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GIS
1999
ACM
13 years 10 months ago
Spatial Data Integrity Constraints in Object Oriented Geographic Data Modeling
An important activity in the design of a particular database application consists in identifying the integrity constraints that must hold on the database, and that are used to det...
Karla A. V. Borges, Alberto H. F. Laender, Clodove...
ADC
2004
Springer
109views Database» more  ADC 2004»
13 years 11 months ago
Data Flow and Validation in Workflow Modelling
A complete workflow specification requires careful integration of many different process characteristics. Decisions must be made as to the definitions of individual activities, th...
Shazia W. Sadiq, Maria E. Orlowska, Wasim Sadiq, C...
GLOBECOM
2010
IEEE
13 years 4 months ago
Packet-Reliability-Based Decode-and-Forward Distributed Space-Time Shift Keying
Motivated by the recent concept of Space-Time Shift Keying (STSK), we propose a novel cooperative STSK scheme, which is capable of achieving a flexible rate-diversity tradeoff, in ...
Shinya Sugiura, Sheng Chen, Lajos Hanzo
POPL
2011
ACM
12 years 9 months ago
Making prophecies with decision predicates
We describe a new algorithm for proving temporal properties expressed in LTL of infinite-state programs. Our approach takes advantage of the fact that LTL properties can often be...
Byron Cook, Eric Koskinen
WWW
2004
ACM
14 years 6 months ago
Composite events for xml
Recently, active behavior has received attention in the XML field to automatically react to occurred events. Aside from proprietary approaches for enriching XML with active behavi...
Martin Bernauer, Gerti Kappel, Gerhard Kramler