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Hiromi Narimatsu

3 accepted papers

2024

Comparison of the Intimacy Process between Real and Acting-based Long-term Text Chats

COLING 2024main

Long-term chatbots are expected to develop relationships with users. The major trend in this field’s recent long-term chatbot studies is to train systems with virtual long-term chat data called Multi-Session Chat (MSC), which collects text chat from multiple sessions of crowd workers playing the rol…

2023

Collision Probability Matching Loss for Disentangling Epistemic Uncertainty from Aleatoric Uncertainty

AISTATS 2023poster

Two important aspects of machine learning, uncertainty and calibration, have previously been studied separately. The first aspect involves knowing whether inaccuracy is due to the epistemic uncertainty of the model, which is theoretically reducible, or to the aleatoric uncertainty in the data per se…