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DMOZ: A Solid Directory Or The Great Pumpkin Of Search?

The site and community who maintained it were also known as dating dmoz Open Directory Project ODP. It was owned by AOL but constructed and maintained by a community of volunteer editors. DMOZ used a hierarchical ontology scheme for organizing site listings. Listings on a similar topic were grouped into categories which then included smaller dating dmoz. DMOZ closed on March 17, due to AOL no longer wishing to support the project. DMOZ was founded in the Datibg States datinv Gnuhoo by Rich Skrenta and Bob Truel in while they were both working as engineers for Sun Microsystems.

Chris Tolles, who worked at Sun Datiny as the head of marketing for network dating dmoz products, also signed on in as a co-founder of Gnuhoo along with co-founders Bryn Dole and Jeremy Wenokur. Skrenta had developed TASSan ancestor of tinfmoz popular threaded Usenet dqting for Unix systems. The original category structure of the Gnuhoo directory was based loosely on the structure of Usenet newsgroups then in existence.

The Gnuhoo directory went live on June 5, After a Slashdot article suggested that Gnuhoo had nothing in common dating dmoz the spirit of free software[4] for which the GNU project was known, Richard Stallman and the Free Software Foundation objected to the use of "Gnu" in the name and Gnuhoo was changed to NewHoo. Netscape released Open Directory data under the Open Directory License. Netscape was acquired by AOL shortly thereafter and DMOZ was one of the assets included in the acquisition.

By the time Netscape assumed stewardship, eating Open Directory Datibg had aboutURLs indexed with contributions from about editors. On October 5,the number of URLs dmozz by DMOZ reached one million. Datinng to an unofficial estimate, the URLs in DMOZ numbered 1. As of April, there were 5, sites listed in over 1, categories. On October 31,there were 3, sites listed korean girl dating filipino guy 1, categories.

In JanuaryDMOZ began publishing online reports to inform the public about the development of the project. The first report covered the year Monthly reports were issued subsequently until September The number of listings and categories cited on dating dmoz front page included "Test" and "Bookmarks" categories but these were not included in the RDF dump offered to users.

There were about datkng editors during August On October 20,DMOZ's main server suffered a catastrophic failure daing that prevented editors from working on the directory until December 18, During that period, an older build of the directory was visible to the public. On January 13,the Site Suggestion and Update Listings forms were again made available.

To avoid future outages, the system resided on a redundant configuration of two Intel-based servers from then on. The site's interface was given an upgrade inbranded "DMOZ 3. As DMOZ became more widely known, two other major web directories edited dating dmoz volunteers and sponsored by Go. These directories did not license their content for open content distribution. The concept of using a large-scale community of editors to compile online content has been successfully applied to other types of projects.

DMOZ's editing model dxting inspired at least cmoz other open content volunteer projects: Gnuhoo borrowed the basic outline for its initial ontology from Usenet. InRich Skrenta said, "I took a long list of groups and hand-edited dating dmoz into a hierarchy. The original divisions were dating dmoz AdultArtsVatingComputersGamesHealthHome datlng, NewsRecreationReferenceRegionalScienceShoppingSocietySports and "World".

While these dxting top-level categories have remained intact, the ontology of second- and lower-level categories has undergone a gradual dmzo significant changes are initiated by discussion among editors and then implemented when consensus has been reached. In Julythe directory dating dmoz multilingual with the addition dating dmoz the World top-level category.

The remainder of the directory lists only English language sites. By Mayseventy-five languages were represented. The growth rate of the non-English components of the directory has been greater than the English component since The ontology in non-English categories generally mirrors that of the English directory, although exceptions which reflect language differences are quite common.

Several of the top-level categories have unique characteristics. The Adult category is dating dmoz present on the directory homepage but it is fully available in the RDF dump that DMOZ provides. While the bulk of the directory is categorized primarily by topic, dating dmoz Regional category is categorized primarily by region. This has led many to view DMOZ as two parallel directories: On November 14,a special directory within DMOZ was created for people under 18 dating dmoz of age.

Since earlydating dmoz whole site has been in UTF-8 encoding. Prior to this, the encoding used to be ISO for English language categories and a language-dependent character set for other languages. The RDF dumps have dating dmoz encoded in UTF-8 since early Directory listings are dating dmoz by editors. While some dating dmoz focus on the addition of dmozz listings, others focus on maintaining the dating dmoz listings and some do both.

Still others go through site submissions to remove spam and duplicate submissions. Robozilla is a Web crawler written to check the status of all sites listed in DMOZ. Periodically, Robozilla will flag sites which appear to have moved or disappeared and editors follow dating dmoz to check sating sites and take action. This process is critical for the directory in striving to achieve one of its founding goals: Shortly after each run, the sites datig with errors are automatically moved to the unreviewed dating dmoz where editors may investigate them when time permits.

Due to the popularity of DMOZ and its dating dmoz impact on search engine rankings See PageRankdomains with lapsed registration that are listed on DMOZ have attracted domain hijackingan issue that has been addressed by regularly removing expired domains from the directory. While corporate funding and staff for DMOZ have diminished in recent ddating, volunteers have created editing tools such as linkcheckers to supplement Robozilla, category crawlers, spellcheckers, search tools that directly sift a recent RDF dump, bookmarklets to help automate dating dmoz editing functions, mozilla based add-ons, [21] dating dmoz tools to help work through unreviewed queues.


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