Large‐scale scientific problems are often modeled as workflows. The ever‐growing data
and compute requirements of these applications has led to extensive research on how to …

Infrastructure-as-a-Service (IaaS) cloud computing offers customers (tenants) a scalable and
economical way to provision virtual machines (VMs) on demand while charging them only …

To program in distributed computing environments such as grids and clouds, workflow is
adopted as an attractive paradigm for its powerful ability in expressing a wide range of …

Large-scale datacenters have been widely used to host cloud services, which are typically
allocated to different virtual machines (VMs) through resource multiplexing across shared …

Cloud computing offers a cost-effective and elastic computing paradigm that facilitates large
scale data storage and analytics. By deploying virtualization technologies in the datacenter …

The power consumption of presently available Internet servers and data centers is not
proportional to the work they accomplish. The scientific community is attempting to address …

Large-scale data centers leverage virtualization technology to achieve excellent resource
utilization, scalability, and high availability. Ideally, the performance of an application …

The last decade witnessed a dramatic advance in cloud computing research and
techniques. One of the key challenges in this field is reducing the massive amount of energy …

Cloud computing has emerged as the preeminent computing platform for multiple
enterprises. All scales of organizations adopt cloud services to leverage cloud technology to …

The aim of this paper is to address the problem of recognizing human group activities in
surveillance videos. This task has great potentials in practice, however was rarely studied …