May 2013
Intermediate to advanced
354 pages
11h 49m
English
Content preview from Advanced Location-Based Technologies and Services
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192 Advanced Location-Based Technologies and Services
and user environment. A primary function of the middleware is to exploit spatial
characteristics of GIS data and analytical operations for enhancing computational
performance, and to manage the complexity of accessing cyberinfrastructure
resources (e.g., high performance computers) and services (Wang 2010). The user
environment is built on component-based application and user interfaces through
the use of cutting-edge Web 2.0 technologies and service-oriented architecture, and
provides users with friendly entry points for performing spatial analysis enabled by
the middleware (Wang et al. 2009).
8.3 SPATIOTEMPORAL DATA ANALYSIS
As social media data contain rich spatial and locational contexts, ...