507 search results - page 39 / 102 » Portfolio theory of information retrieval |
CIKM
2009
Springer
14 years 2 months ago
2009
Springer
Leveraging information from relevance assessments has been proposed as an effective means for improving retrieval. We introduce a novel language modeling method which uses inform...
TMC
2011
13 years 2 months ago
2011
Abstract—We study routing overhead due to location information collection and retrieval in mobile ad-hoc networks employing geographic routing with no hierarchy. We first provid...
WSDM
2010
ACM
14 years 5 months ago
2010
ACM
We describe an approach for multi-modal characterization of social media by combining text features (e.g. tags as a prominent example of short, unstructured text labels) with spat...
KDD
2003
ACM
14 years 8 months ago
2003
ACM
A commercial Web page typically contains many information blocks. Apart from the main content blocks, it usually has such blocks as navigation panels, copyright and privacy notice...
SIGIR
2004
ACM
14 years 1 months ago
2004
ACM
Information filtering has made considerable progress in recent years.The predominant approaches are content-based methods and collaborative methods. Researchers have largely conc...