224 search results - page 1 / 45 » Semi-parametric and Non-parametric Term Weighting for Inform... |
AIR
2005
13 years 4 months ago
2005
Term-weighting schemes are vital to the performance of Information Retrieval models that use term frequency characteristics to determine the relevance of a document. The vector spa...
DELOS
2001
13 years 6 months ago
2001
Personalisation in full text retrieval or full text filtering implies reweighting of the query terms based on some explicit or implicit feedback from the user. Relevance feedback i...
CIKM
1995
Springer
13 years 8 months ago
1995
Springer
IPM
2008
13 years 4 months ago
2008
This paper examines the estimation of global term weights (such as IDF) in information retrieval scenarios where a global view on the collection is not available. In particular, t...
ECIR
2007
Springer
13 years 6 months ago
2007
Springer
Question answering systems rely on retrieval components to identify documents that contain an answer to a user’s question. The formulation of queries that are used for retrieving...