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DBPL
2001
Springer
133views Database» more  DBPL 2001»
15 years 11 months ago
A Theory of Spatio-Temporal Database Queries
Abstract. We address a fundamental question concerning spatio-temporal database systems: “What are exactly spatio-temporal queries?” We define spatio-temporal queries to be co...
Floris Geerts, Sofie Haesevoets, Bart Kuijpers
ECBS
2000
IEEE
115views Hardware» more  ECBS 2000»
15 years 10 months ago
Discrete Event System Specification (DEVS) and StateMate StateCharts Equivalence for Embedded Systems Modeling
Recently, modeling has received a lot of attention in the design of embedded computing systems. StateCharts is one of the modeling specifications which has been successfully imple...
Stephan Schulz II, T. C. Ewing, Jerzy W. Rozenblit
CHI
2000
ACM
15 years 10 months ago
A diary study of information capture in working life
Despite the increasing number of new devices entering the market allowing the capture or recording of information (whether it be marks on paper, scene, sound or moving images), th...
Barry A. T. Brown, Abigail Sellen, Kenton O'Hara
BIRTHDAY
2000
Springer
15 years 10 months ago
Discrete time process algebra with silent step
The axiom system ACP of [10] was extended to discrete time in [6]. Here, we proceed to define the silent step in this theory in branching bisimulation semantics [7, 15] rather th...
Jos C. M. Baeten, Jan A. Bergstra, Michel A. Renie...
FLOPS
1999
Springer
15 years 10 months ago
Typed Higher-Order Narrowing without Higher-Order Strategies
We describe a new approach to higher-order narrowing computations in a class of systems suitable for functional logic programming. Our approach is based on a translation of these s...
Sergio Antoy, Andrew P. Tolmach