Challenge questions are an increasingly important part of mainstream authentication solutions, yet there are few published studies concerning their usability or security. This pap...
We introduce an answer typing strategy specific to quantifiable how questions. Using the web as a data source, we automatically collect answer units appropriate to a given how-q...
: Question answering systems have proven to be helpful to users because they can provide succinct answers that do not require users to wade through a large number of documents. How...
Jimmy J. Lin, Dennis Quan, Vineet Sinha, Karun Bak...
Abstract. Question answering systems aim to meet users' information needs by returning exact answers in response to a question. Traditional open domain question answering syst...
Community-based question answering (cQA) services have accumulated millions of questions and their answers over time. In the process of accumulation, cQA services assume that ques...