812 search results - page 94 / 163 » The Challenge of Creative Information Retrieval |
SIGIR
2011
ACM
12 years 12 months ago
2011
ACM
Pseudo-relevance feedback has proven effective for improving the average retrieval performance. Unfortunately, many experiments have shown that although pseudo-relevance feedback...
BMCBI
2007
13 years 9 months ago
2007
Background: Microarray technologies have evolved rapidly, enabling biologists to quantify genome-wide levels of gene expression, alternative splicing, and sequence variations for ...
ICIP
2009
IEEE
2009
IEEE
Localized Null Space Representation For Dynamic Updating And Downdating In Image And Video Databases
14 years 10 months ago
Event/object classification and recognition is an extremely challenging problem, particularly when the query or stored data undergo an affine transformation due to camera motion. ...
WWW
2008
ACM
14 years 9 months ago
2008
ACM
Name ambiguity problem has been a challenging issue for a long history. In this paper, we intend to make a thorough investigation of the whole problem. Specifically, we formalize ...
SIGMOD
2009
ACM
14 years 9 months ago
2009
ACM
Empowering users to access databases using simple keywords can relieve the users from the steep learning curve of mastering a structured query language and understanding complex a...