Hwiyeol Jo

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As the first step to model emotional state of a person, we build sentiment analysis models with existing deep neural network algorithms and compare the models with psychological measurements to enlighten the relationship. In the experiments, we first examined psychological state of 64 participants and asked them to summarize the story of a book, Chronicle(More)
Remembering an event is affected by personal emotional status. We examined the psychological status and personal factors; depression (Center for Epidemiological Studies – Depression, Radloff, 1977), present affective (Positive Affective and Negative Affective Schedule, Watson et al., 1988), life orient (Life Orient Test, Scheier & Carver, 1985),(More)
In this paper, we used the RNN Encoder-Decoder (seq2seq) model in Korean conversational robot (Konvbot). As a first step of being a general conversational model, we restricted our domain to childcare situation which includes six circumstances: 1) waking up, 2) morning exercise, 3) having breakfast, 4) taking a shower, 5) wearing clothes, and 6) going to(More)
요 약 문서 분류 문제는 오랜 기간 동안 자연어 처리 분야에서 연구되어 왔다. 우리는 기존 컨볼루션 신경망을 이용했던 연구에서 더 나아가, 순환 신경망에 기반을 둔 문서 분류를 수행하였다. 순환 신경망에서는 가장 성능이 좋다고 알려져 있는 장기-단기 기억 (Long-Short Term Memory; LSTM) 신경망과 회로형 순환 유 닛(Gated Recurrent Units; GRU)을 활용하였다. 실험 결과, 분류 정확도는 Multinomial Naive Bayesian Classifier, SVM, LSTM, CNN, GRU의 순서로 나타났다. 따라서 텍스트 문서 분류 문제는 시퀀스를 고려하 는 것 보다는 문서의 feature를(More)
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