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Encyclopædia Britannica

The Encyclopædia Britannica is a general English-language encyclopaedia published by Encyclopædia Britannica, Inc., a privately held company. The articles in the Britannica are aimed at educated adult readers, and written by a staff of about 100 full-time editors and over 4,000 expert contributors. It is widely perceived as the most scholarly of encyclopaedias.

Experts-Exchange

Experts-Exchange (EE), founded in 1996, is a collaboration platform for information technology professionals, designed to address specific areas of situation-based knowledge. It's an online "ask an expert" site for computer related questions. The free access is limited (see below) while fee-based premium service is available without such limitations.

Google Maps

Google Maps (for a time named Google Local) is a free web mapping service application and technology provided by Google that powers many map-based services including the Google Maps website, Google Ride Finder and embedded maps on third-party websites via the Google Maps API. It offers street maps, a route planner, and an urban business locator for numerous countries around the world. A related product is Google Earth, a standalone program for Microsoft Windows, Mac OS X, and Linux which offers more globe-viewing features.

Internet Archive

The Internet Archive (IA) is a nonprofit organization dedicated to maintaining an on-line library and archive of Web and multimedia resources. Located at the Presidio in San Francisco, California, this archive includes "snapshots of the World Wide Web" (archived copies of pages, taken at various points in time), software, movies, books, and audio recordings. To ensure the stability and endurance of the archive, IA is mirrored at the Bibliotheca Alexandrina in Egypt, the only library in the world with a mirror. The IA makes the collections available at no cost to researchers, historians, and scholars. It is a member of the American Library Association and is officially recognized by the State of California as a library.

Investopedia.com

Investopedia (Investopedia.com) is one of the Internet's largest sites devoted entirely to investing education. The site was started in by Cory Janssen and Cory Wagner in June 1999 at the height of the internet stock boom as an unbiased source to learn about investing. Based in the city of Edmonton in Alberta, Canada, the site has grown to become a well-respected source for financial information.

Library of Congress

The Library of Congress is the de facto national library of the United States and the research arm of the United States Congress. Located in three buildings in Washington, D.C., it is the largest by shelf space and one of the most important libraries in the world. Its collections include more than 32 million catalogued books and other print materials in 470 languages; more than 61 million manuscripts; the largest rare book collection in North America, including the rough draft of the Declaration of Independence, a Gutenberg Bible (one of only four perfect vellum copies known to exist); over 1 million US Government publications; 1 million issues of world newspapers spanning the past three centuries; 33,000 bound newspaper volumes; 500,000 microfilm reels; over 6,000 comic book titles; the world's largest collection of legal materials; films; 4.8 million maps; sheet music; 2.7 million sound recordings; more than 13.7 million Prints & Photographs images including fine and popular art pieces and architectural drawings; the Betts Stradivarius; and the Cassavetti Stradivarius. The head of the Library is the Librarian of Congress, currently James H. Billington.

MapQuest

MapQuest is a map publisher and a free online Web mapping service owned by AOL. The company was founded in 1967 as Cartographic Services, a division of R.R. Donnelley & Sons in Chicago, Illinois. It moved to Lancaster, Pennsylvania in 1969. When it became an independent company in 1994, it was renamed GeoSystems Global Corporation. MapQuest was acquired in 2000 by America Online, Inc. Company headquarters are in Lancaster and Denver, Colorado.

Merriam-Webster

Merriam-Webster, originally known as the G. & C. Merriam Company of Springfield, Massachusetts, is a United States company that publishes reference books, especially dictionaries that are descendants of Noah Webster's An American Dictionary of the English Language (1828). It is a subsidiary of Encyclopædia Britannica, Inc.

Questia Online Library

Questia is an online commercial digital library of books and articles with an academic orientation. It claims to be "the world's largest online collection of books and journal articles in the humanities and social sciences." Questia offers some information for free, including several public domain works, publication information, tables of contents, the first page of every chapter, Boolean searches of the contents of the library, and short bibliographies of available books and articles on some 6500 topics. Most of their collection is under copyright, with Questia licensed to carry it on their website.

Reference.com

Reference.com is an online information source (encyclopedia, dictionary, thesaurus, etc.) produced by Lexico Publishing Group, LLC. In mid-2007, it typically ranked in the mid-200s among the most popular sites on the Internet.

United States Department of Education

The United States Department of Education (also referred to as ED, for Education Department) is a Cabinet-level department of the United States government. Created by the Department of Education Organization Act (Public Law 96-88), it was signed into law by President Jimmy Carter on October 17, 1979 and began operating on May 4, 1980.

United States National Library of Medicine

The United States National Library of Medicine (NLM), operated by the United States federal government, is the world's largest medical library. The collections of the National Library of Medicine include more than seven million books, journals, technical reports, manuscripts, microfilms, photographs, and images on medicine and related sciences including some of the world's oldest and rarest works.

Urban Dictionary

Urban Dictionary is an online web dictionary whose definitions are written by some of its users. Because it is edited by users, it also tends to feature recent neologisms and Internet memes, and its definitions can vary widely in quality. Other users can rank these definitions, making the more popular (and thus, supposedly, more useful) definitions appear first.

WhitePages.com

WhitePages.com is the No. 1 online People Search destination, with more than 180 million people searchable in our databases. Our goal is to bring you the most comprehensive, relevant people search experience possible.

Wikipedia

Wikipedia (pronunciation ) is a free, multilingual, open content encyclopedia project operated by the United States-based non-profit Wikimedia Foundation. Its name is a portmanteau of the words wiki (a technology for creating collaborative websites) and encyclopedia. Launched in 2001 by Jimmy Wales and Larry Sanger, it is currently the largest, fastest-growing, and most popular general reference work on the Internet. Wikipedia is a project that attempts to summarize all of human knowledge.

Wiktionary

Wiktionary (a portmanteau of wiki and dictionary) is a multilingual, Web-based project to create a free content dictionary, available in over 151 languages. Unlike standard dictionaries, it is written collaboratively by volunteers using wiki software, allowing articles to be changed by almost anyone with access to the Web site.

World Wide Web Consortium

The World Wide Web Consortium (W3C) is the main international standards organization for the World Wide Web (abbreviated WWW or W3). It is arranged as a consortium where member organizations maintain full-time staff for the purpose of working together in the development of standards for the W3. As of February 2008, the W3C had 434 members.

Yellowpages.com

Yellowpages.com is an Internet web site operated by YELLOWPAGES.COM LLC, a wholly owned subsidiary of AT&T. The company has been recognized as one of the top sources of online advertisements.