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ER
2010
Springer
132views Database» more  ER 2010»
14 years 8 months ago
Full Satisfiability of UML Class Diagrams
UML class diagrams (UCDs) are the de-facto standard formalism for the analysis and design of information systems. By adopting formal language techniques to capture constraints expr...
Alessandro Artale, Diego Calvanese, Yazmin Ang&eac...
GIS
2011
ACM
14 years 1 months ago
Embedding rivers in triangulated irregular networks with linear programming
Data conflation is a major issue in GIS: different geospatial data sets covering overlapping regions, possibly obtained from different sources and using different acquisition ...
Marc J. van Kreveld, Rodrigo I. Silveira
CADE
2011
Springer
13 years 10 months ago
Deciding Security for Protocols with Recursive Tests
Abstract. Security protocols aim at securing communications over public networks. Their design is notoriously difficult and error-prone. Formal methods have shown their usefulness ...
Mathilde Arnaud, Véronique Cortier, St&eacu...
BIRTHDAY
2009
Springer
15 years 4 months ago
Foundations of Temporal Conceptual Data Models
Abstract. This chapter considers the different temporal constructs appeared in the literature of temporal conceptual models (timestamping and evolution constraints), and it provid...
Alessandro Artale, Enrico Franconi
LOPSTR
2009
Springer
15 years 4 months ago
LP with Flexible Grouping and Aggregates Using Modes
We propose a new grouping operator for logic programs based on the group_by operator of SQL. The novelty of our proposal lies in the use of modes, which allows us to relax some rat...
Marcin Czenko, Sandro Etalle