Microsoft Academic Search is a free academic search engine developed by Microsoft Research Asia, and it is also a test-bed for our object-level vertical search research. Driven by the latest search engine technology, Microsoft Academic Search enables users to not only find papers but to discover more information that goes beyond simple query results." With Microsoft Academic Search, you can:* Locate top research papers* Find top scientists, conferences, and journals in a specific field
http://academic.research.microsoft.com/