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Language models pretrained on text-only corpora often struggle with tasks that require auditory commonsense knowledge. Previous work addresses this problem by augmenting the language model to retrieve knowledge from external audio…

Computation and Language · Computer Science 2025-06-10 Suho Yoo , Hyunjong Ok , Jaeho Lee

Open domain conversational agents can answer a broad range of targeted queries. However, the sequential nature of interaction with these systems makes knowledge exploration a lengthy task which burdens the user with asking a chain of well…

Computation and Language · Computer Science 2023-02-23 Christopher Richardson , Sudipta Kar , Anjishnu Kumar , Anand Ramachandran , Omar Zia Khan , Zeynab Raeesy , Abhinav Sethy

In the contemporary context of rapid advancements in information technology and the exponential growth of data volume, language models are confronted with significant challenges in effectively navigating the dynamic and ever-evolving…

Information Retrieval · Computer Science 2025-01-14 Yuxin Fan , Yuxiang Wang , Lipeng Liu , Xirui Tang , Na Sun , Zidong Yu

With the improvements in speech recognition and voice generation technologies over the last years, a lot of companies have sought to develop conversation understanding systems that run on mobile phones or smart home devices through natural…

Computation and Language · Computer Science 2020-02-03 Mohammad Aliannejadi , Manajit Chakraborty , Esteban Andrés Ríssola , Fabio Crestani

Conversational assistants often require a question rewriting algorithm that leverages a subset of past interactions to provide a more meaningful (accurate) answer to the user's question or request. However, the exact rewriting approach may…

We investigate the task of building open domain, conversational dialogue systems based on large dialogue corpora using generative models. Generative models produce system responses that are autonomously generated word-by-word, opening up…

Computation and Language · Computer Science 2016-04-08 Iulian V. Serban , Alessandro Sordoni , Yoshua Bengio , Aaron Courville , Joelle Pineau

This paper summarizes our work on the first track of the ninth Dialog System Technology Challenge (DSTC 9), "Beyond Domain APIs: Task-oriented Conversational Modeling with Unstructured Knowledge Access". The goal of the task is to generate…

Computation and Language · Computer Science 2021-02-10 David Thulke , Nico Daheim , Christian Dugast , Hermann Ney

Retrieving and extracting knowledge from extensive research documents and large databases presents significant challenges for researchers, students, and professionals in today's information-rich era. Existing retrieval systems, which rely…

Information Retrieval · Computer Science 2025-02-06 Mohammed-Khalil Ghali , Abdelrahman Farrag , Daehan Won , Yu Jin

In neural dialogue modeling, a neural network is trained to predict the next utterance, and at inference time, an approximate decoding algorithm is used to generate next utterances given previous ones. While this autoregressive framework…

Computation and Language · Computer Science 2019-11-13 Ilia Kulikov , Jason Lee , Kyunghyun Cho

The Retrieval-Augmented Generation (RAG) approach enhances question-answering systems and dialogue generation tasks by integrating information retrieval (IR) technologies with large language models (LLMs). This strategy, which retrieves…

Computation and Language · Computer Science 2025-09-15 Duolin Sun , Dan Yang , Yue Shen , Yihan Jiao , Zhehao Tan , Jie Feng , Lianzhen Zhong , Jian Wang , Peng Wei , Jinjie Gu

Retrieval is a widely adopted approach for improving language models leveraging external information. As the field moves towards multi-modal large language models, it is important to extend the pure text based methods to incorporate other…

Computation and Language · Computer Science 2024-06-17 Jari Kolehmainen , Aditya Gourav , Prashanth Gurunath Shivakumar , Yile Gu , Ankur Gandhe , Ariya Rastrow , Grant Strimel , Ivan Bulyko

Generative information retrieval (IR) has experienced substantial growth across multiple research communities (e.g., information retrieval, computer vision, natural language processing, and machine learning), and has been highly visible in…

Information Retrieval · Computer Science 2023-06-14 Gabriel Bénédict , Ruqing Zhang , Donald Metzler

Current works in the generation of personalized dialogue primarily contribute to the agent presenting a consistent personality and driving a more informative response. However, we found that the generated responses from most previous models…

Computation and Language · Computer Science 2022-08-23 Itsugun Cho , Dongyang Wang , Ryota Takahashi , Hiroaki Saito

Connecting conversation with external domain knowledge is vital for conversational recommender systems (CRS) to correctly understand user preferences. However, existing solutions either require domain-specific engineering, which limits…

Information Retrieval · Computer Science 2025-09-29 Dayu Yang , Hui Fang

RubyStar is a dialog system designed to create "human-like" conversation by combining different response generation strategies. RubyStar conducts a non-task-oriented conversation on general topics by using an ensemble of rule-based,…

Computation and Language · Computer Science 2017-12-19 Huiting Liu , Tao Lin , Hanfei Sun , Weijian Lin , Chih-Wei Chang , Teng Zhong , Alexander Rudnicky

While end-to-end neural conversation models have led to promising advances in reducing hand-crafted features and errors induced by the traditional complex system architecture, they typically require an enormous amount of data due to the…

Computation and Language · Computer Science 2018-01-10 Sungjin Lee

Generative information retrieval, encompassing two major tasks of Generative Document Retrieval (GDR) and Grounded Answer Generation (GAR), has gained significant attention in the area of information retrieval and natural language…

Information Retrieval · Computer Science 2023-12-19 Xiaoxi Li , Yujia Zhou , Zhicheng Dou

Building systems that can communicate with humans is a core problem in Artificial Intelligence. This work proposes a novel neural network architecture for response selection in an end-to-end multi-turn conversational dialogue setting. The…

Artificial Intelligence · Computer Science 2018-11-06 Debanjan Chaudhuri , Agustinus Kristiadi , Jens Lehmann , Asja Fischer

In real-world applications with Large Language Models (LLMs), external retrieval mechanisms - such as Search-Augmented Generation (SAG), tool utilization, and Retrieval-Augmented Generation (RAG) - are often employed to enhance the quality…

Computation and Language · Computer Science 2025-02-25 Tzu-Lin Kuo , Feng-Ting Liao , Mu-Wei Hsieh , Fu-Chieh Chang , Po-Chun Hsu , Da-Shan Shiu

In today's digitally-driven world, the demand for personalized and context-aware recommendations has never been greater. Traditional recommender systems have made significant strides in this direction, but they often lack the ability to tap…

Information Retrieval · Computer Science 2025-05-20 Piyush Talegaonkar , Siddhant Hole , Shrinesh Kamble , Prashil Gulechha , Deepali Salapurkar