929 search results - page 136 / 186 » Answering imprecise database queries: a novel approach |
130
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DNIS
2007
Springer
15 years 3 months ago
2007
Springer
Abstract. This work proposes LEASE, a novel Mobile-P2P lease-based economic incentive model, in which data requestors need to pay the price (in virtual currency) of their requested...
115
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SIGMOD
2010
ACM
15 years 4 months ago
2010
ACM
Applications ranging from location-based services to multi-player online gaming require continuous query support to monitor, track, and detect events of interest among sets of mov...
184
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ICDE
2005
IEEE
16 years 1 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...
112
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SIGMOD
2003
ACM
15 years 12 months ago
2003
ACM
The W3C XQuery language recommendation, based on a hierarchical and ordered document model, supports a wide variety of constructs and use cases. There is a diversity of approaches...
EDBT
2006
ACM
15 years 12 months ago
2006
ACM
Current methods for selectivity estimation fall into two broad categories, synopsis-based and sampling-based. Synopsis-based methods, such as histograms, incur minimal overhead at ...