in the safavid period, as opposed to previous periods such as the timurid era, there is not any discussion of organology in musical treatises and authors had just referred to the name of some instruments. thus, in order to investigate in this field, it is necessary to study other worthwhile historical sources. in the discussed historical period, there are lots of travel accounts which contain i...

This paper examines search across competing electronic commerce sites. By analyzing panel data from over 10,000 Internet households and three commodity-like products (books, CDs and air travel services), we show that the amount of online search is actually quite limited. On average, households visit only 1.2 book sites, 1.3 CD sites, and 1.8 travel sites during a typical active month in each ca...

The VisualDx system (http://www.logicalimages.com/prodVDx.htm) is a JAVA-based decision-support program developed by Logical Images to be used in clinical care to develop differential diagnoses based upon morphologic finding- and patient finding-driven searching. It consists of several modules, many of which are very relevant to infectious diseases specialists, such as Fever & Rash; Internation...

The increasing use of web 2.0 applications has generated numerous online user reviews. Prior studies have revealed the influence of user-generated reviews on the sales of products such as CDs, books, and movies. However, the influence of online user-generated reviews in the tourism industry is still largely unknown both to tourism researchers and practitioners. To bridge this knowledge gap in t...

This paper examines search across competing electronic commerce sites. By analyzing panel data from over 10,000 Internet households and three commodity-like products (books, CDs and air travel services), we show that the amount of online search is actually quite limited. On average, households visit only 1.2 book sites, 1.3 CD sites, and 1.8 travel sites during a typical active month in each ca...

Can you easily form mental pictures from the descriptions of scenery that are so frequently met with in novels and books of travel? More than 100 years ago Francis Galton [1] sent out a list of questions, including this one, to gather statistics on the character of mental imagery. Many people reported vivid mental imagery, but not the scientists on his list. “To my astonishment”, Galton reporte...