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Wikipedia Corpora

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 To Do : Create a table comparing WikiQA and SQuAD and say we are going to choose WikiQA (for the moment) WikiQA:  WikiQA is a set of question and sentence pairs, collected and annotated for research on open-domain QA. It includes questions for which there are no correct sentences, enabling researchers to work on answer triggering. WikiQA introduced the task of answer triggering and was the only answer triggering dataset. Questions type The questions are originally sampled from  Bing query logs . This corpus has 3047 questions (in raw data file   WikiQA.tsv  ). It contains both general and factoid questions.  -HOW: eg.  how did Athenians make money? how does interlibrary loan work? ( NO WHY Questions ) -What, How many, Who, when, Where etc. Date/Version  Version 1.0: August 25, 2015 Answer triggering - We propose the answer triggering task, a new challenge for the question answering problem, which requires QA s...
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Extraction Model

Extraction Model:A nswer sentence selection Due to increasing complexity in question answering, deep learning has become a popular trend in solving difficult problems. Approaches Word Count:  counts the number of non-stopwords in the question that also occur in the answer sentence.  Weighted Word Count:  re-weights the counts by the IDF values of the question words. LCLR :makes use of rich lexical semantic features, including word/lemma matching, WordNet and vector-space lexical semantic models. Convolutional Neural Network Recurrent Neural Network
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