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Cloud computing has recently emerged as a new paradigm for hosting and delivering services over the Inter-net. Cloud computing is attractive to business owners as it eliminates the requirement for users to plan ahead for pro-visioning, and allows enterprises to start from the small and increase resources only when there is a rise in service demand. However,(More)
— While advances in computer and communications technology have made the network ubiquitous, they have also rendered networked systems vulnerable to malicious attacks orchestrated from a distance. These attacks or intrusions start with attackers infiltrating a network through a vulnerable host and then launching further attacks on the local network or(More)
Server 2008 dramatically increases the breadth and depth of ETW instrumentation, and new trace capture and visualization tools are available in the Windows Performance Tools kit. Additional analytical tools were developed to analyze and visualize traces captured from Exchange, software build and release, Live Maps, MSN storage, security authentication, and(More)
The multi-tier implementation has become the industry standard for developing scalable client-server enterprise applications. Since these applications are performance sensitive, effective models for dynamic resource provisioning and for delivering quality of service to these applications become critical. Workloads in such environments are characterized by(More)
We explore the application of machine learning techniques to the problem of content-based image retrieval (CBIR). Unlike most existing CBIR systems in which only global information is used or in which a user must explicitly indicate what part of the image is of interest, we apply the multiple-instance (MI) learning model to use a small number of training(More)
The multiple-instance learning model has received much attention recently with a primary application area being that of drug activity prediction. Most prior work on multiple-instance learning has been for concept learning, yet for drug activity prediction, the label is a real-valued affinity measurement giving the binding strength. We present extensions of(More)
In this paper, we present a novel approach for mining opinions from product reviews, where it converts opinion mining task to identify product features, expressions of opinions and relations between them. By taking advantage of the observation that a lot of product features are phrases, a concept of phrase dependency parsing is introduced , which extends(More)