Yahoo! Answers is a website where people post questions and answers, all of which are public to any web user willing to browse or download them. The data we have collected is a subset of the Yahoo! Answers corpus from a 10/25/2007 dump. It is a small subset of the questions, selected for their linguistic properties (for example they all start with "how {to|do|did|does|can|would|could|should}"). Additionally, we removed questions and answers of obvious low quality, i.e., we kept only questions and answers that have at least four words, out of which at least one is a noun and at least one is a verb. The final subset contains 142,627 questions and their answers. In addition to question and answer text, the corpus contains a small amount of metadata, i.e., which answer was selected as the best answer, and the category and sub-category that was assigned to this question. No personal information is included in the corpus. The question URIs were replaced with locally-generated identifiers. This dataset may be used by researchers to learn and validate answer-extraction models for manner questions. An example of such work was published by Surdeanu et al. (2008). The size of this dataset is 104 MB.

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