The Use of Dependency Relation Graph to Enhance the Term Weighting in Question Retrieval.
Weinan ZhangZhaoyan MingYu ZhangLiqiang NieTing LiuTat-Seng ChuaPublished in: COLING (2012)
Keyphrases
- term weighting
- dependency relations
- retrieval systems
- information retrieval
- text retrieval
- text categorization
- tf idf
- term frequency
- language modeling
- inverse document frequency
- term weights
- retrieval model
- query terms
- information retrieval systems
- vector space model
- test collection
- average precision
- query expansion
- retrieval effectiveness
- similarity measure
- multimedia
- semantic relations
- language model
- document collections