HHH: An Online Medical Chatbot System based on Knowledge Graph and Hierarchical Bi-Directional Attention

Code

• github.com/14H034160212/HHH-An-Online-Question-Answering-System-for-Medical-Questions
  OfficialIn papertf★ 90
• github.com/Mrzhang3389/chatbot
  none★ 94

Abstract

This paper proposes a chatbot framework that adopts a hybrid model which consists of a knowledge graph and a text similarity model. Based on this chatbot framework, we build HHH, an online question-and-answer (QA) Healthcare Helper system for answering complex medical questions. HHH maintains a knowledge graph constructed from medical data collected from the Internet. HHH also implements a novel text representation and similarity deep learning model, Hierarchical BiLSTM Attention Model (HBAM), to find the most similar question from a large QA dataset. We compare HBAM with other state-of-the-art language models such as bidirectional encoder representation from transformers (BERT) and Manhattan LSTM Model (MaLSTM). We train and test the models with a subset of the Quora duplicate questions dataset in the medical area. The experimental results show that our model is able to achieve a superior performance than these existing methods.

Tasks

Reproductions