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» Privacy-Preserving Queries over Relational Databases
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ICDE
2009
IEEE
165views Database» more  ICDE 2009»
14 years 10 months ago
Expressive Location-Based Continuous Query Evaluation with Binary Decision Diagrams
Many location-based services require rich and expressive query language support for filtering large amounts of information. In prominent location-based services thousands of conti...
Zhengdao Xu, Hans-Arno Jacobsen
ICDE
2008
IEEE
127views Database» more  ICDE 2008»
14 years 10 months ago
Querying Data under Access Limitations
Data sources on the web are often accessible through web interfaces that present them as relational tables, but require certain attributes to be mandatorily selected, e.g., via a w...
Andrea Calì, Davide Martinenghi
SIGMOD
2004
ACM
161views Database» more  SIGMOD 2004»
14 years 8 months ago
Approximation Techniques for Spatial Data
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 ...
Abhinandan Das, Johannes Gehrke, Mirek Riedewald
DEXA
2004
Springer
96views Database» more  DEXA 2004»
14 years 2 months ago
A Selective Key-Oriented XML Index for the Index Selection Problem in XDBMS
Abstract. In relational database management systems indexes are used to accelerate specific queries. The selection of indexes is an important task when tuning a database which is ...
Beda Christoph Hammerschmidt, Martin Kempa, Volker...
ICDE
2012
IEEE
269views Database» more  ICDE 2012»
11 years 11 months ago
A Deep Embedding of Queries into Ruby
—We demonstrate SWITCH, a deep embedding of relational queries into RUBY and RUBY on RAILS. With SWITCH, there is no syntactic or stylistic difference between RUBY programs that ...
Torsten Grust, Manuel Mayr