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IDEAS
2006
IEEE
15 years 3 months ago
2006
IEEE
This paper proposes techniques to query encrypted XML documents. Such a problem predominantly occurs in “Database as a Service” (DAS) architectures, where a client may outsour...
HT
2006
ACM
15 years 3 months ago
2006
ACM
We have developed a web-repository crawler that is used for reconstructing websites when backups are unavailable. Our crawler retrieves web resources from the Internet Archive, Go...
SIGIR
2006
ACM
15 years 3 months ago
2006
ACM
In this paper, we propose a new strategy with time granularity reasoning for utilizing temporal information in topic tracking. Compared with previous ones, our work has four disti...
SIGIR
2006
ACM
15 years 3 months ago
2006
ACM
Pseudo-relevance feedback has proven to be an effective strategy for improving retrieval accuracy in all retrieval models. However the performance of existing pseudo feedback meth...
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CVPR
2010
IEEE
15 years 3 months ago
2010
IEEE
Automatic categorization of videos in a Web-scale unconstrained collection such as YouTube is a challenging task. A key issue is how to build an effective training set in the pres...