In this paper, we present a framework for facilitation robots that regulate imbalanced
engagement density in a four-participant conversation as the forth participant with proper …

A conversation robot that recognizes user's head gestures and uses its results as para-linguistic
information is developed. In the conversation, humans exchange linguistic information, …

A conversation robot which can generate a back-channel feedback appropriately to the user
is developed. The contents of these feedbacks depend on the contents of the dialogue …

This paper describes a strategy for the conversation system to take part in human-to-human
group conversation. One big characteristic of the group conversation system is that it can …

Background Only a few studies have reported long-term outcomes for endoscopic submucosal
dissection (ESD) of early gastric cancer (EGC) in elderly patients. The aim of this study …

Background/Aims To compare the diagnostic yield of 20-gauge forward-bevel core biopsy
needle (CBN) and 22-gauge needle for endoscopic ultrasound (EUS)-guided fine needle …

Appropriate response timing is very important for achieving smooth dialog progression.
Conventionally, prosodic, temporal and linguistic features have been used to determine timing. …

Background/objectives A clear criterion for terminating endoscopic ultrasound fine needle
aspiration (EUS-FNA) without rapid on-site evaluation (ROSE) has not been established. …

As a new type of application of the conversation system, a robot activating other parties’
communications has been developed. The robot participates in a quiz game with other …

A conversational system which can generate back-channel feedback of proper content in
proper timing by utilizing FST based early detectable decoder and prosody analysis is …