A Study of Smoothing Methods for Language Models Applied to Ad Hoc Information Retrieval.
Chengxiang ZhaiJohn D. LaffertyPublished in: SIGIR Forum (2017)
Keyphrases
- language model
- ad hoc information retrieval
- smoothing methods
- language modeling
- n gram
- probabilistic model
- information retrieval
- language modeling approaches
- retrieval model
- document retrieval
- language modelling
- document length
- query expansion
- language models for information retrieval
- test collection
- query specific
- query terms
- document representation
- relevance model
- active learning