Biblioteca Digital de Literatura Científica
CiteSeer: Scientific Literature Digital Library incorporating autonomous citation indexing, awareness and tracking, citation context, related document retrieval, similar document identification, citation graph analysis, and query-sensitive document summaries. Advantages in terms of availability, coverage, timeliness, and efficiency. Lee Giles, Steve Lawrence, Kurt Bollacker, Isaac Councill.
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Educational Web is a collection of "education oriented" web links collected by our in-house staff of educational professionals.