1552 search results - page 103 / 311 » Creating Database Queries by Demonstration |
HPCC
2007
Springer
15 years 4 months ago
2007
Springer
In a data-indexed DHT overlay network, published data annotations form distributed databases. Queries are distributed to these databases in a nonuniform way. Constructing content d...
SIGMOD
2004
ACM
15 years 10 months ago
2004
ACM
Spatial Database Management Systems (SDBMS), e.g., Geographical Information Systems, that manage spatial objects such as points, lines, and hyper-rectangles, often have very high ...
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ICDE
2008
IEEE
15 years 11 months ago
2008
IEEE
In this paper we present algorithms for building and maintaining efficient collection trees that provide the conduit to disseminate data required for processing monitoring queries...
VLDB
2004
ACM
15 years 3 months ago
2004
ACM
This paper presents a novel and complementary technique to optimize an XPath query by minimizing its wildcard steps. Our approach is based on using a general composite axis called...
PODS
2005
ACM
15 years 10 months ago
2005
ACM
In sensor networks, data acquisition frequently takes place at lowcapability devices. The acquired data is then transmitted through a hierarchy of nodes having progressively incre...