[uf-discuss] hreview-aggregate -- votes vs reviews

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Kavi Goel

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Nov 11, 2009, 2:53:00 AM11/11/09
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Hi all,

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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Tantek Çelik

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Nov 11, 2009, 4:10:14 AM11/11/09
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On Tue, Nov 10, 2009 at 11:53 PM, Kavi Goel <ka...@google.com> wrote:
> Hi all,
>
> I have replaced the stub page for hReview-aggregate with a draft spec
> describing the microformat that was decided on early this year.
...
> http://microformats.org/wiki/hreview-aggregate


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

Kavi Goel

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Nov 20, 2009, 10:26:54 PM11/20/09
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Tantek, thanks for reviewing the hreview-aggregate draft.

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

Kavi Goel

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Nov 30, 2009, 5:48:22 PM11/30/09
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Just wanted to raise this topic one more time. Please let me know if
you have any feedback on the proposal to extend hreview-aggregate to
allow sites to differentiate between the number of individual reviews
there are vs the number of votes towards an aggregate rating (where a
vote may or may not have an associated individual review).

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

Kavi Goel

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Dec 16, 2009, 1:34:12 AM12/16/09
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Hi folks,

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

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