Text and Data Mining valid from 2019-03-08
First Online: 8 March 2019
Compliance with ethical standards
: During our research, we suffered a lot from the lack of a public dataset. Thus, we do not have a benchmark to compare our algorithm with others. A public dataset may help other researchers working on similar projects as ours. So we decide to share our raw data for experimental work.
: The authors declare that they have no conflict of interest.