XML Schema for the News Sitemap extension. This schema defines the News-specific elements only; the core Sitemap elements are defined separately. Help Center documentation for the News Sitemap extension: http://www.google.com/support/news_pub/bin/topic.py?topic=11666 Copyright 2010 Google Inc. All Rights Reserved. The publication in which the article appears. Required. Name of the news publication. It must exactly match the name as it appears on your articles in news.google.com, omitting any trailing parentheticals. For example, if the name appears in Google News as "The Example Times (subscription)", you should use "The Example Times". Required. Language of the publication. It should be an ISO 639 Language Code (either 2 or 3 letters); see: http://www.loc.gov/standards/iso639-2/php/code_list.php Exception: For Chinese, please use zh-cn for Simplified Chinese or zh-tw for Traditional Chinese. Required. Accessibility of the article. Required if access is not open, otherwise this tag should be omitted. A comma-separated list of properties characterizing the content of the article, such as "PressRelease" or "UserGenerated". For a list of possible values, see: http://www.google.com/support/news_pub/bin/answer.py?answer=93992 Required if any genres apply to the article, otherwise this tag should be omitted. Article publication date in W3C format, specifying the complete date (YYYY-MM-DD) with optional timestamp. See: http://www.w3.org/TR/NOTE-datetime Please ensure that you give the original date and time at which the article was published on your site; do not give the time at which the article was added to your Sitemap. Required. Title of the news article. Optional, but highly recommended. Note: The title may be truncated for space reasons when shown on Google News. Comma-separated list of keywords describing the topic of the article. Keywords may be drawn from, but are not limited to, the list of existing Google News keywords; see: http://www.google.com/support/news_pub/bin/answer.py?answer=116037 Optional. Comma-separated list of up to 5 stock tickers of the companies, mutual funds, or other financial entities that are the main subject of the article. Relevant primarily for business articles. Each ticker must be prefixed by the name of its stock exchange, and must match its entry in Google Finance. For example, "NASDAQ:AMAT" (but not "NASD:AMAT"), or "BOM:500325" (but not "BOM:RIL"). Optional.