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Lecture Notes in Computer Science, pages 279-294

Consistent Query Answers on Numerical Databases Under Aggregate Constraints

Sergio Flesca ¹

Filippo Furfaro ¹

Francesco Parisi ¹

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DEIS, Università della Calabria, Rende (CS), Italy |

Publication type: Book Chapter

Publication date: 2005-12-01

Springer Nature

Journal: Lecture Notes in Computer Science

scimago Q2

SJR: 0.606

CiteScore: 2.6

Impact factor: —

ISSN: 03029743, 16113349, 18612075, 18612083

DOI: 10.1007/11601524_18

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Abstract

The problem of extracting consistent information from relational databases violating integrity constraints on numerical data is addressed. In particular, aggregate constraints defined as linear inequalities on aggregate-sum queries on input data are considered. The notion of repair as consistent set of updates at attribute-value level is exploited, and the characterization of several data-complexity issues related to repairing data and computing consistent query answers is provided.

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Publisher

Springer Nature

Journal

Lecture Notes in Computer Science

scimago Q2

SJR

0.606

CiteScore

2.6

Impact factor

—

ISSN

03029743 (Print)

16113349 (Electronic)

18612075 (Print)

18612083 (Electronic)

Consistent Query Answers on Numerical Databases Under Aggregate Constraints

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