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Related papers: TREC CAsT 2019: The Conversational Assistance Trac…

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Evaluating conversational AI systems that use external tools is challenging, as errors can arise from complex interactions among user, agent, and tools. While existing evaluation methods assess either user satisfaction or agents'…

Computation and Language · Computer Science 2025-10-23 Zhaoyi Joey Hou , Tanya Shourya , Yingfan Wang , Shamik Roy , Vinayshekhar Bannihatti Kumar , Rashmi Gangadharaiah

This is the second year of the TREC Deep Learning Track, with the goal of studying ad hoc ranking in the large training data regime. We again have a document retrieval task and a passage retrieval task, each with hundreds of thousands of…

Information Retrieval · Computer Science 2021-02-16 Nick Craswell , Bhaskar Mitra , Emine Yilmaz , Daniel Campos

Existing long-document question answering systems typically process texts as flat sequences or use heuristic chunking, which overlook the discourse structures that naturally guide human comprehension. We present a discourse-aware…

Information Retrieval · Computer Science 2026-05-08 Huiyao Chen , Yi Yang , Yinghui Li , Meishan Zhang , Baotian Hu , Min Zhang

Conversational recommender systems (CRS) aim to provide personalized recommendations via interactive dialogues with users. While large language models (LLMs) enhance CRS with their superior understanding of context-aware user preferences,…

Information Retrieval · Computer Science 2025-02-21 Yaochen Zhu , Chao Wan , Harald Steck , Dawen Liang , Yesu Feng , Nathan Kallus , Jundong Li

The gap between speech and text modalities is a major challenge in speech-to-text translation (ST). Different methods have been proposed to reduce this gap, but most of them require architectural changes in ST training. In this work, we…

Computation and Language · Computer Science 2023-06-06 Phuong-Hang Le , Hongyu Gong , Changhan Wang , Juan Pino , Benjamin Lecouteux , Didier Schwab

We introduce the StatCan Dialogue Dataset consisting of 19,379 conversation turns between agents working at Statistics Canada and online users looking for published data tables. The conversations stem from genuine intents, are held in…

Computation and Language · Computer Science 2024-07-18 Xing Han Lu , Siva Reddy , Harm de Vries

The Conformer model is an excellent architecture for speech recognition modeling that effectively utilizes the hybrid losses of connectionist temporal classification (CTC) and attention to train model parameters. To improve the decoding…

Sound · Computer Science 2022-04-11 Nick J. C. Wang , Zongfeng Quan , Shaojun Wang , Jing Xiao

Although Natural Language Processing (NLP) research on argument mining has advanced considerably in recent years, most studies draw on corpora of asynchronous and written texts, often produced by individuals. Few published corpora of…

Computation and Language · Computer Science 2020-05-26 Christopher Olshefski , Luca Lugini , Ravneet Singh , Diane Litman , Amanda Godley

Conversational recommender systems (CRS) aim to recommend relevant items to users by eliciting user preference through natural language conversation. Prior work often utilizes external knowledge graphs for items' semantic information, a…

Computation and Language · Computer Science 2024-02-27 Mathieu Ravaut , Hao Zhang , Lu Xu , Aixin Sun , Yong Liu

Conversational search plays a vital role in conversational information seeking. As queries in information seeking dialogues are ambiguous for traditional ad-hoc information retrieval (IR) systems due to the coreference and omission…

Computation and Language · Computer Science 2021-03-12 Sheng-Chieh Lin , Jheng-Hong Yang , Rodrigo Nogueira , Ming-Feng Tsai , Chuan-Ju Wang , Jimmy Lin

Conversational machine reading comprehension (CMRC) aims to assist computers to understand an natural language text and thereafter engage in a multi-turn conversation to answer questions related to the text. Existing methods typically…

Computation and Language · Computer Science 2022-09-26 Xiao Zhang , Heyan Huang , Zewen Chi , Xian-Ling Mao

Dagstuhl Seminar 19461 "Conversational Search" was held on 10-15 November 2019. 44~researchers in Information Retrieval and Web Search, Natural Language Processing, Human Computer Interaction, and Dialogue Systems were invited to share the…

Information Retrieval · Computer Science 2020-05-19 Avishek Anand , Lawrence Cavedon , Matthias Hagen , Hideo Joho , Mark Sanderson , Benno Stein

This paper presents the "Speak & Improve Challenge 2025: Spoken Language Assessment and Feedback" -- a challenge associated with the ISCA SLaTE 2025 Workshop. The goal of the challenge is to advance research on spoken language assessment…

Computation and Language · Computer Science 2024-12-18 Mengjie Qian , Kate Knill , Stefano Banno , Siyuan Tang , Penny Karanasou , Mark J. F. Gales , Diane Nicholls

Combining end-to-end speech translation (ST) and non-autoregressive (NAR) generation is promising in language and speech processing for their advantages of less error propagation and low latency. In this paper, we investigate the potential…

Computation and Language · Computer Science 2023-05-30 Chen Xu , Xiaoqian Liu , Xiaowen Liu , Qingxuan Sun , Yuhao Zhang , Murun Yang , Qianqian Dong , Tom Ko , Mingxuan Wang , Tong Xiao , Anxiang Ma , Jingbo Zhu

The advancements of neural dialogue generation models show promising results on modeling short-text conversations. However, training such models usually needs a large-scale high-quality dialogue corpus, which is hard to access. In this…

Computation and Language · Computer Science 2022-04-27 Yida Wang , Pei Ke , Yinhe Zheng , Kaili Huang , Yong Jiang , Xiaoyan Zhu , Minlie Huang

There is an unmet need to evaluate the language difficulty of short, conversational passages of text, particularly for training and filtering Large Language Models (LLMs). We introduce Ace-CEFR, a dataset of English conversational text…

Computation and Language · Computer Science 2025-06-18 David Kogan , Max Schumacher , Sam Nguyen , Masanori Suzuki , Melissa Smith , Chloe Sophia Bellows , Jared Bernstein

Efficient code retrieval is critical for developer productivity, yet existing benchmarks largely focus on Python and rarely stress-test robustness beyond superficial lexical cues. To address the gap, we introduce an automated pipeline for…

Software Engineering · Computer Science 2026-03-06 Kaicheng Wang , Liyan Huang , Weike Fang , Weihang Wang

One of limitations in end-to-end automatic speech recognition (ASR) framework is its performance would be compromised if train-test utterance lengths are mismatched. In this paper, we propose an on-the-fly random utterance concatenation…

Audio and Speech Processing · Electrical Eng. & Systems 2023-05-26 Yist Y. Lin , Tao Han , Haihua Xu , Van Tung Pham , Yerbolat Khassanov , Tze Yuang Chong , Yi He , Lu Lu , Zejun Ma

Traditionally, a debate usually requires a manual preparation process, including reading plenty of articles, selecting the claims, identifying the stances of the claims, seeking the evidence for the claims, etc. As the AI debate attracts…

Computation and Language · Computer Science 2022-07-19 Liying Cheng , Lidong Bing , Ruidan He , Qian Yu , Yan Zhang , Luo Si

Numerical time-series models can effectively process irregular electronic health record (EHR) trajectories, but they do not naturally expose the measurements and temporal patterns supporting each risk estimate as readable evidence. Existing…

Machine Learning · Computer Science 2026-05-21 Kwanhyung Lee , Juhwan Choi , Jongheon Kim , Joohyung Lee , Hyeongwon Jang , Eunho Yang