Using Dempster-Shafer's Evidence Theory for Query Expansion Based on Freebase Knowledge.
Dazhao PanPeng ZhangJingfei LiDawei SongJi-Rong WenYuexian HouBin HuYuan JiaAnne N. De RoeckPublished in: AIRS (2013)
Keyphrases
- query expansion
- dempster shafer
- evidence theory
- information retrieval systems
- retrieval effectiveness
- belief functions
- relevance feedback
- text retrieval
- relevant documents
- language model
- information retrieval
- original query
- pseudo relevance feedback
- knowledge base
- query terms
- automatic query expansion
- expert systems
- genetic algorithm
- multi sensor
- case based reasoning
- retrieved documents
- retrieval model
- data fusion
- dempster shafer theory
- learning algorithm