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SSDBM
2002
IEEE
149views Database» more  SSDBM 2002»
14 years 15 days 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...
SIGMOD
1995
ACM
97views Database» more  SIGMOD 1995»
13 years 11 months ago
Implementing Crash Recovery in QuickStore: A Performance Study
Implementing crash recovery in an Object-Oriented Database System (OODBMS) raises several challenging issues for performance that are not present in traditional DBMSs. These perfo...
Seth J. White, David J. DeWitt
KDD
2005
ACM
153views Data Mining» more  KDD 2005»
14 years 8 months ago
Using retrieval measures to assess similarity in mining dynamic web clickstreams
While scalable data mining methods are expected to cope with massive Web data, coping with evolving trends in noisy data in a continuous fashion, and without any unnecessary stopp...
Olfa Nasraoui, Cesar Cardona, Carlos Rojas
HT
1993
ACM
13 years 11 months ago
Concurrency Control in Collaborative Hypertext Systems
Traditional concurrency control techniques for database systems (transaction management based on locking protocols) have been successful in many multiuser settings, but these tech...
Uffe Kock Wiil, John J. Leggett
SACMAT
2010
ACM
13 years 6 months ago
Role mining based on weights
Role mining from the existing permissions has been widely applied to aid the process of migrating to an RBAC system. While all permissions are treated evenly in previous approache...
Xiaopu Ma, Ruixuan Li, Zhengding Lu