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11th International Symposium on Temporal Representation and Reasoning (TIME'04)   pp. 13-20
A Lattice of Classes of User-Defined Symbolic Periodicities
Lavinia Egidi, Università del Piemonte Orientale A. Avogadro
Paolo Terenziani, Università del Piemonte Orientale A. Avogadro

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DOI Bookmark: http://doi.ieeecomputersociety.org/10.1109/TIME.2004.1314414
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Abstract
User-defined calendars and periodicities are gaining an increasing relevance in AI and DB theory and applications. Thus several representation languages have been introduced to model them. Even focusing the attention on symbolic languages only, several different proposals can be chosen, and the comparisons between them are not trivial at all. In this paper, we propose a lattice of properties about periodicity and use it in order to classify different symbolic approaches in the literature. We then propose a language which covers all the properties in the lattice.
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Index Terms- user-defined periodicity, symbolic languages, classification Citation:  Lavinia Egidi, Paolo Terenziani, "A Lattice of Classes of User-Defined Symbolic Periodicities," time, pp. 13-20,  11th International Symposium on Temporal Representation and Reasoning (TIME'04),  2004