Query Expansion with Locally-Trained Word Embeddings.
Fernando DiazBhaskar MitraNick CraswellPublished in: ACL (1) (2016)
Keyphrases
- query expansion
- retrieval effectiveness
- information retrieval systems
- pseudo relevance feedback
- relevance feedback
- language model
- language modeling
- retrieval model
- relevant documents
- automatic query expansion
- text retrieval
- information retrieval
- improving search
- query disambiguation
- co occurrence
- query terms
- ad hoc retrieval
- n gram
- term frequency
- document level
- trec genomics track
- word segmentation
- original query
- noun phrases
- query translation
- word sense disambiguation
- sentence level
- ranked retrieval
- query expansion methods
- vector space
- training set
- term weighting
- average precision
- spoken document retrieval