224 search results - page 20 / 45 » Semi-parametric and Non-parametric Term Weighting for Inform... |
SIGIR
2005
ACM
14 years 1 months ago
2005
ACM
This paper proposes GBM (gravitation-based model), a physical model for information retrieval inspired by Newton’s theory of gravitation. A mapping is built in this model from c...
CIVR
2004
Springer
14 years 1 months ago
2004
Springer
Most image retrieval systems only allow a fragment of text or an example image as a query. Most users have more complex information needs that are not easily expressed in either of...
WWW
2008
ACM
14 years 8 months ago
2008
ACM
We propose a hybridization of collaborative filtering and content based recommendation system. Attributes used for content based recommendations are assigned weights depending on ...
TREC
1998
13 years 9 months ago
1998
This paper presents work done at Cambridge University, on the TREC7 Spoken Document Retrieval (SDR) Track. The broadcast news audio was transcribed using a 2-pass gender-dependent...
SIGIR
2009
ACM
14 years 2 months ago
2009
ACM
Recent work in supervised learning of term-based retrieval models has shown significantly improved accuracy can often be achieved via better model estimation [2, 10, 11, 17]. In ...