2067 search results - page 139 / 414 » Modeling and exploiting query interactions in database syste... |
192
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CBMS
2002
IEEE
15 years 10 months ago
2002
IEEE
The need for systems that can stock, represent, and provide efficient retrieval facilities of images of particular interest is becoming very high in medicine. In this respect, a l...
153
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SIGMOD
2004
ACM
16 years 5 months ago
2004
ACM
Cardinality estimation during query optimization relies on simplifying assumptions that usually do not hold in practice. To diminish the impact of inaccurate estimates during opti...
157
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WWW
2003
ACM
16 years 5 months ago
2003
ACM
This paper presents the notion of Semantic Associations as complex relationships between resource entities. These relationships capture both a connectivity of entities as well as ...
221
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ICDE
2011
IEEE
14 years 8 months ago
2011
IEEE
— Array database systems are architected for scientific and engineering applications. In these applications, the value of a cell is often imprecise and uncertain. There are at le...
147
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EDBT
2004
ACM
15 years 10 months ago
2004
ACM
Abstract. We present a cost-based adaptive clustering method to improve average performance of spatial queries (intersection, containment, enclosure queries) over large collections...