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Knowledge graph-based dialogue systems can narrow down knowledge candidates for generating informative and diverse responses with the use of prior information, e.g., triple attributes or graph paths. However, most current knowledge graph…

计算与语言 · 计算机科学 2020-04-21 Hongcai Xu , Junpeng Bao , Junqing Wang

Despite the recent progress in speech emotion recognition (SER), state-of-the-art systems are unable to achieve improved performance in cross-language settings. In this paper, we propose a Multimodal Dual Attention Transformer (MDAT) model…

计算与语言 · 计算机科学 2023-07-17 Syed Aun Muhammad Zaidi , Siddique Latif , Junaid Qadir

While conversing with chatbots, humans typically tend to ask many questions, a significant portion of which can be answered by referring to large-scale knowledge graphs (KG). While Question Answering (QA) and dialog systems have been…

计算与语言 · 计算机科学 2018-10-05 Amrita Saha , Vardaan Pahuja , Mitesh M. Khapra , Karthik Sankaranarayanan , Sarath Chandar

The increasing reliance on digital information necessitates advancements in conversational search systems, particularly in terms of information transparency. While prior research in conversational information-seeking has concentrated on…

信息检索 · 计算机科学 2024-05-07 Weronika Łajewska , Damiano Spina , Johanne Trippas , Krisztian Balog

Abstractive dialogue summarization is to generate a concise and fluent summary covering the salient information in a dialogue among two or more interlocutors. It has attracted great attention in recent years based on the massive emergence…

计算与语言 · 计算机科学 2023-08-08 Qi Jia , Yizhu Liu , Siyu Ren , Kenny Q. Zhu

Commonsense question answering (QA) requires a model to grasp commonsense and factual knowledge to answer questions about world events. Many prior methods couple language modeling with knowledge graphs (KG). However, although a KG contains…

计算与语言 · 计算机科学 2021-08-04 Yichong Xu , Chenguang Zhu , Ruochen Xu , Yang Liu , Michael Zeng , Xuedong Huang

End-to-end (E2E) automatic speech recognition (ASR) systems often have difficulty recognizing uncommon words, that appear infrequently in the training data. One promising method, to improve the recognition accuracy on such rare words, is to…

Dialogue data has been a key source for understanding learning processes, offering critical insights into how students engage in collaborative discussions and how these interactions shape their knowledge construction. The advent of Large…

计算与语言 · 计算机科学 2025-04-29 Ying Na , Shihui Feng

Sentence-level (SL) machine translation (MT) has reached acceptable quality for many high-resourced languages, but not document-level (DL) MT, which is difficult to 1) train with little amount of DL data; and 2) evaluate, as the main…

计算与语言 · 计算机科学 2020-12-14 Matīss Rikters , Ryokan Ri , Tong Li , Toshiaki Nakazawa

The goal-oriented document-grounded dialogue aims at responding to the user query based on the dialogue context and supporting document. Existing studies tackle this problem by decomposing it into two sub-tasks: knowledge identification and…

计算与语言 · 计算机科学 2022-04-19 Chang Gao , Wenxuan Zhang , Wai Lam

Large language models internalize enormous parametric knowledge during pre-training. Concurrently, realistic applications necessitate external contextual knowledge to aid models on the underlying tasks. This raises a crucial dilemma known…

人工智能 · 计算机科学 2024-07-29 Xiaowei Yuan , Zhao Yang , Yequan Wang , Shengping Liu , Jun Zhao , Kang Liu

Neural models for question answering (QA) over documents have achieved significant performance improvements. Although effective, these models do not scale to large corpora due to their complex modeling of interactions between the document…

计算与语言 · 计算机科学 2018-05-22 Sewon Min , Victor Zhong , Richard Socher , Caiming Xiong

Various machine learning tasks can benefit from access to external information of different modalities, such as text and images. Recent work has focused on learning architectures with large memories capable of storing this knowledge. We…

计算与语言 · 计算机科学 2020-11-12 Angela Fan , Claire Gardent , Chloe Braud , Antoine Bordes

Non-autoregressive translation (NAT) models achieve comparable performance and superior speed compared to auto-regressive translation (AT) models in the context of sentence-level machine translation (MT). However, their abilities are…

计算与语言 · 计算机科学 2023-12-12 Guangsheng Bao , Zhiyang Teng , Hao Zhou , Jianhao Yan , Yue Zhang

This paper proposes a method of abstractive summarization designed to scale to document collections instead of individual documents. Our approach applies a combination of semantic clustering, document size reduction within topic clusters,…

人工智能 · 计算机科学 2023-10-10 Sengjie Liu , Christopher G. Healey

A judicious combination of dictionary learning methods, block sparsity and source recovery algorithm are used in a hierarchical manner to identify the noises and the speakers from a noisy conversation between two people. Conversations are…

声音 · 计算机科学 2016-10-31 K V Vijay Girish , A G Ramakrishnan , T V Ananthapadmanabha

In our work, we present the first-of-its-kind open-source web-based tool which is able to demonstrate the impacts of a user's speech act during discourse with conversational agents, which leverages open-source large language models. With…

计算与语言 · 计算机科学 2025-02-21 Godfrey I

Transformer tends to overallocate attention to irrelevant context. In this work, we introduce Diff Transformer, which amplifies attention to the relevant context while canceling noise. Specifically, the differential attention mechanism…

计算与语言 · 计算机科学 2025-04-08 Tianzhu Ye , Li Dong , Yuqing Xia , Yutao Sun , Yi Zhu , Gao Huang , Furu Wei

In dialog studies, we often encode a dialog using a hierarchical encoder where each utterance is converted into an utterance vector, and then a sequence of utterance vectors is converted into a dialog vector. Since knowing who produced…

音频与语音处理 · 电气工程与系统科学 2019-07-15 Tianyu Zhao , Tatsuya Kawahara

Large language models (LLMs) have emerged as strong contenders in machine translation.Yet, they still struggle to adequately handle discourse phenomena, such as pronoun resolution and lexical cohesion at the document level. In this study,…

计算与语言 · 计算机科学 2025-10-09 Wafaa Mohammed , Vlad Niculae , Chrysoula Zerva