Huang, Po-Sen, et al. "Learning deep structured semantic models for web search using clickthrough data." Proceedings of the 22nd ACM international conference on Conference on information & knowledge management. ACM, 2013.
該網絡把兩個不同的輸入映射到相同的語義空間，采用有監督學習。使用1個正樣本，4個負樣本。使用cosine計算相似度，softmax計算概率。
Shen, Yelong, et al. "Learning semantic representations using convolutional neural networks for web search." Proceedings of the 23rd International Conference on World Wide Web. ACM, 2014.
在DSSM中加入了用CNN做文本embedding。