Introducing Query Expansion Methods for Collaborative Information Retrieval.
Armin HustPublished in: Reading and Learning (2004)
Keyphrases
- query expansion methods
- information retrieval
- query expansion
- information retrieval systems
- automatic query expansion
- text retrieval
- language model
- spoken document retrieval
- search engine
- expansion terms
- language modeling
- retrieval effectiveness
- information extraction
- document retrieval
- relevant documents
- vector space model
- document collections
- retrieval model
- retrieval systems
- learning to rank
- tf idf
- ad hoc retrieval
- text mining
- query terms
- information seeking
- user queries
- original query
- hidden markov models