929 search results - page 144 / 186 » Answering imprecise database queries: a novel approach |
112
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PODS
2003
ACM
15 years 12 months ago
2003
ACM
The sliding window model is useful for discounting stale data in data stream applications. In this model, data elements arrive continually and only the most recent N elements are ...
VLDB
2007
ACM
15 years 6 months ago
2007
ACM
Uncertain data are inherent in some important applications. Although a considerable amount of research has been dedicated to modeling uncertain data and answering some types of qu...
VLDB
2004
ACM
15 years 5 months ago
2004
ACM
Focused web crawlers have recently emerged as an alternative to the well-established web search engines. While the well-known focused crawlers retrieve relevant webpages, there ar...
109
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GIS
2009
ACM
15 years 6 months ago
2009
ACM
In this paper, we formalize the novel concept of Constrained Reverse k-Nearest Neighbor (CRkNN) search on mobile objects (clients) performed at a central server. The CRkNN query c...
139
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BTW
2009
Springer
15 years 28 days ago
2009
Springer
Abstract: Multimedia databases are increasingly common in science, business, entertainment and many other applications. Their size and high dimensionality of features are major cha...