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TCS
2010
14 years 11 months ago
Definable transductions and weighted logics for texts
A text is a word together with an additional linear order on it. We study quantitative models for texts, i.e. text series which assign to texts elements of a semiring. We introduc...
Christian Mathissen
FOIS
2006
15 years 5 months ago
Simultaneous Events and the "Once-Only" Effect
Abstract. Some events recur, and some happen only once. Galton refers to the latter as "once-only" events [1]. In a first-order logic of events that makes a type-token di...
Haythem O. Ismail
APN
2003
Springer
15 years 9 months ago
The Model-Checking Kit
The Model-Checking Kit [8] is a collection of programs which allow to model finite state systems using a variety of modelling languages, and verify them using a variety of checker...
Claus Schröter, Stefan Schwoon, Javier Esparz...
ICDE
1997
IEEE
172views Database» more  ICDE 1997»
15 years 8 months ago
Modeling and Querying Moving Objects
In this paper we propose a data model for representing moving objects in database systems. It is called the Moving Objects Spatio-Temporal (MOST) data model. We also propose Futur...
A. Prasad Sistla, Ouri Wolfson, Sam Chamberlain, S...
DLOG
2008
15 years 6 months ago
Essential and Mandatory Part-Whole Relations in Conceptual Data Models
A recurring problem in conceptual modelling and ontology development is the representation of part-whole relations, with a requirement to be able to distinguish between essential a...
Alessandro Artale, C. Maria Keet