335 search results - page 36 / 67 » A sampling approach for XML query selectivity estimation |
SIGIR
2006
ACM
14 years 1 months ago
2006
ACM
Modern distributed information retrieval techniques require accurate knowledge of collection size. In non-cooperative environments, where detailed collection statistics are not av...
TMM
2010
13 years 2 months ago
2010
This paper introduces a video copy detection system which efficiently matches individual frames and then verifies their spatio-temporal consistency. The approach for matching frame...
CIVR
2007
Springer
14 years 1 months ago
2007
Springer
The vast majority of the features used in today’s commercially deployed image search systems employ techniques that are largely indistinguishable from text-document search – t...
ECML
2007
Springer
14 years 1 months ago
2007
Springer
Abstract. Active Learning methods rely on static strategies for sampling unlabeled point(s). These strategies range from uncertainty sampling and density estimation to multi-factor...
GLOBECOM
2009
IEEE
14 years 2 months ago
2009
IEEE
— In this paper, we study the anonymous cardinality estimation problem in radio frequency identification (RFID) systems. To preserve privacy and anonymity, each tag only transmi...