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In recent years, large language models (LLMs) have rapidly proliferated and have been utilized in various tasks, including research in dialogue systems. We aimed to construct a system that not only leverages the flexible conversational…

Computation and Language · Computer Science 2023-12-25 Katsumasa Yoshikawa , Takato Yamazaki , Masaya Ohagi , Tomoya Mizumoto , Keiya Sato

Gunrock is the winner of the 2018 Amazon Alexa Prize, as evaluated by coherence and engagement from both real users and Amazon-selected expert conversationalists. We focus on understanding complex sentences and having in-depth conversations…

There has recently been an explosion of work on spoken dialogue systems, along with an increased interest in open-domain systems that engage in casual conversations on popular topics such as movies, books and music. These systems aim to…

Computation and Language · Computer Science 2021-10-22 Marilyn Walker , Colin Harmon , James Graupera , Davan Harrison , Steve Whittaker

We investigate the task of building a domain aware chat system which generates intelligent responses in a conversation comprising of different domains. The domain, in this case, is the topic or theme of the conversation. To achieve this, we…

Computation and Language · Computer Science 2017-08-04 Sajal Choudhary , Prerna Srivastava , Lyle Ungar , João Sedoc

The applicability of common sentiment analysis models to open domain human robot interaction is investigated within this paper. The models are used on a dataset specific to user interaction with the Alana system (a Alexa prize system) in…

Artificial Intelligence · Computer Science 2021-07-19 Mohamad Alissa , Issa Haddad , Jonathan Meyer , Jade Obeid , Nicolas Wiecek , Sukrit Wongariyakavee

To hold a true conversation, an intelligent agent should be able to occasionally take initiative and recommend the next natural conversation topic. This is a challenging task. A topic suggested by the agent should be relevant to the person,…

Computation and Language · Computer Science 2020-05-29 Ali Ahmadvand , Harshita Sahijwani , Eugene Agichtein

As conversational AI-based dialogue management has increasingly become a trending topic, the need for a standardized and reliable evaluation procedure grows even more pressing. The current state of affairs suggests various evaluation…

Computation and Language · Computer Science 2020-06-12 Sarah E. Finch , Jinho D. Choi

Beyond mere formality, small talk plays a pivotal role in social dynamics, serving as a verbal handshake for building rapport and understanding. For conversational AI and social robots, the ability to engage in small talk enhances their…

Robotics · Computer Science 2024-12-25 Rebecca Ramnauth , Dražen Brščić , Brian Scassellati

The problem of detecting bots, automated social media accounts governed by software but disguising as human users, has strong implications. For example, bots have been used to sway political elections by distorting online discourse, to…

Artificial Intelligence · Computer Science 2018-09-27 Sneha Kudugunta , Emilio Ferrara

We present the second version of the Open Assistant Toolkit (OAT-v2), an open-source task-oriented conversational system for composing generative neural models. OAT-v2 is a scalable and flexible assistant platform supporting multiple…

Information Retrieval · Computer Science 2024-03-04 Sophie Fischer , Federico Rossetto , Carlos Gemmell , Andrew Ramsay , Iain Mackie , Philip Zubel , Niklas Tecklenburg , Jeffrey Dalton

The capacity for highly complex, evidence-based, and strategically adaptive persuasion remains a formidable great challenge for artificial intelligence. Previous work, like IBM Project Debater, focused on generating persuasive speeches in…

Computation and Language · Computer Science 2025-11-25 Allen Roush , Devin Gonier , John Hines , Judah Goldfeder , Philippe Martin Wyder , Sanjay Basu , Ravid Shwartz Ziv

A chatbot is an intelligent software application that automates conversations and engages users in natural language through messaging platforms. Leveraging artificial intelligence (AI), chatbots serve various functions, including customer…

Computation and Language · Computer Science 2025-01-03 Lamya Benaddi , Charaf Ouaddi , Adnane Souha , Abdeslam Jakimi , Mohamed Rahouti , Mohammed Aledhari , Diogo Oliveira , Brahim Ouchao

The following contribution introduces a concept that employs Large Language Models (LLMs) and a chatbot interface to enhance SPARQL query generation for ontologies, thereby facilitating intuitive access to formalized knowledge. Utilizing…

Information Retrieval · Computer Science 2024-10-18 Jonathan Reif , Tom Jeleniewski , Milapji Singh Gill , Felix Gehlhoff , Alexander Fay

We present a knowledge-grounded dialog system developed for the ninth Dialog System Technology Challenge (DSTC9) Track 1 - Beyond Domain APIs: Task-oriented Conversational Modeling with Unstructured Knowledge Access. We leverage transfer…

Computation and Language · Computer Science 2021-06-29 Weijie Zhang , Jiaoxuan Chen , Haipang Wu , Sanhui Wan , Gongfeng Li

Robot-moderated group discussions have the potential to facilitate engaging and productive interactions among human participants. Previous work on topic management in conversational agents has predominantly focused on human engagement and…

Robotics · Computer Science 2025-04-04 Georgios Hadjiantonis , Sarah Gillet , Marynel Vázquez , Iolanda Leite , Fethiye Irmak Dogan

This paper describes a personality-adaptive multimodal dialogue system developed for the Dialogue Robot Competition 2022. To realize a dialogue system that adapts the dialogue strategy to individual users, it is necessary to consider the…

Human-Computer Interaction · Computer Science 2022-10-19 Tamotsu Miyama , Shogo Okada

Current conversational systems can follow simple commands and answer basic questions, but they have difficulty maintaining coherent and open-ended conversations about specific topics. Competitions like the Conversational Intelligence…

Computation and Language · Computer Science 2018-11-09 Nicolas Gontier , Koustuv Sinha , Peter Henderson , Iulian Serban , Michael Noseworthy , Prasanna Parthasarathi , Joelle Pineau

In this report, we describe the vision, challenges, and scientific contributions of the Task Wizard team, TWIZ, in the Alexa Prize TaskBot Challenge 2022. Our vision, is to build TWIZ bot as an helpful, multimodal, knowledgeable, and…

Computation and Language · Computer Science 2024-01-23 Rafael Ferreira , Diogo Tavares , Diogo Silva , Rodrigo Valério , João Bordalo , Inês Simões , Vasco Ramos , David Semedo , João Magalhães

This study focuses on emotion-sensitive spoken dialogue in human-machine speech interaction. With the advancement of Large Language Models (LLMs), dialogue systems can handle multimodal data, including audio. Recent models have enhanced the…

Sound · Computer Science 2024-07-30 Hongfei Xue , Yuhao Liang , Bingshen Mu , Shiliang Zhang , Mengzhe Chen , Qian Chen , Lei Xie

Dialogue level quality estimation is vital for optimizing data driven dialogue management. Current automated methods to estimate turn and dialogue level user satisfaction employ hand-crafted features and rely on complex annotation schemes,…

Computation and Language · Computer Science 2020-10-12 Praveen Kumar Bodigutla , Aditya Tiwari , Josep Valls Vargas , Lazaros Polymenakos , Spyros Matsoukas