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78
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ICDT
2001
ACM
153views Database» more  ICDT 2001»
15 years 1 months ago
Estimating Range Queries Using Aggregate Data with Integrity Constraints: A Probabilistic Approach
In fast OLAP applications it is often advantageous to provide approximate answers to range queries in order to achieve very high performances. A possible solution is to inquire sum...
Francesco Buccafurri, Filippo Furfaro, Domenico Sa...
110
Voted
ICDE
2012
IEEE
277views Database» more  ICDE 2012»
12 years 12 months ago
Aggregate Query Answering on Possibilistic Data with Cardinality Constraints
— Uncertainties in data arise for a number of reasons: when the data set is incomplete, contains conflicting information or has been deliberately perturbed or coarsened to remov...
Graham Cormode, Divesh Srivastava, Entong Shen, Ti...
VLDB
1991
ACM
168views Database» more  VLDB 1991»
15 years 1 months ago
Semantic Modeling of Object Oriented Databases
: This paper describes a design methodology for an object oriented database,basedon a semantic network. This approach is based on the assumption that Yemanticdata models are more p...
Mokrane Bouzeghoub, Elisabeth Métais
DEXA
2004
Springer
110views Database» more  DEXA 2004»
15 years 2 months ago
An a Priori Approach for Automatic Integration of Heterogeneous and Autonomous Databases
Data integration is the process that gives users access to multiple data sources though queries against a global schema. Semantic heterogeneity has been identified as the most imp...
Ladjel Bellatreche, Guy Pierra, Dung Nguyen Xuan, ...
VLDB
1995
ACM
91views Database» more  VLDB 1995»
15 years 1 months ago
A Data Transformation System for Biological Data Sources
Scientific data of importance to biologists in the Humitn Genome Project resides not only in conventional da.tabases, but in structured files maintained in a number of different f...
Peter Buneman, Susan B. Davidson, Kyle Hart, G. Ch...