Google Scholar, which was scheduled to go online Wednesday evening at scholar.google.com, is a result of the company's collaboration with a number of scientific and academic publishers and is intended as a first stop for researchers looking for scholarly literature like peer-reviewed papers, books, abstracts and technical reports.
"Google's scientific search service is a significant step forward," said Danny Sullivan, editor of SearchWatchEngine, an online newsletter. He was quick to add, however, that Google was certain to have competition soon from Yahoo and others. "We will continue to see an explosion of vertical search engines like this," he said of search services that focus on special collections.
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Google Scholar (Beta) が登場
Google Plans New Service for Scientists and Scholars (from NYT) Google Scholoar : http://scholar.google.com/