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VISUALIZATION
1995
IEEE
15 years 1 months ago
Qualitative Analysis of Invariant Tori in a Dynamical System
Invariant tori are examples of invariant manifolds in dynamical systems. Usual tools in dynamical systems such as analysis and numerical simulations alone are often not sufficient...
Daryl H. Hepting, Gianne Derks, Kossi D. Edoh, Rob...
VLDB
1991
ACM
145views Database» more  VLDB 1991»
15 years 1 months ago
A Taxonomy and Performance Model of Data Skew Effects in Parallel Joins
Recent work on parallel joins and data skew has concentrated on algorithm design without considering the causes and chara.cteristics of data. skew itself. Existming ana.lyt,ic mod...
Christopher B. Walton, Alfred G. Dale, Roy M. Jene...
AAAI
2007
15 years 6 days ago
Centralized, Distributed or Something Else? Making Timely Decisions in Multi-Agent Systems
In multi-agent systems, agents need to share information in order to make good decisions. Who does what in order to achieve this matters a lot. The assignment of responsibility in...
Tim Harbers, Rajiv T. Maheswaran, Pedro A. Szekely
ER
2008
Springer
128views Database» more  ER 2008»
14 years 11 months ago
Temporal Constraints in Non-temporal Data Modelling Languages
It is common to find that the definition or common usage of a data modelling language causes there to be restrictions placed on the evolution of data values that are associated wit...
Peter McBrien
GEOINFO
2007
14 years 11 months ago
Rule-based Evolution of Typed Spatiotemporal Objects
This paper describes a model for spatiotemporal objects whose location is fixed, but its boundaries and properties change. We refer to these as evolving objects. We consider cases ...
Olga Regina Fradico de Oliveira Bittencourt, Gilbe...