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» Answering queries using views: A survey
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DKE
1999
118views more  DKE 1999»
13 years 6 months ago
Designing Data Warehouses
A Data Warehouse DW is a database that collects and stores data from multiple remote and heterogeneous information sources. When a query is posed, it is evaluated locally, without...
Dimitri Theodoratos, Timos K. Sellis
FOIKS
2008
Springer
13 years 8 months ago
A Transformation-Based Approach to View Updating in Stratifiable Deductive Databases
Abstract In this paper we present a new rule-based approach for consistency preserving view updating in deductive databases. Based on rule transformations performed during schema d...
Andreas Behrend, Rainer Manthey
SIGMOD
1996
ACM
120views Database» more  SIGMOD 1996»
13 years 11 months ago
Implementing Data Cubes Efficiently
Decision support applications involve complex queries on very large databases. Since response times should be small, query optimization is critical. Users typically view the data ...
Venky Harinarayan, Anand Rajaraman, Jeffrey D. Ull...
PODS
2010
ACM
306views Database» more  PODS 2010»
13 years 11 months ago
Optimizing linear counting queries under differential privacy
Differential privacy is a robust privacy standard that has been successfully applied to a range of data analysis tasks. But despite much recent work, optimal strategies for answe...
Chao Li, Michael Hay, Vibhor Rastogi, Gerome Mikla...
VLDB
2001
ACM
138views Database» more  VLDB 2001»
13 years 11 months ago
A Data Warehousing Architecture for Enabling Service Provisioning Process
In this paper we focus on the following problem in information management: given a large collection of recorded information and some knowledge of the process that is generating th...
Yannis Kotidis