Publisher metadata tags
Google News indexes tens of thousands of articles a day, but not all are created equal. Publishers can now use three tags to help us determine which URL we should consider the most important version of an article:
standout can be used to indicate which URL should be credited with the standout journalism behind a breaking news story.
syndication-source can be used when an article is a slight modification of another article, such as a wire story.
rel=canonical can be used when you have the exact same content in two places on your sites, and want to indicate which URL should be prefered in search results.
Please note that information conveyed by these publisher tags are requests, and are used in conjunction with other signals.
Technical implementation
The preferred method is to use linktags in the <head> element of the relevant article. For example:
<link rel="standout" href="http://www.example.com/scoop_article_100.html"/>
<link rel="syndication-source" href="http://www.example.com/wire_article_100.html"/>
<link rel="canonical" href="http://www.example.com/canonical_article_100.html"/>
When the href URL points to itself, we will interpret the linktag as a self-citation. When the href URL points to another article page, we will interpret the linktag as pointing to an external source -- in other words, as an out-citation.
Standout and syndication-source tags are also available as standard HTML metatags, which belong in the <head> element of the article page:
<meta name="syndication-source" content="http://www.example.com/wire_story_100.html" />
<meta name="standout" content="http://www.example.com/scoop_article_100.html"/>
When to use each metadata tag
Any particular article will typically have, at most, one type of these metadata tags.
standout
If your news organization breaks a big story, or publishes an extraordinary work of journalism, you can indicate this by using the standout tag. When determining whether to use this tag for your own article, consider whether that article meets the following criteria:
Your article is an original source for the story.
Your organization invested significant resources in reporting or producing the article.
The article deserves special recognition.
You haven't used standout on your own articles more than seven times in the past week.
In addition, we strongly recommend citing standout articles from other publishers when your own article draws from that standout piece of journalism. When determining whether to use this tag to cite the work of others, consider the following criteria:
The publisher's article was the original source for the story you are now reporting.
The original source invested significant resources in reporting or producing the article.
You know that the original article deserves special recognition.
If a piece draws on multiple pieces of standout work, you can use the standout tag multiple times in the header of the article. Also, citing standout articles from other publishers does not count against the limit of seven self-citations per week.
If we find sites abusing the standout tag, we may, at our discretion, either ignore that site's tags or remove the site from Google News.
syndication-source
If you are a publisher who syndicates content, such as a wire service, or you are a republisher of syndicated content, then you can use the syndication-source tag.
Scenarios:
If you publish an article and syndicate it to other sites: Use syndication-source in the <head> of your article and make the href point to the original article's URL. You can also instruct sites that republish your syndicated content to use syndication-source in the <head> of their articles, and make their href point to your original article.
If you re-publish a syndicated article: Use syndication-source in the <head> of your articles, and make your href point to the original version of the article.
If you re-publish a syndicated article, but you don't know the specific URL for the original article: Use syndication-source in the <head> of your article, and make your href point to the domain of the original publisher.
rel=canonical
If you are a publisher who often mirrors content across your collection of sites, perhaps using different formats such as PDF and HTML for the same content, then you can use the rel=canonical tag.
Source:-http://support.google.com/news/publisher/bin/answer.py?hl=en&answer=191283
Google News indexes tens of thousands of articles a day, but not all are created equal. Publishers can now use three tags to help us determine which URL we should consider the most important version of an article:
standout can be used to indicate which URL should be credited with the standout journalism behind a breaking news story.
syndication-source can be used when an article is a slight modification of another article, such as a wire story.
rel=canonical can be used when you have the exact same content in two places on your sites, and want to indicate which URL should be prefered in search results.
Please note that information conveyed by these publisher tags are requests, and are used in conjunction with other signals.
Technical implementation
The preferred method is to use linktags in the <head> element of the relevant article. For example:
<link rel="standout" href="http://www.example.com/scoop_article_100.html"/>
<link rel="syndication-source" href="http://www.example.com/wire_article_100.html"/>
<link rel="canonical" href="http://www.example.com/canonical_article_100.html"/>
When the href URL points to itself, we will interpret the linktag as a self-citation. When the href URL points to another article page, we will interpret the linktag as pointing to an external source -- in other words, as an out-citation.
Standout and syndication-source tags are also available as standard HTML metatags, which belong in the <head> element of the article page:
<meta name="syndication-source" content="http://www.example.com/wire_story_100.html" />
<meta name="standout" content="http://www.example.com/scoop_article_100.html"/>
When to use each metadata tag
Any particular article will typically have, at most, one type of these metadata tags.
standout
If your news organization breaks a big story, or publishes an extraordinary work of journalism, you can indicate this by using the standout tag. When determining whether to use this tag for your own article, consider whether that article meets the following criteria:
Your article is an original source for the story.
Your organization invested significant resources in reporting or producing the article.
The article deserves special recognition.
You haven't used standout on your own articles more than seven times in the past week.
In addition, we strongly recommend citing standout articles from other publishers when your own article draws from that standout piece of journalism. When determining whether to use this tag to cite the work of others, consider the following criteria:
The publisher's article was the original source for the story you are now reporting.
The original source invested significant resources in reporting or producing the article.
You know that the original article deserves special recognition.
If a piece draws on multiple pieces of standout work, you can use the standout tag multiple times in the header of the article. Also, citing standout articles from other publishers does not count against the limit of seven self-citations per week.
If we find sites abusing the standout tag, we may, at our discretion, either ignore that site's tags or remove the site from Google News.
syndication-source
If you are a publisher who syndicates content, such as a wire service, or you are a republisher of syndicated content, then you can use the syndication-source tag.
Scenarios:
If you publish an article and syndicate it to other sites: Use syndication-source in the <head> of your article and make the href point to the original article's URL. You can also instruct sites that republish your syndicated content to use syndication-source in the <head> of their articles, and make their href point to your original article.
If you re-publish a syndicated article: Use syndication-source in the <head> of your articles, and make your href point to the original version of the article.
If you re-publish a syndicated article, but you don't know the specific URL for the original article: Use syndication-source in the <head> of your article, and make your href point to the domain of the original publisher.
rel=canonical
If you are a publisher who often mirrors content across your collection of sites, perhaps using different formats such as PDF and HTML for the same content, then you can use the rel=canonical tag.
Source:-http://support.google.com/news/publisher/bin/answer.py?hl=en&answer=191283
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