1 SOCIAL Q&A SITESFORMULATIONS FROM THE WIKIANSWERS DATASET;SOCI...
3.1 Social Q&A Sites
formulations from the WikiAnswers dataset;
Social Q&A sites, such as Yahoo! Answers and
q
11
, q
12
, .... The original question and reformu-
AnswerBag, provide portals where users can ask
lations are subsequently combined and pooled to
their own questions as well as answer questions
obtain a parallel corpus of question reformula-
from other users.
tion pairs: {(q
1
, q
11
), (q
1
, q
12
), ..., (q
n
, q
nm
)} ∪
For our experiments we collected a dataset of
{(q
11
, q
1
), (q
12
, q
1
), ..., (q
nm
, q
n
)}. This corpus
questions and answers, as well as question refor-
contains 4,379,620 parallel pairs and will be re-
mulations, from the WikiAnswers
1