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» Algorithms for Rewriting Aggregate Queries Using Views
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129
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EDBT
2008
ACM
137views Database» more  EDBT 2008»
16 years 2 months ago
Optimizing away joins on data streams
Abstract. Monitoring aggregates on IP traffic data streams is a compelling application for data stream management systems. Often, such streaming aggregation queries involve joining...
Lukasz Golab, Theodore Johnson, Nick Koudas, Dives...
SIGMOD
1995
ACM
116views Database» more  SIGMOD 1995»
15 years 6 months ago
Incremental Maintenance of Views with Duplicates
We study the problem of e cient maintenance of materialized views that may contain duplicates. This problem is particularly important when queries against such views involve aggre...
Timothy Griffin, Leonid Libkin
AINA
2003
IEEE
15 years 8 months ago
Incremental Updates on Mobile Datawarehousing Using Optimized Hierarchical Views and New Aggregation Operators
The use of mobile applications is increasing rapidly. Particularly, mobile applications for decision support systems, such as mobile datawarehouses, are very attractive. However, ...
Marcus Costa Sampaio, Plácido Marinho Dias,...
120
Voted
PODS
2010
ACM
187views Database» more  PODS 2010»
15 years 7 months ago
Incremental query evaluation in a ring of databases
This paper approaches the incremental view maintenance problem from an algebraic perspective. We construct a ring of databases and use it as the foundation of the design of a quer...
Christoph Koch
120
Voted
DBISP2P
2006
Springer
110views Database» more  DBISP2P 2006»
15 years 6 months ago
Reusing Classical Query Rewriting in P2P Databases
Sharing of structured data in P2P overlays is a challenging problem, especially in the absence of a global schema. The nature of structured data stored in the overlay enforces stri...
Verena Kantere, Timos K. Sellis