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Mobility modelling is an essential component of wireless and mobile networking research. Our proposed Agenda Driven Mobility Model takes into consideration a person's social activities in the form of agenda (when, where and what) for motion generation. The model provides a framework for translating social agendas into a mobile world. Using the data from(More)
With the popularity of Java programming language and the progress on Java compiler techniques, people have been trying to use Java to develop applications where C/C++ ruled before. However, to deliver comparable overall run-time performance with C/C++, Java I/O must also keep up with that of C/C++. In this paper, we studied comprehensively the performances(More)
Using existing TCP/IP emulation layers over InfiniBand networks in Java applications presented rather poor communication performance and heavy overhead in host CPU. In this paper, we propose Jdib (Java Direct InfiniBand), a Java application acceleration technique to directly exploit RDMA (remote-direct-memory-access) capability of InfiniBand network(More)
Many methods have been proposed to solve the image classification problem for a large number of categories. Among them, methods based on tree-based representations achieve good trade-off between accuracy and test time efficiency. While focusing on learning a tree-shaped hierarchy and the corresponding set of classifiers, most of them [11, 2, 14] use a(More)
3 Declaration I certify that the thesis I have presented for examination for the MPhil/PhD degree of the London School of Economics and Political Science is based on joint work with Bernhard von Stengel. The copyright of this thesis rests with the author. Quotation from it is permitted, provided that full acknowledgement is made. This thesis may not be(More)
BACKGROUND Informed consent is regarded as a cornerstone of ethical healthcare research and is a requirement for most clinical research studies. Guidelines suggest that prospective randomised controlled trial (RCT) participants should understand a basic amount of key information about the RCTs they are being asked to enrol in in order to provide valid(More)
We present a polynomial-time algorithm for finding one extensive form correlated equilibrium (EFCE) for multiplayer extensive games with perfect recall. This the first such algorithm for an equilibrium notion for games of this generality. The EFCE concept has been defined by von Stengel and Forges [1]. Our algorithm extends the constructive existence proof(More)