Links . Search Engines
Ask.com
British Library Direct
Clusty
The clustering search engine.
Exalead
A novel way to preview results and refine image, video and text searches.
Google Scholar
For scholarly literature, including peer-reviewed papers, theses, books, preprints, abstracts and technical reports from all broad areas of research.
GrabAll
Comparison search engine with categories.
Intelways
Comprehensive set of search channels organised into different categories.
Ixquick
J-EAST
Search for English citations and abstracts for articles published in Japan.
KartOO
phySpy.com
The search engine for physicists. Based on the principle of neuronal networks, phySpy.com searches for and filters out just the information required.
Rollyo
Offers the ability to search the content of a list of specified websites.
Science-Search.org
For scientific searching.
Scirus
For scientific information.
Scitopia.org
Federated vertical search that lets you explore the research most cited in scholarly work and patents.
techXtra
Helps you find engineering, mathematics and computing information.
Windows Live Academic
Enables searching for peer reviewed journal articles contained in journal publisher portals and on the web in locations like CiteSeer.
WorldWideScience.org
Global science gateway: accelerating scientific discovery and progress through a multilateral partnership to enable federated searching of national and international scientific databases.
Zibb
Business to business search engine.