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SIGMOD
1994
ACM
85views Database» more  SIGMOD 1994»
15 years 8 months ago
Adaptive Selectivity Estimation Using Query Feedback
In this paper, we propose a novel approach for estimating the record selectivities of database queries. The real attribute value distribution is adaptively approximated by a curve...
Chung-Min Chen, Nick Roussopoulos
SSDBM
1992
IEEE
125views Database» more  SSDBM 1992»
15 years 8 months ago
Modelling Ecological Data
Ecological surveys generate large quantities of data database technology has not yet reached its full potential in this area. Here we investigate approaches to modelling ecologica...
Peter J. Barclay, Jessie B. Kennedy
BNCOD
1998
165views Database» more  BNCOD 1998»
15 years 5 months ago
Component DBMS Architecture for Nomadic Computing
Current database management system technology is unable to provide adequate support for Nomadic Computing. Mobile applications require systems which are sufficiently lightweight an...
Julie A. McCann, J. S. Crane
IJNSEC
2008
81views more  IJNSEC 2008»
15 years 4 months ago
A Self-Concealing Mechanism for Authentication of Portable Communication Systems
The challenge-response technique is widely adapted for authentication of portable communication systems. For authentication the user can prove his/her identity via a secret shared...
Wei-Bin Lee, Chang-Kuo Yeh
GVD
2009
148views Database» more  GVD 2009»
15 years 2 months ago
Towards an Energy Aware DBMS - Energy Consumptions of Sorting and Join Algorithms
Database management systems comprise various algorithms for efficiently retrieving and managing data. Typically, algorithm efficiency or performance is correlated with execution s...
Hagen Höpfner, Christian Bunse