152 search results - page 5 / 31 » Enhancing Relevance Models with Adaptive Passage Retrieval |
CIKM
2009
Springer
14 years 5 months ago
2009
Springer
Relevance Feedback has proven very effective for improving retrieval accuracy. A difficult yet important problem in all relevance feedback methods is how to optimally balance the...
JMM
2007
13 years 10 months ago
2007
In this paper, we combine the use of Reduced Feature Vector Integration (RFI) and Distance Integration (DI) with Relevance Feedback (RF) on 3D model similarity retrieval. The RFI ...
MM
2004
ACM
14 years 4 months ago
2004
ACM
Subspace learning techniques are widespread in pattern recognition research. They include Principal Component Analysis (PCA), Locality Preserving Projection (LPP), etc. These tech...
SIGIR
2008
ACM
13 years 10 months ago
2008
ACM
We describe a method for applying parsimonious language models to re-estimate the term probabilities assigned by relevance models. We apply our method to six topic sets from test ...
TREC
2004
14 years 16 hour ago
2004
In the robust track, we mainly tested our passage-based retrieval model with different passage sizes and weighting schemes. In our approach, we used two retrieval models, namely t...