Reference.com is an
online encyclopedia
An online encyclopedia, also called an Internet encyclopedia, or a digital encyclopedia, is an encyclopedia accessible through the internet. Examples include Wikipedia and ''Encyclopædia Britannica''.
Digitization of old content
In January 199 ...
that organizes content that uses a question-and-answer format. Articles are organized into hierarchical categories.
Before
IAC restructured the site following an acquisition in 2008, Reference.com comprised multiple reference works, and disclosed its sources.
History
![Reference-com logo](https://upload.wikimedia.org/wikipedia/commons/f/fc/Reference-com_logo.png)
Reference.com was launched by InReference, Inc in February 1997. The site was later acquired by Lexico Publishing Group, LLC. In 2005, Lexico announced that Reference.com would begin offering searches of
Wikipedia
Wikipedia is a multilingual free online encyclopedia written and maintained by a community of volunteers, known as Wikipedians, through open collaboration and using a wiki-based editing system. Wikipedia is the largest and most-read refer ...
content.
The popularity of
Dictionary.com
Dictionary.com is an online dictionary whose domain was first registered on May 14, 1995. The primary content on Dictionary.com is a proprietary dictionary based on ''Random House Unabridged Dictionary'', with editors for the site providing new ...
had been greatly boosted by
Google
Google LLC () is an American Multinational corporation, multinational technology company focusing on Search Engine, search engine technology, online advertising, cloud computing, software, computer software, quantum computing, e-commerce, ar ...
's practice of offering a link at the top of their search results that goes to the Dictionary.com definition. This exclusive relationship was terminated without explanation to the public when the Google links were redirected to definitions at
Answers.com
Answers.com, formerly known as WikiAnswers, is an Internet-based knowledge exchange. The Answers.com domain name was purchased by entrepreneurs Bill Gross and Henrik Jones at idealab in 1996. The domain name was acquired by NetShepard and sub ...
. (In December 2009, the Answers.com links were replaced with Google's own dictionary.) Google added a Dictionary.com definition link for certain search words in a non-exclusive relationship (along with links to definitions from a few other commercial reference websites). On 3 July 2008,
IAC acquired Lexico Publishing Group, LLC and its three properties: Thesaurus.com, Reference.com, and Dictionary.com.
Sources
Reference.com reproduces content from external sources. The site's sources include other online dictionaries, encyclopedias, and a search of terms found on other websites such as Wikipedia and the
CIA ''World Factbook''. The site can also search
Usenet
Usenet () is a worldwide distributed discussion system available on computers. It was developed from the general-purpose Unix-to-Unix Copy (UUCP) dial-up network architecture. Tom Truscott and Jim Ellis conceived the idea in 1979, and it wa ...
groups and other
mailing lists.
The encyclopedia had articles from such sources as the 2004 ''Columbia Electronic Encyclopedia'', the ''Crystal Reference Encyclopedia'', and (later) the
English Wikipedia
The English Wikipedia is, along with the Simple English Wikipedia, one of two English-language editions of Wikipedia, an online encyclopedia. It was founded on January 15, 2001, as Wikipedia's first edition, and, as of
, has the most arti ...
. Its
online dictionary
A dictionary is a listing of lexemes from the lexicon of one or more specific languages, often arranged alphabetically (or by radical and stroke for ideographic languages), which may include information on definitions, usage, etymologies, pr ...
indexed the ''
American Heritage Dictionary
American(s) may refer to:
* American, something of, from, or related to the United States of America, commonly known as the "United States" or "America"
** Americans, citizens and nationals of the United States of America
** American ancestry, p ...
'', ''
Easton's 1897 Bible Dictionary'', the
Jargon File, the ''Kernerman English Multilingual Dictionary'',
Acronym Finder, ''
Stedman's Medical Dictionary'', ''Merriam-Webster's Medical Dictionary'', the ''On-line Medical Dictionary'', and ''
WordNet
WordNet is a lexical database of semantic relations between words in more than 200 languages. WordNet links words into semantic relations including synonyms, hyponyms, and meronyms. The synonyms are grouped into '' synsets'' with short defin ...
''. Its
thesaurus
A thesaurus (plural ''thesauri'' or ''thesauruses'') or synonym dictionary is a reference work for finding synonyms and sometimes antonyms of words. They are often used by writers to help find the best word to express an idea:
Synonym dictionar ...
was based on multiple versions of ''
Roget's Thesaurus
''Roget's Thesaurus'' is a widely used English-language thesaurus, created in 1805 by Peter Mark Roget (1779–1869), British physician, natural theologian and lexicographer.
History
It was released to the public on 29 April 1852. Roget was i ...
''. The site's
web directory
A web directory or link directory is an online list or catalog of websites. That is, it is a directory on the World Wide Web of (all or part of) the World Wide Web. Historically, directories typically listed entries on people or businesses, and th ...
was an interface to the
Open Directory Project
DMOZ (from ''directory.mozilla.org'', an earlier domain name, stylized in lowercase in its logo) was a multilingual open-content directory of World Wide Web links. The site and community who maintained it were also known as the Open Directory ...
, and its
web search
Web most often refers to:
* Spider web, a silken structure created by the animal
* World Wide Web or the Web, an Internet-based hypertext system
Web, WEB, or the Web may also refer to:
Computing
* WEB, a literate programming system created by ...
feature used
Google Search
Google Search (also known simply as Google) is a search engine provided by Google. Handling more than 3.5 billion searches per day, it has a 92% share of the global search engine market. It is also the most-visited website in the world.
The ...
. An interface to
Google Translate
Google Translate is a multilingual neural machine translation service developed by Google to translate text, documents and websites from one language into another. It offers a website interface, a mobile app for Android and iOS, and an API ...
was added in 2008.
User tracking
Reference.com in 2010 topped the list compiled by ''
The Wall Street Journal
''The Wall Street Journal'' is an American business-focused, international daily newspaper based in New York City, with international editions also available in Chinese and Japanese. The ''Journal'', along with its Asian editions, is published ...
'' ranking websites by how many third-party
tracking cookies
HTTP cookies (also called web cookies, Internet cookies, browser cookies, or simply cookies) are small blocks of data created by a web server while a user is browsing a website and placed on the user's computer or other device by the user's we ...
were added to the user's computer. Reference.com added 234 tracking cookies when encountering a first-time user.
References
{{IAC
Online English dictionaries
American websites
Websites which mirror Wikipedia
IAC (company)
Internet properties established in 1997
Thesauri (lexicography)