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The shortage of parking in crowded urban areas causes severe societal problems such as traffic congestion, environmental pollution, and many others. Recently, crowdsourced parking, where smartphone users are exploited to collect realtime parking availability information, has attracted significant attention. However, existing crowdsourced parking information systems suffer from low user participation...
User participation is one of the most important elements in participatory sensing application for providing adequate level of service quality. However, incentive mechanism and its economic model for user participation have been less addressed so far in this research domain. This paper studies the economic model of user participation incentive in participatory sensing applications. To stimulate user...
This paper studies economic models of user participation incentive in participatory sensing applications. User participation is the most important element in participatory sensing applications for providing adequate level of service quality. However, incentive mechanism and its economic model for user participation have never been addressed so far in this research domain. In order to stimulate user...
Efficiently maintaining and managing personal relationships have become imperative in our personal and professional lives. In this paper we describe the design of a mobile personal relationship manager (PRM), a prototype implementation on Nokia S60 smartphones, and results from initial user studies. The PRM system automatically extracts and manages contacts and their network from user's various communication...
This paper studies an auction based allocation of network resources for short-term contracts for heterogeneous network services. The combinatorial winner selection yields the optimal resources allocation in a single-round auction for heterogeneous resources. However, the recurring nature of auction for network services causes least wealthy bidders to exit the auction as they persistently lose under...
Sharing personal context information using mobile phone is receiving considerable attentions in ubiquitous computing applications. The most common architecture for sharing personal context information via mobile phone uses centralized server. Such server-based architecture, however, cannot avoid waste of mobile phone's limited resources for sharing personal context information. Additionally, dynamic...
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