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107
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INFOCOM
2009
IEEE
15 years 8 months ago
Using Failure Models for Controlling Data Availability in Wireless Sensor Networks
— This paper presents Pirrus, a replica management system that addresses the problem of providing data availability on a wireless sensor network. Pirrus uses probabilistic failur...
Riccardo Crepaldi, Mirko Montanari, Indranil Gupta...
146
Voted
GIS
2009
ACM
15 years 6 months ago
A multidimensional model representing continuous fields in spatial data warehouses
Data warehouses and On-Line Analytical Processing (OLAP) provide an analysis framework supporting the decision making process. In many application domains, complex analysis tasks ...
Alejandro A. Vaisman, Esteban Zimányi
GISCIENCE
2010
Springer
231views GIS» more  GISCIENCE 2010»
15 years 2 months ago
Efficient Data Collection and Event Boundary Detection in Wireless Sensor Networks Using Tiny Models
Using wireless geosensor networks (WGSN), sensor nodes often monitor a phenomenon that is both continuous in time and space. However, sensor nodes take discrete samples, and an ana...
Kraig King, Silvia Nittel
ER
1998
Springer
88views Database» more  ER 1998»
15 years 6 months ago
Numerical Aspects in the Data Model of Conceptual Information Systems
Abstract. While most data analysis and decision support tools use numerical aspects of the data, Conceptual Information Systems focus on their conceptual structure. This paper disc...
Gerd Stumme, Karl Erich Wolff
ICIP
2004
IEEE
16 years 3 months ago
Action modeling with volumetric data
In this paper we propose and test an action recognition algorithm in which the images of the scene captured by a significant number of cameras are first used to generate a volumet...
Fabio Cuzzolin, Augusto Sarti, Stefano Tubaro