We present an object-level scalable web framework and discuss our implementation as well as simulation experiences with them. This object-level scalable web framework automatically monitors access patterns, replicates, and maintains large multimedia objects among a set of geographically distributed web servers without the need for full URL replication. This framework employs a traceable RTSP/HT...

Large global corporations have deployed social software to encourage information sharing and informal communication between geographically distributed employees. Recent research has observed geographically local differences in participation rates and perceived benefits of these systems. We suggest that increasing participation in organizational social software so that it is representative of th...

Huge amounts of data are stored in autonomous, geographically distributed sources. The discovery of previously unknown, implicit and valuable knowledge is a key aspect of the exploitation of such sources. In recent years several approaches to knowledge discovery and data mining, and in particular to clustering, have been developed, but only a few of them are designed for distributed data source...

In this paper, we address the problem of distributed learning over a large number of distributed sensors or geographically separated data centers, which suffer from sampling biases across nodes. We propose an algorithm called random walk distributed dual averaging (RW-DDA) method that only requires local updates and is fully distributed. Our RW-DDA method is robust to the change in network topo...

In the 1960’s, the problems of distributed systems management did not exist. Systems were centralized and typically housed in one facility. Over time, however, the power, complexity and connectivity of the computer systems and networks evolved. Today, businesses are dependent on their compute and networking infrastructures to operate and survive. These infrastructures are geographically and fun...

With on-going deregulation, with tighter interdependence between energy providers, and with growing demands on reliability, Power Control Centers (PCC) need to both scale up and to allow access to comprehensive real-time data. In this paper, we propose to build PCCs based on geographically distributed and tightly coupled clusters of heterogeneous computer clusters. Our proposal, Highly Availabl...

The transition from traditional paper libraries to digital libraries enables new strategies for the use and maintenance of artifact collections. Distributed software development can be regarded as a special case of digital library utilization, where developers or groups of developers are working on the same software geographically dispersed in time zones which might differ. We present a hierarc...

The Distributed Batch Controller DBC supports scienti c batch data processing The DBC dis tributes batch jobs to one or more pools of workstations and monitors and controls their execution The pools themselves may be geographically distributed and need not be dedicated to process ing batch jobs We describe the use of the DBC in a large scienti c data processing application namely the generation...

-Distribution of software development is becoming more and more common in order to save the production cost and reduce the time to market. Large geographical distance, different time zones and cultural differences in distributed software development (DSD) leads to weak communication which adversely affects the project. Using agile practices for distributed development is also gaining momentum i...

This chapter presents the design and development of WebDisC, a knowledge-based Web information system for the fusion of classifiers induced at geographically distributed databases. The main features of our system are: i) a declarative rule language for classifier selection that allows the combination of syntactically heterogeneous distributed classifiers, ii) a variety of standard methods for f...