I have replaced the stub page for hReview-aggregate with a draft spec
describing the microformat that was decided on early this year.
hReview-aggregate is meant to complement hReview -- using
hReview-aggregate, summary information about a collection of user
reviews can be marked up such as the average rating and the number of
reviews available about an item. The wiki page is here:
http://microformats.org/wiki/hreview-aggregate
I have also updated the brainstorming page with a proposal to address
one of the issues raised -- that users can leave a rating without
writing a review. The current hreview-aggregate draft has a single
property called "count" that is used to specify the number of reviews
for a particular product or service. However, many sites have some
number of votes (where users specify a numerical rating or a thumbs
up/thumbs down vote) contributing to an average rating and a smaller
number of full user reviews.
The brainstorming page is here:
http://microformats.org/wiki/aggregate-review-brainstorming
The brainstorming page contains a section (called "Reviews vs
ratings") describing a suggested proposal as well as one possible
alternative. The suggested proposal is to add a new property called
"votes" to allow websites to specify a number of user votes separately
from the number of reviews (using the existing property "count").
Happy to hear feedback on this and update the draft accordingly.
Kavi
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Hi Kavi, I've reviewed the hreview-aggregate page and it is an
excellent first draft.
Thanks very much for writing this up.
> I have also updated the brainstorming page with a proposal to address
> one of the issues raised -- that users can leave a rating without
> writing a review. The current hreview-aggregate draft has a single
> property called "count" that is used to specify the number of reviews
> for a particular product or service. However, many sites have some
> number of votes (where users specify a numerical rating or a thumbs
> up/thumbs down vote) contributing to an average rating and a smaller
> number of full user reviews.
>
> The brainstorming page is here:
> http://microformats.org/wiki/aggregate-review-brainstorming
Do you have documentation of real-world examples of sites that
separately publish number of votes/ratings and reviews?
We should collect URLs to those examples in the
aggregate-review-examples page to make sure we are
modeling/brainstorming/proposing something that is designed
specifically for what is actually published today.
http://microformats.org/wiki/aggregate-review-examples
Thanks,
Tantek
Per your suggestion, I've added several examples of sites that have
separate counts for the number of ratings/votes and the number of
reviews. The examples are here:
http://microformats.org/wiki/aggregate-review-examples#Ratings_without_reviews_examples
And to re-iterate the problem and proposal -- it's valuable to be able
to differentiate between the number of reviews on a page vs the number
of votes that contribute towards an average rating. For example, a
page with 4 reviews is much more interesting than a page with 4 votes
and 0 reviews. We'd like to extend the hreview-aggregate schema to
include some method of differentiating these two different counts. The
proposal is to add a new property called "votes"; more details are
here:
http://microformats.org/wiki/aggregate-review-brainstorming#Reviews_vs_ratings
As before I'm happy to hear feedback on the proposal or any alternatives.
Kavi
Proposal:
http://microformats.org/wiki/aggregate-review-brainstorming#Reviews_vs_ratings
Motivating examples:
http://microformats.org/wiki/aggregate-review-examples#Ratings_without_reviews_examples
I'm planning on updating the hreview-aggregate draft within the next few days.
Kavi
I've updated the hreview-aggregate draft spec to version 0.2 and
included the new property "votes." You can see the draft here:
http://microformats.org/wiki/hreview-aggregate
Best,
Kavi