Mobile Social Networking in Theory and Practice.
First Monday 01/2008; 13.
Conference Proceeding: Spatiotemporal visualization of mobile user experience.[show abstract] [hide abstract]
ABSTRACT: The paper presents and discusses a prototype for the tracking and visualization of mobile user experience using the example of emergency management and response. The tracking prototype consists of GPS-devices and mini video cameras. The approach is based on time-geographic methods of visualization. It represents user interactions, mobile communication and media use in its locative and temporal dimensions. Using a spatiotemporal approach to mobile communities allows insights about the structure of mobile interactions, mobile communities and mobile user contexts.Proceedings of the 12th Conference on Human-Computer Interaction with Mobile Devices and Services, Mobile HCI 2010, Lisbon, Portugal, September 7-10, 2010; 01/2010
Conference Proceeding: Cooperative localization for wireless and mobile social networking service (SNS).[show abstract] [hide abstract]
ABSTRACT: Wireless and mobile social networking service (SNS) utilizes location information to enrich user experience. A major challenge in location-aware SNS is its strict requirement in precision of user location, which generally cannot be met by the existing GPS or cellular networks. In this paper, we propose a user-level cooperative localization scheme that improves the precision of existing localization techniques. A mathematical model is developed and in-depth simulation is conducted to evaluate the performance of the proposed scheme.Proceedings of the 7th International Wireless Communications and Mobile Computing Conference, IWCMC 2011, Istanbul, Turkey, 4-8 July, 2011; 01/2011
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ABSTRACT: How to popularize the own Mobile Value-added Services (MVSs) in current mobile networks is interesting and important to many SP/CPs (Service Providers/Content Providers). In this paper, we focus on the study of service diffusion of MVSs and provide a novel methodology, which investigate that from a new perspective of epidemic spread. Firstly, we argue about the characteristics of Mobile Social Network (MSN), which is composed of mobile users, and analyze various factors that impact the subscribers to customize the MVSs. Then epidemic dynamics is used to depict the service diffusion and some conclusions including marketing strategy have been carried out thereinafter. Finally, through a series of experiments, we find that: 1) by using Acquaintance-First marketing strategy, the MVSs will quickly pop up at a low cost; 2) SP/CPs should do efforts to the effective spreading rate, which can result in a higher popularity of the service.01/2011;
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