UFRGS@CLEF2008: Indexing Multiword Expressions for Information Retrieval.
Otávio Costa AcostaAndré Pinto GeraldoViviane Moreira OrengoAline VillavicencioPublished in: CLEF (Working Notes) (2008)
Keyphrases
- information retrieval
- multiword
- language model
- context sensitive
- ad hoc retrieval
- query expansion
- test collection
- question answering
- language modeling
- information retrieval systems
- lexical units
- document retrieval
- text clustering
- information extraction
- text retrieval
- document collections
- n gram
- cross lingual
- relevant documents
- natural language
- search engine
- retrieval model
- text mining
- vector space model
- retrieval systems
- tf idf
- document representation
- part of speech
- semantic content
- relevance feedback
- bayesian networks