seo,semantic-web,,microdata,google-rich-snippets , Child properties of property

Child properties of property


Tag: seo,semantic-web,,microdata,google-rich-snippets

I've been trying to figure out this riddle from a day now. Lets say that we have a TV Episode as following,

<main itemscope itemtype="">
      <a itemprop="url" href="self.html">
          Pokemon - <span itemprop="episodeNumber">88</span>
    <h2 itemprop="name">In the Pink</h2>
    <p>Source: <span itemprop="partOfSeries">Pokemon</span>
               <span itemprop="partOfSeason">Orange Islands</span>

Now the problem here is that I'm unable to add the 'sameAs' property of 'partOfSeries' here. If I add an anchor with 'sameAs' property inside 'partOfSeries', Google Structured-data Testing Tool says it cant find the sameAs property. And I don't know anyway else to do it. The same is correct for 'seasonNumber' which is a child of 'partOfSeason'. If you could help out with the 'potentialAction' property too, that would be awesome. Thank you


The partOfSeason property expects a value of the Season type.
The partOfSeries property expects a value of the Series type.
You are giving a text value in both cases.

This is not wrong (just not recommended), but with a text value it’s not possible to give additional data about the season/series.

In the Microdata syntax, you’d have to create a new item with the itemscope attribute and give its type with the itemtype attribute:

<span itemprop="partOfSeries" itemscope itemtype="">
  <span itemprop="name">Pokemon</span>

<span itemprop="partOfSeason" itemscope itemtype="">
  <span itemprop="name">Orange Islands</span>

(Because simple text inside of an item is not considered to be a Microdata value, you have to use a property for everything you want to associate with the item, i.e,’s name in this case.)

Now you can add additional properties that only apply to their parents (Series/Season), not to the TVEpisode:

<span itemprop="partOfSeries" itemscope itemtype="">
  <span itemprop="name">Pokemon</span>
  <link itemprop="sameAs" href=""/>

<span itemprop="partOfSeason" itemscope itemtype="">
  <span itemprop="name">Orange Islands</span>
  <link itemprop="sameAs" href=""/>

Side notes about your example:


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