February 2014
Beginner to intermediate
312 pages
11h 21m
English
Content preview from Big Data
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276 Big Data: Techniques and Technologies in Geoinformatics
13.6 RELATED WORKS
Several recent works have attempted to propose architectures for sensor web
systems. Intel Research’s IrisNet (Gibbons et al. 2003) proposes a decentralized
architecture based on a hierarchical topology and provides techniques to pro-
cess queries over a distributed XML document containing sensor data. However,
IrisNet only supports very preliminary geospatial queries. It uses hierarchi-
cal place names to build its hierarchical network topology. In order to perform
geospatial query, users/applications need to know the exact place name a priori
and explicitly specify the parts of a hierarchy that the query needs to traverse.
Moreover, IrisNet does not have a sensor ...
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