logo_2018/ is a scientific search engine. It started in 2005 and was developed by Deep Web Technologies. searches more than 400 scientific collections such as offers from publishers, journals, offers from research institutions and universities etc. Technically it is a so-called federated search, which allows to search different databases at the same time. The results are indexed on the basis of thematic clusters and make it possible to narrow down the search results.

Language English

Launched 2005
Closed No

Developer Deep Web Technologies

Country of Origin US America

2005 - [...] Deep Web Technologies

Topic Academic, Scientific or Educational Search engine

Region No Limitation

Technical functionalities
Search engine for databases, repositories, portals and other closed (deep web) or open content collections
Manually by an editorial team selected sites search engine
Federated Search

Used SeEn

Older Version Internet Archive / WebCite

Paula J. Hane (2009): »Originally released in 2005 as a search engine focused on providing access to publicly searchable journal literature, now boasts a greatly expanded set of searchable collections and Deep Web Technologies' next-generation federated search engine. The portal aims "to unify the World Wide Web's dispersed science to become the world's most comprehensive portal for science." Additionally, the portal seeks to make "long tail science," the very specialized science that may appear to be of limited interest, available to a larger audience through which applications may be found. Hopefully, the portal is designed to serve as a catalyst for scientific discoveries and innovative solutions. "Our goal is to make more science research available to more individuals than any other portal," says Abe Lederman, founder, president, and CTO of Deep Web Technologies. provides a single point of access to more than 400 high-quality, publicly searchable science and technology collections with a new, robust user interface specifically designed for advanced scientific research. "Featured collections" are included, which search major science search portals including,, and the E-Print Network ( also searches ScienceConferences, a portal providing access to some of the best conference proceedings, and Each of these portals returns their best 200 search results to These results are aggregated with the results returned by individual sources. « Source


Critical points

Features & Functionality


References & further Publications

Wikipedia (EN):
Wikipedia (Others): n.a.

Other Sources

Paula J. Hane (June 15, 2009): Deep Web Tech Relaunches URL:
About URL:

Created: 2017-05-02