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AAAI
2006
13 years 8 months ago
Supporting Queries with Imprecise Constraints
In this paper, we motivate the need for and challenges involved in supporting imprecise queries over Web databases. Then we briefly explain our solution, AIMQ - a domain independe...
Ullas Nambiar, Subbarao Kambhampati
SIGMOD
2005
ACM
103views Database» more  SIGMOD 2005»
14 years 7 months ago
Verifying Completeness of Relational Query Results in Data Publishing
In data publishing, the owner delegates the role of satisfying user queries to a third-party publisher. As the publisher may be untrusted or susceptible to attacks, it could produ...
HweeHwa Pang, Arpit Jain, Krithi Ramamritham, Kian...
ICDE
1999
IEEE
106views Database» more  ICDE 1999»
14 years 8 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
IJCSA
2007
143views more  IJCSA 2007»
13 years 7 months ago
Incremental Trade-Off Management for Preference-Based Queries
Preference-based queries often referred to as skyline queries play an important role in cooperative query processing. However, their prohibitive result sizes pose a severe challen...
Wolf-Tilo Balke, Ulrich Güntzer, Christoph Lo...
IDEAS
2006
IEEE
104views Database» more  IDEAS 2006»
14 years 1 months ago
Exploiting Indifference for Customization of Partial Order Skylines
Unlike numerical preferences, preferences on attribute values do not show an inherent total order, but skyline computation has to rely on partial orderings explicitly stated by th...
Wolf-Tilo Balke, Ulrich Güntzer, Wolf Sibersk...