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PODS
2010
ACM
187views Database» more  PODS 2010»
14 years 2 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
VLDB
2007
ACM
108views Database» more  VLDB 2007»
14 years 10 months ago
Update Exchange with Mappings and Provenance
We consider systems for data sharing among heterogeneous peers related by a network of schema mappings. Each peer has a locally controlled and edited database instance, but wants ...
Todd J. Green, Grigoris Karvounarakis, Zachary G. ...
VLDB
2004
ACM
125views Database» more  VLDB 2004»
14 years 3 months ago
From XML View Updates to Relational View Updates: old solutions to a new problem
This paper addresses the question of updating relational databases through XML views. Using query trees to capture the notions of selection, projection, nesting, grouping, and het...
Vanessa P. Braganholo, Susan B. Davidson, Carlos A...
AI
2000
Springer
14 years 2 months ago
Keep It Simple: A Case-Base Maintenance Policy Based on Clustering and Information Theory
Abstract. Today’s case based reasoning applications face several challenges. In a typical application, the case bases grow at a very fast rate and their contents become increasin...
Qiang Yang, Jing Wu
VLDB
1998
ACM
111views Database» more  VLDB 1998»
14 years 2 months ago
Expiring Data in a Warehouse
Data warehouses collect data into materialized views for analysis. After some time, some of the data may no longer be needed or may not be of interest. In this paper, we handle th...
Hector Garcia-Molina, Wilburt Labio, Jun Yang 0001