Earlier quoted context omitted.
We have a strict set of criteria when rating a review as positive or negative. In general, if the review is even slightly negative we rate it as such...in the case of Moonwalking, NYT expresses a few disappointments about the book. This is to help surface only the very best of books in each genre.
Any review of sufficient length and thoroughness is likely to include at least some criticism, if for no other reason than the reviewer not wanting to look like a cheerleader. The NYT often selects reviewers with relevant domain knowledge, or who are themselves authors in a related genre. So opinions will be expressed, hobbyhorses ridden, and nits picked, even in glowing reviews. You should be careful to avoid settin…
Re: Show HN: A RottenTomatoes for Books
#91The idea of a binary positive vs negative is really troubling to me as far as an algorithm goes. It should very much be on that sliding scale that Metacritic or Rotten Tomatoes uses--sentiment analysis shouldn't return just a 1 or a 0.