Coupling Named Entity Recognition, Vector-Space Model and Knowledge Bases for TREC 11 Question Answering Track.
Patrice BellotEric CrestanMarc El-BèzeLaurent GillardClaude de LoupyPublished in: TREC (2002)
Keyphrases
- question answering
- vector space model
- named entity recognition
- named entities
- information retrieval
- information extraction
- natural language processing
- knowledge base
- text summarization
- web documents
- wordnet
- semantic similarity
- relation extraction
- vector space
- retrieval model
- semantic information
- tf idf
- natural language
- language model
- document clustering
- knowledge representation
- text documents
- language modeling
- query expansion
- text mining
- search engine
- conditional random fields
- document retrieval
- semi supervised
- test collection
- maximum entropy
- semantic role labeling
- semantic relations
- expert systems
- machine learning
- document collections
- retrieval effectiveness
- retrieval systems
- multimedia
- information retrieval systems
- artificial intelligence