Sciweavers

3452 search results - page 264 / 691
» On the Study of Negotiation Strategies
Sort
View
PARLE
1993
15 years 10 months ago
On the Performance of Parallel Join Processing in Shared Nothing Database Systems
: Parallel database systems aim at providing high throughput for OLTP transactions as well as short response times for complex and data-intensive queries. Shared nothing systems re...
Robert Marek, Erhard Rahm
ICMLA
2004
15 years 8 months ago
Mining interesting contrast rules for a web-based educational system
Web-based educational technologies allow educators to study how students learn (descriptive studies) and which learning strategies are most effective (causal/predictive studies). ...
Behrouz Minaei-Bidgoli, Pang-Ning Tan, William F. ...
INFOCOM
2009
IEEE
16 years 1 months ago
Barrier Coverage of Line-Based Deployed Wireless Sensor Networks
— Barrier coverage of wireless sensor networks has been studied intensively in recent years under the assumption that sensors are deployed uniformly at random in a large area (Po...
Anwar Saipulla, Cédric Westphal, Benyuan Li...
ICDE
2007
IEEE
117views Database» more  ICDE 2007»
16 years 8 months ago
Unnesting Scalar SQL Queries in the Presence of Disjunction
Optimizing nested queries is an intricate problem. It becomes even harder if in a nested query the linking predicate or the correlation predicate occurs disjunctively. We present ...
Matthias Brantner, Norman May, Guido Moerkotte
ICDE
1998
IEEE
153views Database» more  ICDE 1998»
16 years 8 months ago
Flattening an Object Algebra to Provide Performance
Algebraic transformation and optimization techniques have been the method of choice in relational query execution, but applying them in OODBMS is difficult due to the complexity o...
Peter A. Boncz, Annita N. Wilschut, Martin L. Kers...