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This paper presents results of our experiments for the next utterance ranking on the Ubuntu Dialog Corpus -- the largest publicly available multi-turn dialog corpus. First, we use an in-house implementation of previously reported models to…

Computation and Language · Computer Science 2015-11-04 Rudolf Kadlec , Martin Schmid , Jan Kleindienst

Large Language Models face significant challenges in maintaining coherent interactions over extended dialogues due to their limited contextual memory. This limitation often leads to fragmented exchanges and reduced relevance in responses,…

Machine Learning · Computer Science 2025-06-24 Haseeb Ullah Khan Shinwari , Muhammad Usama

In dialogues, an utterance is a chain of consecutive sentences produced by one speaker which ranges from a short sentence to a thousand-word post. When studying dialogues at the utterance level, it is not uncommon that an utterance would…

Audio and Speech Processing · Electrical Eng. & Systems 2019-10-23 Yue Yu , Siyao Peng , Grace Hui Yang

Generalized Canonical Correlation Analysis (GCCA) is an important tool that finds numerous applications in data mining, machine learning, and artificial intelligence. It aims at finding `common' random variables that are strongly correlated…

Machine Learning · Computer Science 2021-05-19 Mikael Sørensen , Charilaos I. Kanatsoulis , Nicholas D. Sidiropoulos

To address the data scarcity issue in Conversational question answering (ConvQA), a dialog inpainting method, which utilizes documents to generate ConvQA datasets, has been proposed. However, the original dialog inpainting model is trained…

Computation and Language · Computer Science 2023-11-15 Yerin Hwang , Yongil Kim , Hyunkyung Bae , Jeesoo Bang , Hwanhee Lee , Kyomin Jung

This particular paper introduces an Adaptive Context Management (ACM) framework for the Conversational Question Answering (ConvQA) systems. The key objective of the ACM framework is to optimize the use of the conversation history by…

Computation and Language · Computer Science 2025-09-23 Manoj Madushanka Perera , Adnan Mahmood , Kasun Eranda Wijethilake , Quan Z. Sheng

Conversational question answering (CQA) is a novel QA task that requires understanding of dialogue context. Different from traditional single-turn machine reading comprehension (MRC) tasks, CQA includes passage comprehension, coreference…

Computation and Language · Computer Science 2019-01-04 Chenguang Zhu , Michael Zeng , Xuedong Huang

Large Language Models (LLMs) are increasingly vulnerable to sophisticated multi-turn manipulation attacks, where adversaries strategically build context through seemingly benign conversational turns to circumvent safety measures and elicit…

Cryptography and Security · Computer Science 2025-03-21 Prashant Kulkarni , Assaf Namer

Canonical Correlation Analysis (CCA) has been widely applied to jointly embed multiple views of data in a maximally correlated latent space. However, the alignment between various data perspectives, which is required by traditional…

Machine Learning · Computer Science 2023-12-11 Biqian Cheng , Evangelos E. Papalexakis , Jia Chen

Dialogue systems, commonly known as chatbots, have gained escalating popularity in recent times due to their wide-spread applications in carrying out chit-chat conversations with users and task-oriented dialogues to accomplish various user…

Computation and Language · Computer Science 2024-06-18 Sahisnu Mazumder , Bing Liu

Conversational agents leveraging AI, particularly deep learning, are emerging in both academic research and real-world applications. However, these applications still face challenges, including disrespecting knowledge and facts, not…

Computation and Language · Computer Science 2025-03-25 Junfeng Liu , Zhuocheng Mei , Kewen Peng , Ranga Raju Vatsavai

We study the learning of a matching model for dialogue response selection. Motivated by the recent finding that models trained with random negative samples are not ideal in real-world scenarios, we propose a hierarchical curriculum learning…

Computation and Language · Computer Science 2021-09-01 Yixuan Su , Deng Cai , Qingyu Zhou , Zibo Lin , Simon Baker , Yunbo Cao , Shuming Shi , Nigel Collier , Yan Wang

Fact-based dialogue generation is a task of generating a human-like response based on both dialogue context and factual texts. Various methods were proposed to focus on generating informative words that contain facts effectively. However,…

Computation and Language · Computer Science 2020-05-11 Ryota Tanaka , Akinobu Lee

We characterise some of the quirks and shortcomings in the exploration of Visual Dialogue - a sequential question-answering task where the questions and corresponding answers are related through given visual stimuli. To do so, we develop an…

Computer Vision and Pattern Recognition · Computer Science 2019-10-23 Daniela Massiceti , Puneet K. Dokania , N. Siddharth , Philip H. S. Torr

Kernel canonical correlation analysis (KCCA) is a nonlinear multi-view representation learning technique with broad applicability in statistics and machine learning. Although there is a closed-form solution for the KCCA objective, it…

Machine Learning · Computer Science 2016-03-01 Weiran Wang , Karen Livescu

Canonical correlation analysis (CCA) is a popular technique for learning representations that are maximally correlated across multiple views in data. In this paper, we extend the CCA based framework for learning a multiview mixture model.…

Machine Learning · Computer Science 2020-01-01 Nils Holzenberger , Raman Arora

In this work, travel destination and business location are taken as venues. Discovering a venue by a photo is very important for context-aware applications. Unfortunately, few efforts paid attention to complicated real images such as venue…

Computer Vision and Pattern Recognition · Computer Science 2018-05-09 Yi Yu , Suhua Tang , Kiyoharu Aizawa , Akiko Aizawa

Understanding and reasoning over long contexts is a crucial capability for language models (LMs). Although recent models support increasingly long context windows, their accuracy often deteriorates as input length grows. In practice, models…

Computation and Language · Computer Science 2026-04-17 Xi Ye , Wuwei Zhang , Fangcong Yin , Howard Yen , Danqi Chen

Most existing dialogue systems are user-driven, primarily designed to fulfill user requests. However, in many critical real-world scenarios, a conversational agent must proactively extract information to achieve its own objectives rather…

Computation and Language · Computer Science 2026-05-18 Xubo Lin , Zezhi Deng , Shihao Wang , Grace Hui Yang , Yang Deng

We propose a new technique, Singular Vector Canonical Correlation Analysis (SVCCA), a tool for quickly comparing two representations in a way that is both invariant to affine transform (allowing comparison between different layers and…

Machine Learning · Statistics 2017-11-09 Maithra Raghu , Justin Gilmer , Jason Yosinski , Jascha Sohl-Dickstein