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ICDE
2006
IEEE
14 years 9 months ago
2006
IEEE
We introduce a new domain-independent framework for formulating and efficiently evaluating similarity queries over historical data, where given a history as a sequence of timestam...
ICDE
2005
IEEE
14 years 9 months ago
2005
IEEE
Semantic caching enables mobile clients to answer spatial queries locally by storing the query descriptions together with the results. However, it supports only a limited number o...
ICDE
2005
IEEE
14 years 9 months ago
2005
IEEE
Efficient one-pass computation of F0, the number of distinct elements in a data stream, is a fundamental problem arising in various contexts in databases and networking. We consid...
ICDE
2005
IEEE
14 years 9 months ago
2005
IEEE
Modern information systems often store data that has been transformed and integrated from a variety of sources. This integration may obscure the original source semantics of data ...
ICPR
2002
IEEE
14 years 9 months ago
2002
IEEE
We present a distributed, surveillance system that works in large and complex indoor environments. To track and recognize behaviors of people, we propose the use of the Hidden Mar...