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» Cache Management for Mobile Databases: Design and Evaluation
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CIKM
2009
Springer
15 years 11 months ago
Inverted indexes vs. bitmap indexes in decision support systems
Bitmap indexes are widely used in Decision Support Systems (DSSs) to improve query performance. In this paper, we evaluate the use of compressed inverted indexes with adapted quer...
Truls A. Bjørklund, Nils Grimsmo, Johannes ...
241
Voted
GIS
2007
ACM
16 years 5 months ago
Partition-based lazy updates for continuous queries over moving objects
Continuous spatial queries posted within an environment of moving objects produce as their results a time-varying set of objects. In the most ambitious case both queries and data ...
Yu-Ling Hsueh, Roger Zimmermann, Haojun Wang, Wei-...
CHI
2008
ACM
16 years 4 months ago
The associative pda 2.0
In this paper I describe the Associative PDA 2.0, a mobile system for Personal Information Management (PIM), based on an associative information network. In addition to associate ...
Eileen Falke
SIGMOD
2009
ACM
175views Database» more  SIGMOD 2009»
16 years 4 months ago
Keyword search on structured and semi-structured data
Empowering users to access databases using simple keywords can relieve the users from the steep learning curve of mastering a structured query language and understanding complex a...
Yi Chen, Wei Wang 0011, Ziyang Liu, Xuemin Lin
191
Voted
SSDBM
2002
IEEE
149views Database» more  SSDBM 2002»
15 years 9 months ago
A Cost Model for Interval Intersection Queries on RI-Trees
The efficient management of interval data represents a core requirement for many temporal and spatial database applications. With the Relational Interval Tree (RI-tree1 ), an effi...
Hans-Peter Kriegel, Martin Pfeifle, Marco Pöt...