Gunrock: Building A Human-Like Social Bot By Leveraging Large Scale Real User Data (Alexa Prize 2018)

- 6 mins

Abstract

1. Introduction

3. Architecture

3.1 System Overview

figure1

3.2 Automatic Speech Recognition

3.3 Natural Language Understanding

3.3.1 Sentence Segmentation

3.3.2 Noun Phrase Extraction

3.3.3 Entity Recognition

3.3.4 Coreference Resolution

3.3.5 ASR Correction

3.3.6 Dialog Act Prediction

3.3.7 Topic Expansion

3.4 Dialog Management

3.4.1 High-Level System Dialog Management

3.4.2 Low Level Dialog Management

3.5 Knowledge Base

3.6 Natural Language Generation (NLG)

4. An Example Dialog

table1

5. Results ans Analysis

5.1 Module Performance Analysis

5.1.1 Topic level analysis

table2

5.1.2 Lexical analysis

figure5

5.2 Dialog Strategy Effectiveness

5.2.1 Acknowledgement with Knowledge Graph reasoning

figure6

5.3 System Latency

6. Visualization Tool

figure8

7. Conclusion

8. Future Work

Joohong Lee

Joohong Lee

Machine Learning Researcher

rss facebook twitter github youtube mail spotify instagram linkedin google pinterest medium