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» The Semantics of Extended SOFL
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SIGMOD
1987
ACM
69views Database» more  SIGMOD 1987»
13 years 11 months ago
Extending the Relational Algebra to Support Transaction Time
In this paper we discuss extensions to the conventional relatronal algebra to support transaction time We show that these extensions are applicable to hrstorlcal algebras that sup...
L. Edwin McKenzie, Richard T. Snodgrass
AGI
2008
13 years 9 months ago
Extending the Soar Cognitive Architecture
One approach in pursuit of general intelligent agents has been to concentrate on the underlying cognitive architecture, of which Soar is a prime example. In the past, Soar has reli...
John E. Laird
MEMOCODE
2005
IEEE
14 years 1 months ago
Extended abstract: a race-free hardware modeling language
We describe race-free properties of a hardware description language called GEZEL. The language describes networks of cycle-true finite-state-machines with datapaths (FSMDs). We de...
Patrick Schaumont, Sandeep K. Shukla, Ingrid Verba...
ICDE
1994
IEEE
103views Database» more  ICDE 1994»
13 years 11 months ago
A Multi-Set Extended Relational Algebra - A Formal Approach to a Practical Issue
The relational data model is based on sets of tuples, i.e. it does not allow duplicate tuples in a relation. Many database languages and systems do require multi-set place, the hi...
Paul W. P. J. Grefen, Rolf A. de By
ENTCS
2007
86views more  ENTCS 2007»
13 years 7 months ago
Simulations Up-to and Canonical Preorders: (Extended Abstract)
d abstract) David de Frutos Escrig1 ,3 Departamento de Sistemas Inform´aticos y Computaci´on Universidad Complutense de Madrid Madrid, Spain Carlos Gregorio Rodr´ıguez2 ,4 Depa...
David de Frutos-Escrig, Carlos Gregorio-Rodr&iacut...