1824 search results - page 59 / 365 » Estimating query performance using class predictions |
ECIR
2009
Springer
14 years 6 months ago
2009
Springer
Abstract. We present a new learning to rank framework for estimating context-sensitive term weights without use of feedback. Specifically, knowledge of effective term weights on ...
BIBE
2007
IEEE
14 years 25 days ago
2007
IEEE
Machine learning approaches offer some of the most cost-effective approaches to building predictive models (e.g., classifiers) in a broad range of applications in computational bio...
CVPR
2004
IEEE
14 years 17 days ago
2004
IEEE
This paper presents a parts-based method for classifying scenes of 3D objects into a set of pre-determined object classes. Working at the part level, as opposed to the whole objec...
SIGMOD
2004
ACM
14 years 9 months ago
2004
ACM
XML is widely praised for its flexibility in allowing repeated and missing sub-elements. However, this flexibility makes it challenging to develop a bulk algebra, which typically ...
ICEIS
2003
IEEE
14 years 2 months ago
2003
IEEE
: Horizontal fragments of a class in an object-oriented database system contain subsets of the class extent or instance objects. These fragments are created with a set of system in...