Research Publications
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By Type By Year By Research Group | Deployment of public wireless access points (also known as public hotspots) and the prevalence of portable computing devices has made it more convenient for people to access Internet on the road. On the other hand, it also generates large privacy ... Many wireless network protocols and algorithms rely on estimations of the link capacity in order to make informed decisions on routing data packets, selection of the optimal transmission rate, flow and admission control. In this paper we present an ... With more people accessing Online Social Networks (OSN) using their mobile devices, location-based features have become an important part of the social networking. In this paper, we present the first measurement study of a new category of location-based... Adaptations of context-aware applications do not always result in behaviours that users expect, due to imperfect sensing of context information and variability in human preferences, etc. This can negatively impact the user experience of applications and ... Wireless mesh networks are well-recognised by their self-organising properties. End-to-end routing protocols are primarily responsible for achieving these advanced features. However, wireless link failures can cause a route to be invalidated and ... Computer networks support many of the services that our society relies on. Therefore, ensuring their resilience to faults and challenges, such as attacks, is critical. To do this can require the execution of resilience strategies that perform dynamic ... The use of free mobile services and applications (commonly referred as apps) are becoming increasingly popular. Such services and apps are generally monetized by means of third party advertising. The app developers and ad networks which provide the ... In this paper, we study the dependency between MapReduce configuration parameters and network load of fixed-size MapReduce jobs during the shuffle phase; then we propose an analytical method to model this dependency. Our approach consists of three key ... Abstract—Advanced computing and sensing capabilities of smartphones provide new opportunities for personal indoor positioning. A particular trend is to employ human activity recognition for autonomous calibration of pedestrian dead reckoning systems ... In this paper an efficient energy curtailment scheme is studied, which enables the power users of a smart grid network to decide on the reduction in energy supplied to them in the event of a power outage in the system. Considering the advantages of a ... |