NUTKS at NTCIR-12 MobileClick2: iUnit Ranking Subtask Using Topic Model

@inproceedings{Yoshioka2016NUTKSAN,
  title={NUTKS at NTCIR-12 MobileClick2: iUnit Ranking Subtask Using Topic Model},
  author={Tatsunori Yoshioka and Takashi Yukawa},
  booktitle={NTCIR},
  year={2016}
}
In this paper, NUTKS (Nagaoka University of Technology, Knowledge Systems Laboratory) reports the results of our participation at the NTCIR-12 MobileClick task, iUnit Ranking subtask. The authors have ranked iUnit by using similarity of iUnit word distribution based on LDA topics. Our system has recorded Q-measure score as 0.7392 and nDCG@20 score as 0.6334. In baseline system, the recorded Qmeasure score is 0.7411[1]. Therefore, there is no significance difference between the baseline system… CONTINUE READING