Some Experiments with Blind Feedback and Re-ranking for Chinese Information Retrieval.
Yun XiaoRobert W. P. LukKam-Fai WongKui-Lam KwokPublished in: NTCIR (2005)
Keyphrases
- blind feedback
- document retrieval
- information retrieval
- ranking scheme
- learning to rank
- ranking functions
- query expansion
- term selection
- search engine
- xml retrieval
- evaluation measures
- language model
- ranking algorithm
- document collections
- information retrieval systems
- tf idf
- ranking models
- retrieved documents
- retrieval model
- average precision
- retrieval strategies
- ad hoc retrieval
- relevant documents
- language modeling
- retrieval systems
- text categorization
- test collection
- web search
- document length
- relevance feedback
- text summarization
- text retrieval
- indexing scheme
- machine learning
- pseudo relevance feedback
- retrieval effectiveness
- text classification
- text mining
- link analysis
- question answering
- information extraction
- latent semantic indexing
- digital libraries
- query terms
- selection mechanism
- web documents