A Concept Language Model for Ad-hoc Retrieval.
Bin ZouVasileios LamposShangsong LiangZhaochun RenEmine YilmazIngemar J. CoxPublished in: WWW (Companion Volume) (2017)
Keyphrases
- language model
- ad hoc retrieval
- language modelling
- query expansion
- relevance model
- pseudo relevance feedback
- test collection
- language modeling
- ad hoc information retrieval
- okapi bm
- document retrieval
- information retrieval
- n gram
- probabilistic model
- retrieval model
- document collections
- retrieval effectiveness
- multiword
- data fusion
- query terms
- query specific
- retrieval process
- link structure
- web search
- context sensitive
- vector space model
- context dependent
- document representation
- retrieval systems