Constructability issues dataset

Ad hoc constructability issues as free-form descriptions, corresponding term-by-document matrix (TDM) and TF-iDF weighted TDM.以自由形式描述的特设可构造性问题，以及对应的词项-文档矩阵（term-by-document matrix, TDM）和经TF-iDF加权的词项-文档矩阵。