I noticed that most Amazon products have their ratings shown on the Google search page. Is there a semantic standard that controls that? I heard of microformats, but that doesn't seem right.

asked 07 Apr '11, 07:55

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picardo
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Rich snippets may be used to extend your product pages with structured information about ratings, prices and the like, though large merchants like Amazon are more likely to submit them as a product feed.

Among other options, which include microfomats, rich snippets may be expressed semantically by means of RDFa annotations, using one of the supported vocabularies for products and reviews. Use the Rich Snippets Testing Tool to see how the annotated page may appear in search results. Note, however, that rich snippets are displayed selectively according to the originating location of the search.

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answered 07 Apr '11, 13:38

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AB
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edited 07 Apr '11, 13:41

The standard for displaying rich snippets can be found at http://schema.org/ This standard is valid for all major search engines including Google, Bing, Yandex, Yahoo. Here is the starting point.

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answered 15 Nov '12, 04:51

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tiberiug
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you might have a look at GoodRelations which is also a largely used ontology if I am not mistaken.

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answered 16 Nov '12, 01:49

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Fabian Cretton
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question asked: 07 Apr '11, 07:55

question was seen: 5,955 times

last updated: 16 Nov '12, 01:49