Exploiting Thread Structures to Improve Smoothing of Language Models for Forum Post Retrieval.
Huizhong DuanChengxiang ZhaiPublished in: ECIR (2011)
Keyphrases
- smoothing methods
- language model
- post retrieval
- language modeling
- language models for information retrieval
- n gram
- probabilistic model
- language modeling approaches
- document retrieval
- test collection
- retrieval model
- statistical language modeling
- relevance model
- vector space model
- pseudo relevance feedback
- language modeling framework
- information retrieval
- retrieval effectiveness
- digital libraries