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GIS
2006
ACM
16 years 7 months ago
Analyzing theme, space, and time: an ontology-based approach
The W3C's Semantic Web Activity is illustrating the use of semantics for information integration, search, and analysis. However, the majority of the work in this community ha...
Matthew Perry, Farshad Hakimpour, Amit P. Sheth
MIR
2004
ACM
110views Multimedia» more  MIR 2004»
15 years 11 months ago
Symbolic representation and retrieval of moving object trajectories
Searching moving object trajectories of video databases has been applied to many fields, such as video data analysis, content-based video retrieval, video scene classification. ...
Lei Chen 0002, M. Tamer Özsu, Vincent Oria
SIGIR
2010
ACM
15 years 10 months ago
Probabilistic latent maximal marginal relevance
Diversity has been heavily motivated in the information retrieval literature as an objective criterion for result sets in search and recommender systems. Perhaps one of the most w...
Shengbo Guo, Scott Sanner
CIKM
2006
Springer
15 years 10 months ago
Optimisation methods for ranking functions with multiple parameters
Optimising the parameters of ranking functions with respect to standard IR rank-dependent cost functions has eluded satisfactory analytical treatment. We build on recent advances ...
Michael J. Taylor, Hugo Zaragoza, Nick Craswell, S...
CIKM
2005
Springer
15 years 12 months ago
MailRank: using ranking for spam detection
Can we use social networks to combat spam? This paper investigates the feasibility of MailRank, a new email ranking and classification scheme exploiting the social communication ...
Paul-Alexandru Chirita, Jörg Diederich, Wolfg...