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DASFAA
2011
IEEE
231views Database» more  DASFAA 2011»
14 years 10 months ago
Querying Moving Objects with Uncertainty in Spatio-Temporal Databases
Spatio-temporal uncertainty is a special feature of moving objects due to the inability of precisely capturing or predicting their continuously changing locations. Indeterminate lo...
Hechen Liu, Markus Schneider
CASES
2004
ACM
15 years 10 months ago
Reducing energy consumption of queries in memory-resident database systems
The tremendous growth of system memories has increased the capacities and capabilities of memory-resident embedded databases, yet current embedded databases need to be tuned in or...
Jayaprakash Pisharath, Alok N. Choudhary, Mahmut T...
CIDR
2003
178views Algorithms» more  CIDR 2003»
15 years 8 months ago
Automated Ranking of Database Query Results
Ranking and returning the most relevant results of a query is a popular paradigm in Information Retrieval. We discuss challenges and investigate several approaches to enable ranki...
Sanjay Agrawal, Surajit Chaudhuri, Gautam Das, Ari...
PODS
2003
ACM
114views Database» more  PODS 2003»
16 years 6 months ago
Soft stratification for magic set based query evaluation in deductive databases
In this paper we propose a new bottom-up query evaluation method for stratified deductive databases based on the Magic Set approach. As the Magic Sets rewriting may lead to unstra...
Andreas Behrend
APWEB
2009
Springer
15 years 10 months ago
Effective Top-k Keyword Search in Relational Databases Considering Query Semantics
Keyword search in relational databases has recently emerged as a new research topic. As a search result is often assembled from multiple relational tables, existing IR-style rankin...
Yanwei Xu, Yoshiharu Ishikawa, Jihong Guan