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ADC
2005
Springer
114views Database» more  ADC 2005»
15 years 10 months ago
Optimization of Relational Preference Queries
The design and implementation of advanced personalized database applications requires a preference-driven approach. Representing preferences as strict partial orders is a good cho...
Bernd Hafenrichter, Werner Kießling
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...
INFOCOM
2000
IEEE
15 years 9 months ago
Virtual Backbone Generation and Maintenance in Ad Hoc Network Mobility Management
Abstract—In this paper, we present the implementation issues of a virtual backbone that supports the operations of the Uniform Quorum System (UQS) and the Randomized Database Gro...
Ben Liang, Zygmunt J. Haas
GIS
1999
ACM
15 years 9 months ago
Spatial Data Integrity Constraints in Object Oriented Geographic Data Modeling
An important activity in the design of a particular database application consists in identifying the integrity constraints that must hold on the database, and that are used to det...
Karla A. V. Borges, Alberto H. F. Laender, Clodove...
HICSS
1994
IEEE
126views Biometrics» more  HICSS 1994»
15 years 8 months ago
Automating Compensation in a Multidatabase
Compensation is the process by which a committed transaction in a database is undone by running the semantic inverse of that transaction on the database. Compensation has been pro...
Marian H. Nodine, Stanley B. Zdonik