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» Access Methods and Query Processing Techniques
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104
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ENGL
2007
78views more  ENGL 2007»
15 years 17 days ago
A Method for Secure Query Processing in Mobile Databases
—A method for secure query processing in mobile databases has been presented in this paper. Mobile devices send queries to the server via point-to-point channels. The mobile data...
D. Saha, N. Chowdhury
185
Voted
ICDE
1999
IEEE
106views Database» more  ICDE 1999»
16 years 1 months ago
Processing Operations with Restrictions in RDBMS without External Sorting: The Tetris Algorithm
Most operations of the relational algebra or SQL require a sorted stream of tuples for efficient processing. Therefore, processing complex relational queries relies on efficient a...
Volker Markl, Martin Zirkel, Rudolf Bayer
85
Voted
WWW
2006
ACM
16 years 1 months ago
Evaluating structural summaries as access methods for XML
Structural summaries are data structures that preserve all structural features of XML documents in a compact form. We investigate the applicability of the most popular summaries a...
Mirella Moura Moro, Zografoula Vagena, Vassilis J....
MDM
2004
Springer
138views Communications» more  MDM 2004»
15 years 6 months ago
Optimizing Data Placement over Wireless Broadcast Channel for Multi-Dimensional Range Query Processing
Data broadcasting is well known for its excellent scalability. Multi-dimensional range queries, such as spatial range queries of geographical information for location dependent se...
Jianting Zhang, Le Gruenwald
EDBT
2002
ACM
246views Database» more  EDBT 2002»
16 years 22 days ago
Impact and Potential of User Profiles Used for Distributed Query Processing Based on Literature Services
Applying meta search systems is a suitable method to support the user if there are many different services. Due to information splitting strategies of literature services existing ...
Bethina Schmitt