792 search results - page 38 / 159 » Computing Iceberg Queries Efficiently |
158
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ICDE
2001
IEEE
15 years 11 months ago
2001
IEEE
Due to the ubiquity and popularity of XML, users often are in the following situation: they want to query XML documents which contain potentially interesting information but they ...
101
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SIGMOD
2004
ACM
15 years 10 months ago
2004
ACM
Existing SQL aggregate functions present important limitations to compute percentages. This article proposes two SQL aggregate functions to compute percentages addressing such lim...
DCOSS
2007
Springer
15 years 1 months ago
2007
Springer
Sensor networks are often used to sense the physical world and provide observations for various uses. In hostile environments, it is critical to control the network access to ensur...
TKDE
2002
14 years 9 months ago
2002
A join-index is a data structure used for processing join queries in databases. Join-indices use precomputation techniques to speed up online query processing and are useful for da...
DASFAA
2007
IEEE
15 years 4 months ago
2007
IEEE
Nearest-neighbor queries are an important query type for commonly used feature databases. In many different application areas, e.g. sensor databases, location based services or fac...