CiteSeer Publications ResearchIndex in Scientific Literature Digital Library of Computer Science Papers NEC Research Institute 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.
KartOO is a metasearch engine with visual display interfaces. When you click on OK, KartOO launches the query to a set of search engines, gathers the results, compiles them and represents them in a series of interactive maps through a proprietary algorithm
LookSmart´s FindArticles - search and read 3.5 million articles from over 700 publications. Search articles for free at FindArticles.com, a searchable online archive of quality magazine and journal content. The main topics are Arts & Entertainment; Automotive; Business & Finance, Computers & Technology; Health & Fitness; Home & Family; News & Society; Reference & Education; Sports.
NatureServe was formed in July 1999. NatureServe is a non-profit organization dedicated to developing and providing information about the world´s plants, animals, and ecological communities. NatureServe works in partnership with 85 independent Natural Heritage programs and Conservation Data Centers that gather scientific information on rare species and ecosystems in the United States, Latin America, and Canada (the Natural Heritage Network). NatureServe is a leading source for the biodiversity information that is essential for effective conservation action.
A source for authoritative conservation information on more than 50,000 plants, animals, and ecological communities of the United States and Canada. NatureServe Explorer provides in-depth information on rare and endangered species, but includes common plants and animals too. You can easily search NatureServe Explorer to find:
A service of the National Library of Medicine. FREE access to full-text in some journals. Links to over 11 million citations from MEDLINE and additional life science journals. Links to many sites providing full text articles and other related resources.
Powerful Internet search engine designed for scientists by Elsevier Science.
The Main distinctions of Scirus from existing search engines are:
Search through subdirectories of Yahoo! Directory (links obtained by robots) and (with Google) sites not included into the Directory. Search may be limited by certain domains, regions, and languages.
Search in Russian — see at appropriate Russian page
Displayed conveniently in the Internet Explorer browser window, the new toolbar gives users quick and easy access to Scirus and provides fast and efficient navigation of the Website. Users can link directly to the homepage or to another area of the site. A text box is provided so that users can run a search directly from the toolbar. Users can use the Search Engine Selector to choose the engine that suits the requirements of the search with the option of narrowing the search to Scirus, Web or journal sources.
