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SIGMOD
2000
ACM
121views Database» more  SIGMOD 2000»
15 years 10 months ago
TIP: A Temporal Extension to Informix
Commercial relational database systems today provide only limited temporal support. To address the needs of applications requiring rich temporal data and queries, we have built TI...
Jun Yang 0001, Huacheng C. Ying, Jennifer Widom
VLDB
1993
ACM
73views Database» more  VLDB 1993»
15 years 10 months ago
A Model of Methods Access Authorization in Object-oriented Databases
Object-oriented databases are a recent and important development and many studies of them have been performed. These consider aspects such as data modeling, query languages, perfo...
Nurit Gal-Oz, Ehud Gudes, Eduardo B. Fernán...
ICDE
2008
IEEE
147views Database» more  ICDE 2008»
16 years 7 months ago
Flow Algorithms for Parallel Query Optimization
In this paper we address the problem of minimizing the response time of a multi-way join query using pipelined (inter-operator) parallelism, in a parallel or a distributed environ...
Amol Deshpande, Lisa Hellerstein
EDBT
2006
ACM
191views Database» more  EDBT 2006»
16 years 6 months ago
Parallelizing Skyline Queries for Scalable Distribution
Skyline queries help users make intelligent decisions over complex data, where different and often conflicting criteria are considered. Current skyline computation methods are rest...
Ping Wu, Caijie Zhang, Ying Feng, Ben Y. Zhao, Div...
DEXA
2006
Springer
139views Database» more  DEXA 2006»
15 years 10 months ago
Distributed Continuous Range Query Processing on Moving Objects
Recent work on continuous queries has focused on processing queries in very large, mobile environments. In this paper, we propose a system leveraging the computing capacities of mo...
Haojun Wang, Roger Zimmermann, Wei-Shinn Ku