507 search results - page 63 / 102 » Portfolio theory of information retrieval |
KDD
2009
ACM
14 years 8 months ago
2009
ACM
User browsing information, particularly their non-search related activity, reveals important contextual information on the preferences and the intent of web users. In this paper, ...
INFOCOM
2012
IEEE
11 years 10 months ago
2012
IEEE
—Traditional approaches for wireless sensor network diagnosis are mainly sink-based. They actively collect global evidences from sensor nodes to the sink so as to conduct central...
IM
2007
13 years 7 months ago
2007
PageRank is a popularity measure designed by Google to rank Web pages. Experiments confirm that PageRank values obey a power law with the same exponent as In-Degree values. This ...
HT
2009
ACM
14 years 2 months ago
2009
ACM
Folksonomies provide a rich source of data to study social patterns taking place on the World Wide Web. Here we study the temporal patterns of users’ tagging activity. We show t...
CIKM
2003
Springer
14 years 27 days ago
2003
Springer
Prior research into search system scalability has primarily addressed query processing efficiency [1, 2, 3] or indexing efficiency [3], or has presented some arbitrary system arch...