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Evaluation of conversational naturalness is essential for developing human-like speech agents. However, existing speech naturalness predictors are often designed to assess utterances from a single speaker, failing to capture…

Audio and Speech Processing · Electrical Eng. & Systems 2026-03-03 Anfeng Xu , Yashesh Gaur , Naoyuki Kanda , Zhicheng Ouyang , Katerina Zmolikova , Desh Raj , Simone Merello , Anna Sun , Ozlem Kalinli

Using personalized explanations to support recommendations has been shown to increase trust and perceived quality. However, to actually obtain better recommendations, there needs to be a means for users to modify the recommendation criteria…

Computation and Language · Computer Science 2022-01-13 Diego Antognini , Claudiu Musat , Boi Faltings

The recent success of large language models (LLMs) has shown great potential to develop more powerful conversational recommender systems (CRSs), which rely on natural language conversations to satisfy user needs. In this paper, we embark on…

Computation and Language · Computer Science 2024-06-21 Xiaolei Wang , Xinyu Tang , Wayne Xin Zhao , Jingyuan Wang , Ji-Rong Wen

The closed feedback loop in recommender systems is a common setting that can lead to different types of biases. Several studies have dealt with these biases by designing methods to mitigate their effect on the recommendations. However, most…

Information Retrieval · Computer Science 2020-09-01 Sami Khenissi , Mariem Boujelbene , Olfa Nasraoui

Recommender systems are ubiquitous in on-line services to drive businesses. And many sequential recommender models were deployed in these systems to enhance personalization. The approach of using the transformer decoder as the sequential…

Information Retrieval · Computer Science 2025-04-15 Zan Huang

Recommendation systems focus on helping users find items of interest in the situations of information overload, where users' preferences are typically estimated by the past observed behaviors. In contrast, conversational recommendation…

Computation and Language · Computer Science 2022-03-29 Ting-Chun Wang , Shang-Yu Su , Yun-Nung Chen

Recommender systems have been widely applied in different real-life scenarios to help us find useful information. In particular, Reinforcement Learning (RL) based recommender systems have become an emerging research topic in recent years,…

Information Retrieval · Computer Science 2023-06-13 Yuanguo Lin , Yong Liu , Fan Lin , Lixin Zou , Pengcheng Wu , Wenhua Zeng , Huanhuan Chen , Chunyan Miao

Synthetic users are cost-effective proxies for real users in the evaluation of conversational recommender systems. Large language models show promise in simulating human-like behavior, raising the question of their ability to represent a…

Computation and Language · Computer Science 2024-03-27 Se-eun Yoon , Zhankui He , Jessica Maria Echterhoff , Julian McAuley

Adding explanations to recommender systems is said to have multiple benefits, such as increasing user trust or system transparency. Previous work from other application areas suggests that specific user characteristics impact the users'…

Human-Computer Interaction · Computer Science 2025-02-04 Kathrin Wardatzky , Oana Inel , Luca Rossetto , Abraham Bernstein

Conversational recommendation systems (CRS) aim to recommend suitable items to users through natural language conversation. However, most CRS approaches do not effectively utilize the signal provided by these conversations. They rely…

Computation and Language · Computer Science 2023-05-24 Raghav Gupta , Renat Aksitov , Samrat Phatale , Simral Chaudhary , Harrison Lee , Abhinav Rastogi

Recommendation dialogue systems aim to build social bonds with users and provide high-quality recommendations. This paper pushes forward towards a promising paradigm called target-driven recommendation dialogue systems, which is highly…

Computation and Language · Computer Science 2022-08-09 Jian Wang , Dongding Lin , Wenjie Li

Conversational AI is rapidly becoming a primary interface for information seeking and decision making, yet most systems still assume idealized users. In practice, human reasoning is bounded by limited attention, uneven knowledge, and…

Emerging Technologies · Computer Science 2026-01-21 Jiqun Liu

Voice-based systems like Amazon Alexa, Google Assistant, and Apple Siri, along with the growing popularity of OpenAI's ChatGPT and Microsoft's Copilot, serve diverse populations, including visually impaired and low-literacy communities.…

Human-Computer Interaction · Computer Science 2024-09-04 Sachin Pathiyan Cherumanal , Falk Scholer , Johanne R. Trippas , Damiano Spina

Recommender systems are vital for shaping user online experiences. While some believe they may limit new content exploration and promote opinion polarization, a systematic analysis is still lacking. We present a model that explores the…

Physics and Society · Physics 2023-12-15 Giordano De Marzo , Pietro Gravino , Vittorio Loreto

Recommender systems use algorithms to provide users with product or service recommendations. Recently, these systems have been using machine learning algorithms from the field of artificial intelligence. However, choosing a suitable machine…

Software Engineering · Computer Science 2016-02-25 Ivens Portugal , Paulo Alencar , Donald Cowan

Recommender systems trained on offline historical user behaviors are embracing conversational techniques to online query user preference. Unlike prior conversational recommendation approaches that systemically combine conversational and…

Information Retrieval · Computer Science 2023-10-09 Jiarui Jin , Xianyu Chen , Fanghua Ye , Mengyue Yang , Yue Feng , Weinan Zhang , Yong Yu , Jun Wang

Conversational agents have become ubiquitous, ranging from goal-oriented systems for helping with reservations to chit-chat models found in modern virtual assistants. In this survey paper, we explore this fascinating field. We look at some…

Artificial Intelligence · Computer Science 2018-03-29 Vinayak Mathur , Arpit Singh

Building dialogue systems that naturally converse with humans is being an attractive and an active research domain. Multiple systems are being designed everyday and several datasets are being available. For this reason, it is being hard to…

Computation and Language · Computer Science 2019-07-31 Basma El Amel Boussaha , Nicolas Hernandez , Christine Jacquin , Emmanuel Morin

Recommendation is a prevalent application of machine learning that affects many users; therefore, it is important for recommender models to be accurate and interpretable. In this work, we propose a method to both interpret and augment the…

Machine Learning · Statistics 2020-06-22 Michael Tsang , Dehua Cheng , Hanpeng Liu , Xue Feng , Eric Zhou , Yan Liu

A recommender system is an information filtering technology which can be used to predict preference ratings of items (products, services, movies, etc) and/or to output a ranking of items that are likely to be of interest to the user.…

Information Retrieval · Computer Science 2019-01-08 Camila V. Sundermann , Marcos A. Domingues , Ricardo M. Marcacini , Solange O. Rezende