A Continuous Double Auction (CDA) is a powerful auction mechanism used in online share trading. A CDA has many buyers and sellers continually exchanging items. Implementing an online CDA in software is more complicated than a regular online auction (such as eBay). This paper describes our experiences with implementing an online CDA. We present the model as an abstraction of the online share tra...

this study attempts to measure online search skills among graduate students of shiraz university and to determine their ability in using them. according to the previous studies and available sources in this field, seven online search skills which were the most useable ones and also current skills were selected for this study. also 10 factors which affect these skills were determined. this study...

Purpose – To provide a thorough analysis of the role of the internet in survey research and to discuss the implications of online surveys becoming such a major force in research. Design/methodology/approach – The paper is divided into four major sections: an analysis of the strengths and potential weaknesses of online surveys; a comparison of online surveys with other survey formats; a discussi...

Introduction: The medical literature has identified a variety of health risks associated with travel. Risks depend on the susceptibility of the traveler, the specifics of the destination, the mode of transport, and on chance events. Ill-prepared travelers who underestimate travel risks may encounter a variety of health problems. In order to eventually increase the capability of...