Revisiting Document Length Hypotheses: A Comparative Study of Japanese Newspaper and Patent Retrieval.
Sumio FujitaPublished in: ACM Trans. Asian Lang. Inf. Process. (2005)
Keyphrases
- patent retrieval
- document length
- test collection
- language model
- information retrieval
- retrieval systems
- query expansion
- clef ip
- language modeling
- retrieval model
- retrieved documents
- retrieval effectiveness
- prior art
- relevant documents
- smoothing methods
- patent documents
- query translation
- scoring function
- information retrieval systems
- pseudo relevance feedback
- term weighting
- text retrieval
- document retrieval
- average precision
- document collections
- evaluation measures
- intellectual property
- machine learning
- probabilistic model
- n gram
- query terms
- vector space model
- cross lingual
- precision and recall
- search engine