core + bib (Bibliographic Extension): terms relating to books and bibliography.

acceptedAnswer

Canonical URL: http://schema.org/acceptedAnswer

Thing > Property > suggestedAnswer > acceptedAnswer

The answer that has been accepted as best, typically on a Question/Answer site. Sites vary in their selection mechanisms, e.g. drawing on community opinion and/or the view of the Question author.

Usage: Between 1000 and 10,000 domains
Values expected to be one of these types
Answer
Used on these types
Question
Super-properties
suggestedAnswer

Schema Version 3.3