Publish/Subscribe Communication for Crowd-sourcing Based Smart City Applications

Szabó, Róbert and Farkas, Károly (2013) Publish/Subscribe Communication for Crowd-sourcing Based Smart City Applications. In: 2nd International Conference of Informatics and Management Sciences (ICTIC 2013), 25-29. March 2013, Zilina, Slovak Republic.

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Abstract

Collecting data and monitoring our environment give the basis for smart city applications which are getting popular today. However, the traditional approach to deploy a sensing and monitoring infrastructure is usually expensive and not always practical. Mobile crowd-sourcing can open new ways for data collection and smart city services. In this case, mobile devices with their built-in sensors and their owners are used to monitor the environment. For instance, the timetable of a smart travel planner service can be updated in real-time based on the continuously monitored time gap by passengers between consecutive buses on a public transportation route. This requires a common communication model facilitating crowd-sourced data collection. In this paper, we overview the design considerations of crowd-sourcing based smart city applications, propose data collection via using the publish/subscribe communication model and investigate the possible use of the Extensible Messaging and Presence Protocol (XMPP) for such applications.

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