Investigation of Error Simulation Techniques for Learning Dialog Policies for Conversational Error Recovery

no code implementations • 8 Nov 2019 • Maryam Fazel-Zarandi, Longshaokan Wang, Aditya Tiwari, Spyros Matsoukas

Training dialog policies for speech-based virtual assistants requires a plethora of conversational data.

Automatic Speech Recognition Automatic Speech Recognition (ASR) +1

Data Augmentation for Training Dialog Models Robust to Speech Recognition Errors

no code implementations • WS 2020 • Longshaokan Wang, Maryam Fazel-Zarandi, Aditya Tiwari, Spyros Matsoukas, Lazaros Polymenakos

Speech-based virtual assistants, such as Amazon Alexa, Google assistant, and Apple Siri, typically convert users' audio signals to text data through automatic speech recognition (ASR) and feed the text to downstream dialog models for natural language understanding and response generation.

Automatic Speech Recognition Automatic Speech Recognition (ASR) +4

Joint Turn and Dialogue level User Satisfaction Estimation on Multi-Domain Conversations

no code implementations • Findings of the Association for Computational Linguistics 2020 • Praveen Kumar Bodigutla, Aditya Tiwari, Josep Valls Vargas, Lazaros Polymenakos, Spyros Matsoukas

Dialogue level quality estimation is vital for optimizing data driven dialogue management.

Dialogue Management Management

Deep Geospatial Interpolation Networks

no code implementations • 15 Aug 2021 • Sumit Kumar Varshney, Jeetu Kumar, Aditya Tiwari, Rishabh Singh, Venkata M. V. Gunturi, Narayanan C. Krishnan

Spatio-Temporal interpolation is highly challenging due to the complex spatial and temporal relationships.