Ontology-Based Spatial Query Expansion in Information Retrieval.
Gaihua FuChristopher B. JonesAlia I. AbdelmotyPublished in: OTM Conferences (2) (2005)
Keyphrases
- query expansion
- information retrieval
- information retrieval systems
- retrieval effectiveness
- language modeling
- relevant documents
- language model
- text retrieval
- ad hoc retrieval
- relevance feedback
- retrieval model
- pseudo relevance feedback
- automatic query expansion
- query terms
- query expansion methods
- original query
- biomedical information retrieval
- model for information retrieval
- search engine
- information extraction
- term selection
- query disambiguation
- vocabulary mismatch
- language modeling framework
- average precision
- vector space model
- document retrieval
- retrieval systems
- tf idf
- passage retrieval
- web pages
- query specific
- patent retrieval
- machine learning
- training set
- test collection
- question answering
- document collections
- text mining