The Ambiguity of Negation in Natural Language Queries to Information Retrieval Systems.
April R. McQuireCaroline M. EastmanPublished in: J. Am. Soc. Inf. Sci. (1998)
Keyphrases
- information retrieval systems
- natural language queries
- relevant documents
- structured queries
- natural language interface
- natural language
- query expansion
- conceptual graphs
- information retrieval
- retrieval effectiveness
- document collections
- retrieval systems
- search engine
- retrieval model
- relevance feedback
- user queries
- term dependencies
- keywords
- inverted file
- information access
- query terms
- retrieved documents
- search queries
- databases
- structured documents
- pseudo relevance feedback
- database systems
- language modeling
- ranked list
- learning algorithm
- relational databases
- test collection