Amharic Information Retrieval Based on Query Expansion Using Semantic Vocabulary.
Berihun GetnetYaregal AssabiePublished in: ICAST (1) (2020)
Keyphrases
- query expansion
- information retrieval
- pseudo relevance feedback
- information retrieval systems
- retrieval effectiveness
- spreading activation
- relevance feedback
- language model
- relevant documents
- retrieval model
- language modeling
- text retrieval
- vector space model
- term selection
- model for information retrieval
- query expansion methods
- ad hoc retrieval
- biomedical information retrieval
- natural language
- trec collections
- vocabulary mismatch
- semantic similarity
- original query
- retrieved documents
- search engine
- semantic information
- query terms
- document retrieval
- probabilistic retrieval model
- keywords
- document collections
- automatic query expansion
- retrieval systems
- semantic network
- passage retrieval
- tf idf
- average precision
- document ranking
- pseudo feedback
- relevance model
- information extraction
- query translation