2714 search results - page 76 / 543 » On the Notion of Value Object |
298
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SIGMOD
2005
ACM
16 years 6 months ago
2005
ACM
This paper proposes a generic framework for monitoring continuous spatial queries over moving objects. The framework distinguishes itself from existing work by being the first to ...
152
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GROUP
2003
ACM
15 years 11 months ago
2003
ACM
We describe a new collaborative technology that is mid-way between the informality of email and the formality of shared workspaces. Email and other ad hoc collaboration systems ar...
244
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FMOODS
2008
15 years 7 months ago
2008
In this work, novel symbolic step encodings of the transition relation for object based communicating state machines are presented. This class of systems is tailored to capture the...
151
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FUIN
2000
15 years 6 months ago
2000
We study the notion of class refinement in a concurrent object-oriented setting. Our model is based on a combination of action systems and classes. An action system describes the b...
168
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SAC
2008
ACM
15 years 5 months ago
2008
ACM
We address aggregate queries over GIS data and moving object data, where non-spatial information is stored in a data warehouse. We propose a formal data model and query language t...