How Do Named Entities Contribute to Retrieval Effectiveness?
Thomas MandlChrista Womser-HackerPublished in: CLEF (2004)
Keyphrases
- retrieval effectiveness
- named entities
- information retrieval systems
- test collection
- information extraction
- named entity recognition
- co occurrence
- information retrieval
- query expansion
- retrieval model
- named entity extraction
- natural language processing
- pseudo relevance feedback
- query terms
- text mining
- text documents
- question answering
- relevant documents
- unsupervised learning
- relevance feedback
- entity ranking
- language model
- training set
- text retrieval
- bayesian networks
- decision trees
- artificial intelligence