the purpose of this study was to investigate the effect of call/web-based instruction on improving efl learners’ pronunciation ability. to this end, 85 students who were enrolled in a language institute in rasht were selected as subjects. these students were given the oxford placement test in order to validate their proficiency levels. they were then divided into two groups of 30 and were rando...

The arrival of social and collaborative software applications (e.g. Facebook, Hyves, and LinkedIn), known as Web 2.0 applications, has provided an opportunity for customers to express their opinions and share their knowledge and thoughts with others. While customers use Web 2.0 applications on daily basis, companies are struggling to embrace fully functioning Web 2.0 applications for their busi...

Customer relationship management (CRM) is a concept for increasing companies’ profitability by enabling them to identify and concentrate on their profitable customers. The term “electronic commerce customer relationship management” (ECCRM) refers to the application of CRM in electronic commerce, i.e., when business relationships are maintained via the Internet or World Wide Web. Previous studie...

Web-based systems have become increasingly important due to the fact that the Internet and the World Wide Web have become ubiquitous, surpassing all other technological developments in our history. The Internet and especially companies websites has rapidly evolved in their scope and extent of use, from being a little more than fixed advertising material, i.e. a "web presences", which had no par...

Quality of service (QoS) is an important issue in the design and management of web service composition. QoS in web services consists of various non-functional factors, such as execution cost, execution time, availability, successful execution rate, and security. In recent years, the number of available web services has proliferated, and then offered the same services increasingly. The same web ...

Social networks have garnered much attention recently. Several studies have been undertaken to extract social networks among people, companies, and so on automatically from the web. For use in social sciences, social networks enable analyses of the performance and valuation of companies. This paper describes an attempt to learn ranking of entities from a social network that has been mined from ...

The development of web-based collaborative platforms, BIM, and transactional e-marketplaces has been changing the way companies in the AEC sector work. However, due to interoperability issues, the main problems of distributed data and information management across AEC companies and projects are yet to be overcome. This paper presents the Cloud-Marketplace concept, which expands on earlier devel...

Much of the assessment of OSS benefits and drawbacks has been based on anecdotal evidence appearing in practitioner publications, white papers, web articles etc. To a greater extent this research has tended to concentrate more on the technical benefits and drawbacks of OSS rather than their business counterparts. Furthermore, public administrations and companies operating within the primary sof...

Web-based systems have become increasingly important due to the fact that the Internet and the World Wide Web have become ubiquitous, surpassing all other technological developments in our history. The Internet and especially companies websites has rapidly evolved in their scope and extent of use, from being a little more than fixed advertising material, i.e. a "web presences", which had no par...

Customers prefer to shop online for various reasons such as saving time, better prices, convenience, selection, and availability of products and services. The accessibility and the ubiquitous nature of the Internet facilitate business beyond brick and mortar. The web-based businesses are required to understand the consumers’ expectations, attitudes, and behavior across the globe and take into c...