This paper describes machine learning based parsing and question classification for question answering. We demonstrate that for this type of application, parse trees have to be semantically richer and structurally more oriented towards semantics than what most treebanks offer. We empirically show how question parsing dramatically improves when augmenting a semantically enriched Penn treebank tr...

among the intellectual figures of france in the 20th century, pierre bourdieu has left the greatest influence on sociological studies. in this respect he may only be compared with levi strauss, except for the fact that strauss’ influence outside france has been much less and that the foundations of strauss’ thought; that is, the structural theory of social science, has long lost its power while...

Question and answering service is one of the popular services in the World Wide Web. The main goal of these services is to finding the best answer for user's input question as quick as possible. In order to achieve this aim, most of these use new techniques foe question matching. . We have a lot of question and answering services in Persian web, so it seems that developing a question matching m...

While exam-style questions are a fundamental educational tool serving variety of purposes, manual construction is complex process that requires training, experience and resources. Automatic question generation (QG) techniques can be utilized to satisfy the need for continuous supply new by streamlining their generation. However, compared automatic answering (QA), QG more challenging task. In th...