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» Multi-objective Query Processing for Database Systems
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TKDE
1998
142views more  TKDE 1998»
14 years 9 months ago
Performance Analysis of Three Text-Join Algorithms
—When a multidatabase system contains textual database systems (i.e., information retrieval systems), queries against the global schema of the multidatabase system may contain a ...
Weiyi Meng, Clement T. Yu, Wei Wang 0010, Naphtali...
DOLAP
2008
ACM
14 years 11 months ago
Bridging the semantic gap in OLAP models: platform-independent queries
The development of data warehouses is based on a threestage process that starts specifying both the static and dynamic properties of on-line analytical processing (OLAP) applicati...
Jesús Pardillo, Jose-Norberto Mazón,...
SIGMOD
2009
ACM
175views Database» more  SIGMOD 2009»
15 years 10 months ago
Ranking distributed probabilistic data
Ranking queries are essential tools to process large amounts of probabilistic data that encode exponentially many possible deterministic instances. In many applications where unce...
Feifei Li, Ke Yi, Jeffrey Jestes
ICDT
2005
ACM
128views Database» more  ICDT 2005»
15 years 3 months ago
The Pipelined Set Cover Problem
Abstract. A classical problem in query optimization is to find the optimal ordering of a set of possibly correlated selections. We provide an ion of this problem as a generalizati...
Kamesh Munagala, Shivnath Babu, Rajeev Motwani, Je...
ISCC
2008
IEEE
122views Communications» more  ISCC 2008»
15 years 4 months ago
A flexible network monitoring tool based on a data stream management system
Network monitoring is a complex task that generally requires the use of different tools for specific purposes. This paper describes a flexible network monitoring tool, called Pa...
Natascha Petry Ligocki, Carmem S. Hara, Christiano...