Eccellio Science : Eccellio is a Search Engine that brings a new feature, named 'Faceted Classification', that easily allows finding
exactly what you are looking for on the Internet. It uses Google database but adds an extra level of classification that allows you to refine your search easily. Eccellio Science is
fully dedicated to students and researchers who wish to obtain results focused on science matters.
Scirus : It is the most comprehensive scientific research tool on the web. With over 370 million scientific items indexed, it allows
researchers to search for not only journal content but also scientists' homepages, courseware, pre-print server material, patents and institutional repository and website
information.
Google Scholar : Google Scholar helps you find relevant work across the world of scholarly research.
From one place, you can search across many disciplines and sources like articles, theses, books, abstracts and court opinions, from academic publishers,
professional societies, online repositories, universities and other web sites.
CORE Discovery : Core is the collection of Open Access(OA) papers. CORE harvests research papers from data providers from all over the world including institutional and subject repositories, open access and hybrid journal publishers.
