Nowadays, application of e-commerce for companies or economic corporates and also entities and states has changed to an unavoidable issue, seeming necessary to observe its advantages and disadvantages. Due to the performance of processes in virtual or cyber site, e-commerce has been always followed by many worries, challenges and problems for all users including companies, people and states. To...

Background: The present study aimed to investigate and rank the effective success factors for e-learning based on the perspectives of the faculty members, students, and technical specialists of Tehran University of Medical Sciences, Tehran, Iran. Methods: This descriptive survey was conducted using the qualitative-quantitative method. At the first stage of the qualitative approach, 15 specialis...

� Several systems that rely on the integrity of the data in order to offer high quality services, such as digital libraries and e-commerce brokers, may be affected by the existence of duplicates, quasi-replicas, or near-duplicates entries in their repositories. Because of that, there has been a huge effort from private and government organizations in developing effective methods for removing re...

With widely usingof computer and mobile devices available, people share information more frequently on the online social network (OSN) than before, so information spread faster and wider, especially misinformation andrumors. Rumors on the OSN often make E-commerce companiessuffermuch financial losses.Once there is a rumor, the companies always try to control the rumor propagating so that they s...

My field of research is Theoretical Computer Science. My focus has been in the classical and quantum complexity of Boolean functions (including property testing, sensitivity and block sensitivity of Boolean functions and quantum database search), in electronic commerce, in graph algorithms and in coding theory. I have designed effective algorithms as well as proved lower bounds for the complexi...

E-readiness is one of the major prerequisites for effective implementation of e-government. For the correct implementation of e-government, it is needed to accurately assess the state of e-readiness in desired community. In this regard, there are models to assess, but the correct choice of model is one of the most important challenges in this area. The process of evaluating and selecting the ap...

A Web site that wants to increase its number of visitors can pay for search engine ads or attempt to improve its natural search engine ranking. Nobody really knows, which, if either, of these methods provides a positive return on investment (ROI). A search engine optimization (SEO) project was undertaken at a new e-commerce site. The site’s search engine rankings and traffic were measured after...

A US law, the electronic signatures (E-Sign) in Global and National Commerce Act (signed by then President Clinton on 30 June 2000 with an effective date of 1 October 2000), grants electronic signatures legal validity equivalent to traditional handwritten counterparts. The intention of this law is to cut costs while providing more stringent security. In the emerging ecommerce arena, electronic ...