Sunday 20 February 2011

Technology

Before the emergence of the World Wide Web for information browsing, Microsoft recognized the importance of having an engine that supported a multimedia markup language, full text search, and extensibility using software objects. The hypertext display, hyperlinking and search software was created by a team of CD-ROM Division developers in the late 1980s who designed it as a generalized engine for uses as diverse as interactive help, document management systems and as ambitious as a multimedia encyclopedia. Encarta was able to use various Microsoft technologies because it was extensible with software components for displaying unique types of multimedia information. For example, a snap in map engine is adapted from its MapPoint software. More information on the hypertext and search engine used by Encarta may be found in the Microsoft Bookshelf article.

Unlike Microsoft Office, Encarta disc version only supports Microsoft Windows with Microsoft's Internet Explorer. Encarta 98 was the last version to be released for the Macintosh. However, people who use other operating systems may still access Encarta's website.

Encarta uses database technologies to generate much of its multimedia content. For example, Encarta generates each zoomable map from a global geographic information system database on demand.

When a user uses the copy and paste function of Microsoft Windows on Encarta on more than five words, Encarta automatically appends a copyright boilerplate message after the paste.
User editing

Early in 2005, the online Encarta started to allow users to suggest changes to existing articles.[24] Articles were not immediately updated. Instead, user feedback was submitted to Encarta's editors for review, copyediting, and approval.[25] Contributors were not paid for their submissions.[26]
Chatbot

Encarta's content was accessible using a conversational interface on Windows Live Messenger via the MSN Bot "Encarta Instant Answers".[27] The bot could answer many encyclopedia related questions directly in the IM window. It used short sentences from the Encarta website, and sometimes displays full articles in the Internet Explorer-based browser on the right. It also could complete simple mathematical and advanced algebra problems. This service was also available in German,[28] Spanish,[29] French[30] and Japanese.[31]
Updates

Each summer, Microsoft published a new version of Encarta. However, despite the inclusion of news-related and some supplementary articles, Encarta's contents had not been changed substantially in its later years. Besides the yearly update, the installed offline copy could be updated over the Internet for a certain period for free depending on the edition. Some articles (usually about 2000) were updated to reflect important changes or events. When the update period expired, an advertisement prompting to upgrade to the new version was displayed to the user occasionally.

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