| abian added a comment. |
In T165167#4217704, @TJones wrote:... Twenty Questions, which is a guessing game where one player thinks of a thing and the guesser tries to figure out what it is with up to 20 yes/no questions. ... It seems like the hierarchy of Wikidata properties would provide a similar way to find a specific thing based on careful guessing—and guesses wouldn't have to be binary, either.
I love the idea! Although I guess that designing an effective, general 20Q on Wikidata will be a challenge. Wikidata has around 50 million items and 20 yes/no questions only let us distinguish 2^20 = 1048576 things, so we would probably have to select the most relevant items, 1% or less, in advance, and/or make the most of non-binary guesses, as you suggest. Also, the number of items having all the data to answer a certain list of 20 relevant questions may not be enough. Sadly, people often consider classes (the idea of "chair", "table", "computer", "book", "goat", etc.), while Wikidata classes have almost no useful statements for this game apart from the "subclass of" (P279) hierarchy.
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