We investigate the causal effect of tweets on product demand using variation in microblogging caused by a partial block of the Chinese microblogging platform Sina Weibo due to political events. We analyze the effect of the activity decrease due to the block on viewership of a large set of TV shows that rely on Sina Weibo as an advertising platform. Using a set of difference-in-difference regres...

With the rapid growth of users in social networking services, data is generated in thousands of terabytes every day. Practical frameworks for data extraction from social networking sites have not been well investigated yet. In this paper, a methodology for data extraction with respect to Sina Weibo is discussed. In order to design a proper method for data extraction, the properties of complex n...

There was a mistake in the name of affiliation. It is written Bu Ali-Sina university, but it must be Bu-Ali Sina University ( place of).

University at Buffalo, University of Colorado, Denver, Icahn School of Medicine at Mount Sina

The patient presented herein, is a 29-yearold man with history of unilateral alkaline chemical injury 14 years ago. Upon referral, visual acuity was 20/20 and the examination was unremarkable in the right eye. Vision was hand motions (HM) in his left eye and a small angle exotropia (10-15 Prism Diopters) was evident. Slitlamp examination revealed severe corneal opacification and vascularization...

The advent of technology has facilitated the development of networked systems of extremely small, low power devices that combine programmable general purpose computing with multiple sensing and wireless communication capability. This networked system of pro-grammable sensor nodes, together form a sensor network , poses unique challenges on how information collected by and stored within the sens...