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ACM Transactions on Autonomous and Adaptive Systems (TAAS), Volume 6 Issue 2, June 2011

Spatial Computing: Distributed Systems That Take Advantage of Our Geometric World
Jacob Beal, Olivier Michel, Ulrik Pagh Schultz
Article No.: 11
DOI: 10.1145/1968513.1968514

Gabriel Graphs in Arbitrary Metric Space and their Cellular Automaton for Many Grids
Luidnel Maignan, Frédéric Gruau
Article No.: 12
DOI: 10.1145/1968513.1968515

Gabriel graphs are subgraphs of Delaunay graphs that are used in many domains such as sensor networks and computer graphics. Although very useful in their original form, their definition is bounded to applications involving Euclidean spaces only,...

Detecting Locally Distributed Predicates
Michael De Rosa, Seth Copen Goldstein, Peter Lee, Jason Campbell, Padmanabhan S. Pillai
Article No.: 13
DOI: 10.1145/1968513.1968516

In this article, we formalize locally distributed predicates, a concept previously introduced to address specific challenges associated with modular robotics and distributed debugging. A locally distributed predicate (LDP) is a novel...

Spatial Coordination of Pervasive Services through Chemical-Inspired Tuple Spaces
Mirko Viroli, Matteo Casadei, Sara Montagna, Franco Zambonelli
Article No.: 14
DOI: 10.1145/1968513.1968517

To support and engineer the spatial coordination of distributed pervasive services, we propose a chemical-inspired model, which extends tuple spaces with the ability of evolving tuples mimicking chemical systems, that is, in terms of reaction and...

Infrastructureless Spatial Storage Algorithms
Jose Luis Fernandez-Marquez, Giovanna Di Marzo Serugendo, Josep Lluis Arcos
Article No.: 15
DOI: 10.1145/1968513.1968518

This article defines and analyzes a collection of algorithms for persistent storage of data at specific geographical zones exploiting the memory of mobile devices located in these areas. Contrarily to other approaches for data dissemination, our...

Macro Programming a Spatial Computer with Bayesian Networks
Marco Mamei
Article No.: 16
DOI: 10.1145/1968513.1968519

Macro programming a spatial computer is the ability to specify application tasks at a global level while relying on compiler-like software to translate the global tasks into the individual component activities. Bayesian networks can be regarded as...