E-learning management systems allow students to ask open questions in its forums. Can we apply state of the art question answering techniques to automatically supply students with useful answers ? are there any limitations for Q/A in Education?
Some time yes,. Some time No. The reason for the answer is Depending on the student's back ground and their maturity . Further it depends on current purpose of that student specially the examination method and mode they are preparing for
Can general Q/A systems give useful answers to students questions?
Yes. For example, giving your own question to Google, it suggests
(and uses) an "&" in place of your "/" (=OR). This is the first
thing a lecturer has to do: read past the typing and grammatical
errors BEFORE trying to answer the question. Google also saw that you left out an apostrophe in "students", but this did not worry it.
Next Google strips out the essence of your question = "Question_answering", to obtain the keyphrase that will unlock common doors of knowledge.
Then, high on the list of returned possibilities, Google suggests
a best-guess, general answer from a very useful database (Wikipedia), to get rid of common questions. After all, 80% of the questions need a simple answer. (This article can serve as your cited introduction to a paper.)
Finally, if your question is not answered, you can switch to Google Scholar, giving it the same string, to get more technical information, which a lecturer would previously have dug out from his photocopies stored in his bottom filing drawer. (These references act as the student's reading list.) Google (and Scholar) have now satisfied 99% of the students.
The residual 1% of students need to get an E-mailed answer from the lecturer (or RG!), based on experience in industry and on common student misconceptions.
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