as mobile technologies are becoming more advanced and mobile devices are making a big impact on daily life, a new type of payment system named mobile payment (m-payment) has emerged, enabling users to pay from their wireless devices especially mobile phones. this paper analyzes currently available wireless-payment systems and finds the stored-value card to be the best overall payment scheme for...

â â â â â â â â â â â â â â â  â  abstract â  the effect of technology spillovers is widely considered as one of the main channels through which domestic firms benefit from fdi, and plays an important role in economic development of host countries. based on the analysis framework for technology spillovers established by borensztein et al. (1998), this paper will analyse and try to figure out th...

Background Traditionally, embryo incubation and assessment daily has been under a light microscope, these observations are inevitably restricted to specific times and considering that the development of the embryo is a dynamic process, several critical stages in between observations may go unnoticed. For this reason, the new technologies, time lapse monitoring, have focused on the research for ...

Sponsored search is a new application domain for the feature selection area of research. When a user searches for products or services using the Internet, most of the major search engines would return two sets of results: regular web pages and paid advertisements. An advertising company provides a set of keywords associated with an ad. If one of these keywords is present in a user’s query, the ...

In this paper, we examine the use of keywords in text categorization with SVM. In contrast to the usual belief, we reveal that using keywords instead of all words yields better performance both in terms of accuracy and time. Unlike the previous studies that focus on keyword selection metrics, we compare the two approaches for keyword selection. In corpus-based approach, a single set of keywords...