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The Net only covers a fraction of what's out there. OAIster includes more than 25 million records representing digital resources from more than 1,100 contributors. An archive of contributed material is available on the Internet Archive website and through Yahoo! Use the Factiva database catalogue to get an impression on the coverage. Dictionaries can be very helpful in preparation of a search.

Conventional libraries are still important to find high quality information, although actual acquisition can be time consuming. OAIster records are fully accessible through World Cat.org, and will be included in World search results along with records from thousands of libraries worldwide.''Connects collections of more than 10.000 libraries worldwide with access to over 130 million items. They should be used in accordance to the Semantic Table to create proper keywords and paying attention to such things as synonyms, homonyms, spelling variations, translations, history, etc.''Dictionary Vocabulary Translation''. In Dutch, translates to and from English, Dutch, French, German and Spanish.

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Can pick 2 to 4 search engines, results will be displayed in a frame for each search engine.

Offers to search SSE (Google, Yahoo, Bing, All The Web, Ask, Cuil, and others), but also meta search engines, news SE, blogs, video, social net, and more.

''...fully searchable online database containing information on all international transfers of seven categories of major conventional weapons from 1950 to the most recent full calendar year.

It can be used to generate detailed written reports and statistical data.''Country information for all countries.

Has made a transition from a traditional search engine to (also) a question answering machine. Serial metasearcher, uses about 10 SEs by printing a floating bar on top of the original SE search screen.

Help info: Advanced search options, Advanced search keywords, Operator Precedence, the most useful help page is the Advanced Operator Reference, country, region, and language codes Although its database seems a lot smaller and outdated, Exalead's search language has much more functionalities which enables the searcher to create more complex searches: near, truncation, and search suggestions. With preview function and status information (HTTP headers) per result. Makes browsing large sets of results much faster, and the clustering may help in finding better keywords. Auto clustering by topic, author, journal title, publisher, affiliation and date. The World Wide Science Alliance, a multilateral partnership, consists of participating member countries and provides the governance structure for World Wide Science.org".

Directories are not really search engines, but mainly systematically arranged listings of links selected by humans instead of a computer program. Works surprisingly good when asking 'what is' questions. Bing is much better than any of its predecessors with many interesting features not found anywhere else. Launched May 2009, aims to provide a single source for answers to factual queries (thus not a search engine), accepts free form input and serves as a computational knowledge engine (not the traditional search engine) with an internal knowledge base instead of searching the web. Searches 14 websites a.o.: Bing, Google, Duck Duck Go, Exalead, Yahoo and Yandex. Organizes results into clusters based on related topics or similar content. With over 450 million scientific items indexed at last count, 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."Deep Web Technologies. Access to about 3.5 million documents, including patents and government data. World Wide accelerates scientific discovery and progress by providing one-stop searching of global science sources.

Can be used as an alternative for directory search. After the launch of Live as successor to MSN in 2006, and subsequent efforts to purchase Yahoo which failed, the Bing Search Engine is Microsofts new attempt to compete with Google. Works great, except for Google when the floating bar suddenly disappers. "..comprehensive scientific research tool on the web. "...global science gateway connecting you to national and international scientific databases and portals.

Lists former political parties, current political parties, royalty, prime ministers with dates and political party, some ministers and chairmen of chambers, chairman of parties. Comprehensive database of governmental institutions on the World Wide Web: parliaments, ministries, offices, law courts, embassies, city councils, public broadcasting corporations, central banks, multi-governmental institutions etc. You can submit an image to Tin Eye to find out where it came from, how it is being used, if modified versions of the image exist, or to find higher resolution versions.

Tin Eye [uses] image identification technology rather than keywords, metadata or watermarks.'' Also see Tiltomo"The Internet Assigned Numbers Authority (IANA) has authority over all number spaces used in the Internet, including IP address space.

Also, a payserver is needed that will offer the usenet binary groups with reasonable retention. Guides and step by step explanation on using binary newsgroups and on how to download files from binary newsgroups. A-list: new books, first issues and special issues of journals and annuals, as well as electronic publications, B-list: publications issued by governemental authorities (national and local), scientific institutes and similar organizations, privately published dissertations and other university-papers. Many news sources for business analyses, companies, markets etc. There are however thousands more, typically specialised in some subject.