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CORR
2011
Springer
191views Education» more  CORR 2011»
13 years 2 months ago
Computing Optimal Coverability Costs in Priced Timed Petri Nets
—We consider timed Petri nets, i.e., unbounded Petri nets where each token carries a real-valued clock. Transition arcs are labeled with time intervals, which specify constraints...
Parosh Aziz Abdulla, Richard Mayr
AINA
2007
IEEE
14 years 4 months ago
Self-Organizing Spatial Regions for Sensor Network Infrastructures
This paper focuses on sensor networks as shared environmental infrastructures, and presents an approach to enable a sensor network to self-partition itself, at pre-defined energy ...
Nicola Bicocchi, Marco Mamei, Franco Zambonelli
ICDCS
2009
IEEE
14 years 7 months ago
Distributed Processing of Spatial Alarms: A Safe Region-Based Approach
Spatial alarms are considered as one of the basic capabilities in future mobile computing systems for enabling personalization of location-based services. In this paper, we propos...
Bhuvan Bamba, Ling Liu, Arun Iyengar, Philip S. Yu
ICCS
2009
Springer
14 years 4 months ago
Spatial Relations Analysis by Using Fuzzy Operators
Spatial relations play important role in computer vision, scene analysis, geographic information systems (GIS) and content based image retrieval. Analyzing spatial relations by Fo...
Nadeem Salamat, El-hadi Zahzah
GIS
2009
ACM
14 years 11 months ago
Spatio-Textual Spreadsheets: Geotagging via Spatial Coherence
The spatio-textual spreadsheet is a conventional spreadsheet where spatial attribute values are specified textually. Techniques are presented to automatically find the textually-s...
Hanan Samet, Jagan Sankaranarayanan, Jon Sperling,...