13 search results - page 2 / 3 » Multi-Scale Histograms for Answering Queries over Time Serie... |
ICDE
2004
IEEE
14 years 6 months ago
2004
IEEE
We examine the problem of evaluating selection queries over imprecisely represented objects. Such objects are used either because they are much smaller in size than the precise on...
ICDE
2006
IEEE
14 years 6 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...
CIKM
2006
Springer
13 years 7 months ago
2006
Springer
Due to the resource limitation in the data stream environment, it has been reported that answering user queries according to the wavelet synopsis of a stream is an essential abili...
EDBT
2009
ACM
13 years 9 months ago
2009
ACM
In a database system, disclosure of confidential private data may occur if users can put together the answers of past queries. Traditional access control mechanisms cannot guard a...
VLDB
2001
ACM
14 years 5 months ago
2001
ACM
Approximate query processing has emerged as a costeffective approach for dealing with the huge data volumes and stringent response-time requirements of today's decision-suppo...