objective: the present study aims to verify web preservation projects and programs in order to explore their preferred solutions in tackling the technical challenges.   method: a documentary method was used to identify and analyze web-preservation-related literature, including papers, handbooks, web sites and documents. the programs’ persons in charge were also questioned. besides, top web pres...

Web services are self-contained modular applications that provide a computation upon request. These services can be described, published, located, and invoked over a network, generally over the Internet. However, intranets, extranets, and LANs can also be used. as well. In using web services for its information systems needs, a firm may open access to its information assets. This action can bec...

  Network and processing overhead associated with web services is a significant challenge to its performance. As a result, web service providers often announce a service level agreement. This ensures that consumers, who pay for the service, can get the service at a given quality level. In this paper, we study the competition between two providers offering functionally the same web services, whe...

this article considers the many developments in technology and practice that are making libraries more connected and interdependent. it looks at new integrated online services and reviews the increasing importance of both formal and informal standards. global centralized web services are discussed. the relationships between information industry companies and libraries are considered. virtual re...