Revisiting Document Length Hypotheses: NTCIR-4 CLIR and Patent Experiments at Patolis.
Sumio FujitaPublished in: NTCIR (2004)
Keyphrases
- document length
- patent retrieval
- test collection
- language model
- query translation
- information retrieval
- retrieval systems
- query expansion
- cross language information retrieval
- language modeling
- retrieval effectiveness
- retrieved documents
- web retrieval
- pseudo relevance feedback
- term weights
- relevant documents
- retrieval model
- term weighting
- query terms
- average precision
- english chinese
- information retrieval systems
- cross lingual information retrieval
- prior art
- n gram
- document collections
- relevance judgments
- smoothing methods
- document retrieval
- cross lingual
- scoring function
- relevance assessments
- search engine
- learning to rank
- cross language
- evaluation measures
- context sensitive
- text retrieval
- relevance feedback
- information extraction
- probabilistic model
- vector space model
- active learning