phrases
- answer extraction
- knowledge sources
- relation extraction
- language model
- databases
- relational schema