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» Database Engineering from the Category Theory Viewpoint
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PODS
2008
ACM
165views Database» more  PODS 2008»
16 years 5 months ago
Data exchange and schema mappings in open and closed worlds
In the study of data exchange one usually assumes an openworld semantics, making it possible to extend instances of target schemas. An alternative closed-world semantics only move...
Leonid Libkin, Cristina Sirangelo
EMSOFT
2005
Springer
15 years 11 months ago
A structural approach to quasi-static schedulability analysis of communicating concurrent programs
We describe a system as a set of communicating concurrent programs. Quasi-static scheduling compiles the concurrent programs into a sequential one. It uses a Petri net as an inter...
Cong Liu, Alex Kondratyev, Yosinori Watanabe, Albe...
EUROSYS
2007
ACM
15 years 9 months ago
Discrete control for safe execution of IT automation workflows
As information technology (IT) administration becomes increasingly complex, workflow technologies are gaining popularity for IT automation. Writing correct workflow programs is no...
Yin Wang, Terence Kelly, Stéphane Lafortune
AVI
2006
15 years 7 months ago
Preserving the mental map in interactive graph interfaces
Graphs provide good representations for many domains. Interactive graph-based interfaces are desireable to browse and edit data for these domains. However, as graphs increase in s...
Manuel Freire, Pilar Rodríguez
DOLAP
2004
ACM
15 years 11 months ago
Physical modeling of data warehouses using UML
During the few last years, several approaches have been proposed to model different aspects of a Data Warehouse (DW), such as the conceptual model of the DW, the design of the ET...
Sergio Luján-Mora, Juan Trujillo