A User-friendly Image-Text Fusion CAPTCHA for Secure Web Services. - Yeonchan Ahn; Namsoo Kim; Yoo-Sung Kim (iiWAS, 2013)

A heterogeneous graph-based recommendation simulator. - Yeonchan Ahn; Sungchan Park; Sangkeun Lee 001; Sang-goo Lee (RecSys, 2013)

Consensus Similarity Measure for Short Text Clustering. - Youhyun Shin; Yeonchan Ahn; Heesik Jeon; Sang-goo Lee (DEXA Workshops, 2015)

Exploiting synonymy to measure semantic similarity of sentences. - Youhyun Shin; Yeonchan Ahn; Hyuntak Kim; Sang-goo Lee (IMCOM, 2015)

Quote Recommendation for Dialogs and Writings. - Yeonchan Ahn; Hanbit Lee; Heesik Jeon; Seungdo Ha; Sang-goo Lee (CBRecSys@RecSys, 2016)

Quote Recommendation in Dialogue using Deep Neural Network. - Hanbit Lee; Yeonchan Ahn; Haejun Lee; Seungdo Ha; Sang-goo Lee (SIGIR, 2016)

Exploiting Text Matching Techniques for Knowledge-Grounded Conversation. - Yeonchan Ahn; Sang-Goo Lee; Jaehui Park (IEEE Access, 2020)

Retrieval-Augmented Response Generation for Knowledge-Grounded Conversation in the Wild. - Yeonchan Ahn; Sang-Goo Lee; Junho Shim; Jaehui Park (IEEE Access, 2022)