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» Data Sufficiency for Queries on Cache
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VLDB
2002
ACM
141views Database» more  VLDB 2002»
14 years 8 months ago
Data page layouts for relational databases on deep memory hierarchies
Relational database systems have traditionally optimized for I/O performance and organized records sequentially on disk pages using the N-ary Storage Model (NSM) (a.k.a., slotted ...
Anastassia Ailamaki, David J. DeWitt, Mark D. Hill
CCGRID
2009
IEEE
14 years 7 days ago
Hierarchical Caches for Grid Workflows
From personal software to advanced systems, caching mechanisms have steadfastly been a ubiquitous means for reducing workloads. It is no surprise, then, that under the grid and clu...
David Chiu, Gagan Agrawal
CIDR
2007
144views Algorithms» more  CIDR 2007»
13 years 9 months ago
Cache-Oblivious Query Processing
We propose a radical approach to relational query processing that aims at automatically and consistently achieving a good performance on any memory hierarchy. We believe this auto...
Bingsheng He, Qiong Luo
VLDB
2004
ACM
124views Database» more  VLDB 2004»
14 years 1 months ago
Containment of Nested XML Queries
Query containment is the most fundamental relationship between a pair of database queries: a query Q is said to be contained in a query Q if the answer for Q is always a subset of...
Xin Dong, Alon Y. Halevy, Igor Tatarinov
ICDE
2007
IEEE
126views Database» more  ICDE 2007»
14 years 9 months ago
Location-based Spatial Queries with Data Sharing in Wireless Broadcast Environments
Location-based spatial queries (LBSQs) refer to spatial queries whose answers rely on the location of the inquirer. Efficient processing of LBSQs is of critical importance with th...
Wei-Shinn Ku, Roger Zimmermann, Haixun Wang