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Although many authors believe that their work has a greater research impact if it is freely available, studies to demonstrate that impact are few. This study looks at articles in four disciplines at varying stages of adoption of open access-philosophy, political science, electrical and electronic engineering and mathematics-to see whether they have a greater im- pact as measured by citations in the ISI Web of Science database when their authors make them freely available on the Internet. The finding is that, across all four disciplines, freely available articles do have a greater research impact. Shedding light on this category of open access reveals that scholars in diverse disciplines are adopting open-access practices and being rewarded for it.

"We wanted to ask a different question," said Clifford Nass, a Stanford University cognitive scientist. "What happens to people who multitasking all the time?" In a study published Monday in the Proceedings of the National Academy of Sciences, Nass and Stanford psychologists Anthony Wagner and Eyal Ophir surveyed 262 students on their media consumption habits. The 19 students who multitasked the most and 22 who multitasked least then took two computer-based tests, each completed while concentrating only on the task at hand.

Interesting that. And scary. Hail the era of scatterbrains. I'm definetely one of them.

With the publishing industry in freefall, what is going to happen to science fiction books? I asked Tor Books senior editor and manager of SF and fantasy Patrick Nielsen Hayden. He thinks the changes coming will be slow but weird.

The Laboratory on Digital Libraries and Electronic Publishing, Department of Archives and Library Sciences, Ionian University kindly organized the 13th European Conference on Digital Libraries, which was held in the beautiful island of Corfu, Greece from September 27 to October 2, 2009. The general theme of the conference was "Digital Societies".

In this article, we propose a multi-dimensional approach to analyze argumentative knowledge construction in CSCL from sampling and segmentation of the discourse corpora to the analysis of four pro- cess dimensions (participation, epistemic, argumentative, social mode).

the traditional advertising is going down while the rise of online advertising is booming.