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Chapter and Conference Paper
Solving Constraints on Sets of Spatial Objects
In this paper, we present a constraint solver for constraints on sets of spatial objects. With this aim, we define a constraint system for handling spatial data types (points, lines, polygons and regions) and con...
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Chapter and Conference Paper
A Declarative Embedding of XQuery in a Functional-Logic Language
This paper addresses the problem of integrating a fragment of XQuery, a language for querying XML documents, into the functional-logic language ...