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2008
ACM

An inconsistency tolerant approach to querying spatial databases

10 years 4 months ago
An inconsistency tolerant approach to querying spatial databases
In order to deal with inconsistent databases, a repair semantics defines a set of admissible database instances that restore consistency, while staying close to the original instance. This set can be used to characterize consistent data and consistent query answers in inconsistent databases. In this work we present a repair semantics for spatial databases and spatial integrity constraints, i.e. constraints that combine semantic and topological aspects of spatial data. We also propose the notion of consistent answer to a spatial conjunctive query. This introduces the idea of inconsistency tolerance in the spatial domain, shifting the goal from the consistency of a spatial database to the consistency of query answers.
Leopoldo E. Bertossi, Mónica Caniupá
Added 09 Nov 2009
Updated 09 Nov 2009
Type Conference
Year 2008
Where GIS
Authors Leopoldo E. Bertossi, Mónica Caniupán Marileo, M. Andrea Rodríguez
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