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Any organization needs to improve their products, services, and processes. In this context, engaging with customers and understanding their journey is essential. Organizations have leveraged various techniques and technologies to support…

Computation and Language · Computer Science 2022-12-08 Sahar Moradizeyveh

Dialog response ranking is used to rank response candidates by considering their relation to the dialog history. Although researchers have addressed this concept for open-domain dialogs, little attention has been focused on task-oriented…

Computation and Language · Computer Science 2018-11-29 Junki Ohmura , Maxine Eskenazi

We present CID-GraphRAG (Conversational Intent-Driven Graph Retrieval-Augmented Generation), a novel framework that addresses the limitations of existing dialogue systems in maintaining both contextual coherence and goal-oriented…

Artificial Intelligence · Computer Science 2026-02-10 Ziqi Zhu , Tao Hu , Honglong Zhang , Dan Yang , Hangeng Chen , Mengran Zhang , Xilun Chen

Task 1 of the DSTC8-track1 challenge aims to develop an end-to-end multi-domain dialogue system to accomplish complex users' goals under tourist information desk settings. This paper describes our submitted solution, Hierarchical Context…

Artificial Intelligence · Computer Science 2020-03-04 Jingyuan Yang , Guang Liu , Yuzhao Mao , Zhiwei Zhao , Weiguo Gao , Xuan Li , Haiqin Yang , Jianping Shen

Dialogue systems can benefit from being able to search through a corpus of text to find information relevant to user requests, especially when encountering a request for which no manually curated response is available. The state-of-the-art…

Information Retrieval · Computer Science 2022-06-02 Hui Wan , Siva Sankalp Patel , J. William Murdock , Saloni Potdar , Sachindra Joshi

Domain specific chatbot applications often involve multi step interactions, such as refining search filters, selecting multiple items, or performing comparisons. Traditional graphical user interfaces (GUIs) handle these workflows by…

Human-Computer Interaction · Computer Science 2025-07-03 Sanjay Krishna Anbalagan , Xinrui Nie , Umesh Mohan , Vijay Kumar Kanamarlapudi , Anughna Kommalapati , Xiaodan Zhao

Scientists always look for the most accurate and relevant answer to their queries on the scholarly literature. Traditional scholarly search systems list documents instead of providing direct answers to the search queries. As data in…

Digital Libraries · Computer Science 2021-07-14 Golsa Heidari , Ahmad Ramadan , Markus Stocker , Sören Auer

Conversational interfaces powered by large language models (LLMs) are widely used for ideation and analysis, yet their linear structure limits exploration of alternatives and management of long-running interactions. We present CanvasConvo,…

Human-Computer Interaction · Computer Science 2026-05-18 Rifat Mehreen Amin , Alperen Adatepe , Daniela Fernandes , Daniel Buschek , Andreas Butz

With a large proportion of people carrying location-aware smartphones, we have an unprecedented platform from which to understand individuals and predict their future actions. This work builds upon the Context Tree data structure that…

Artificial Intelligence · Computer Science 2016-10-06 Alasdair Thomason , Nathan Griffiths , Victor Sanchez

Conversational recommender systems (CRS) enable the traditional recommender systems to explicitly acquire user preferences towards items and attributes through interactive conversations. Reinforcement learning (RL) is widely adopted to…

Information Retrieval · Computer Science 2021-05-21 Yang Deng , Yaliang Li , Fei Sun , Bolin Ding , Wai Lam

Intelligent personal assistant systems that are able to have multi-turn conversations with human users are becoming increasingly popular. Most previous research has been focused on using either retrieval-based or generation-based methods to…

Information Retrieval · Computer Science 2019-08-27 Liu Yang , Junjie Hu , Minghui Qiu , Chen Qu , Jianfeng Gao , W. Bruce Croft , Xiaodong Liu , Yelong Shen , Jingjing Liu

With a growing need for robust and general discourse structures in many downstream tasks and real-world applications, the current lack of high-quality, high-quantity discourse trees poses a severe shortcoming. In order the alleviate this…

Computation and Language · Computer Science 2022-10-19 Patrick Huber , Giuseppe Carenini

Conversational search seeks to retrieve relevant passages for the given questions in conversational question answering. Conversational Query Reformulation (CQR) improves conversational search by refining the original queries into…

Computation and Language · Computer Science 2025-05-16 Jeonghyun Park , Hwanhee Lee

The digital realm has witnessed the rise of various search modalities, among which the Image-Based Conversational Search System stands out. This research delves into the design, implementation, and evaluation of this specific system,…

Information Retrieval · Computer Science 2024-04-01 Yue Zheng , Lei Yu , Junmian Chen , Tianyu Xia , Yuanyuan Yin , Shan Wang , Haiming Liu

Existing methods for interactive image retrieval have demonstrated the merit of integrating user feedback, improving retrieval results. However, most current systems rely on restricted forms of user feedback, such as binary relevance…

Computer Vision and Pattern Recognition · Computer Science 2018-12-24 Xiaoxiao Guo , Hui Wu , Yu Cheng , Steven Rennie , Gerald Tesauro , Rogerio Schmidt Feris

Document retrieval is one of the best established information retrieval activities since the sixties, pervading all search engines. Its aim is to obtain, from a collection of text documents, those most relevant to a pattern query. Current…

Information Retrieval · Computer Science 2013-10-01 Gonzalo Navarro

Conversational agents ("bots") are beginning to be widely used in conversational interfaces. To design a system that is capable of emulating human-like interactions, a conversational layer that can serve as a fabric for chat-like…

Artificial Intelligence · Computer Science 2016-06-23 Abhay Prakash , Chris Brockett , Puneet Agrawal

Most dialog systems posit that users have figured out clear and specific goals before starting an interaction. For example, users have determined the departure, the destination, and the travel time for booking a flight. However, in many…

Computation and Language · Computer Science 2022-04-18 Zeming Liu , Jun Xu , Zeyang Lei , Haifeng Wang , Zheng-Yu Niu , Hua Wu

The ideal conversational recommender system (CRS) acts like a savvy salesperson, adapting its language and suggestions to each user's level of expertise. However, most current systems treat all users as experts, leading to frustrating and…

Information Retrieval · Computer Science 2025-12-16 Ivica Kostric , Ujwal Gadiraju , Krisztian Balog

In this paper, we address the problem of answering complex information needs by conversing conversations with search engines, in the sense that users can express their queries in natural language, and directly receivethe information they…

Information Retrieval · Computer Science 2021-05-19 Pengjie Ren , Zhumin Chen , Zhaochun Ren , Evangelos Kanoulas , Christof Monz , Maarten de Rijke