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Since the pre-trained language models are widely used, retrieval-based open-domain dialog systems, have attracted considerable attention from researchers recently. Most of the previous works select a suitable response only according to the…

计算与语言 · 计算机科学 2020-12-22 Tian Lan , Xian-Ling Mao , Zhipeng Zhao , Wei Wei , Heyan Huang

Despite the effectiveness of sequence-to-sequence framework on the task of Short-Text Conversation (STC), the issue of under-exploitation of training data (i.e., the supervision signals from query text is \textit{ignored}) still remains…

计算与语言 · 计算机科学 2019-11-27 Xin Li , Piji Li , Wei Bi , Xiaojiang Liu , Wai Lam

In the era of large language models, applying techniques such as Retrieval Augmented Generation can better address Open-Domain Question-Answering problems. Due to constraints including model sizes and computing resources, the length of…

计算与语言 · 计算机科学 2024-12-24 Zhuo Chen , Xinyu Wang , Yong Jiang , Pengjun Xie , Fei Huang , Kewei Tu

The standard content-based attention mechanism typically used in sequence-to-sequence models is computationally expensive as it requires the comparison of large encoder and decoder states at each time step. In this work, we propose an…

计算与语言 · 计算机科学 2017-07-04 Denny Britz , Melody Y. Guan , Minh-Thang Luong

Building an intelligent dialogue system with the ability to select a proper response according to a multi-turn context is a great challenging task. Existing studies focus on building a context-response matching model with various neural…

计算与语言 · 计算机科学 2020-09-15 Ruijian Xu , Chongyang Tao , Daxin Jiang , Xueliang Zhao , Dongyan Zhao , Rui Yan

Self-attentional models are a new paradigm for sequence modelling tasks which differ from common sequence modelling methods, such as recurrence-based and convolution-based sequence learning, in the way that their architecture is only based…

计算与语言 · 计算机科学 2019-09-13 Mansour Saffar Mehrjardi , Amine Trabelsi , Osmar R. Zaiane

Sequence-to-Sequence (Seq2Seq) models have witnessed a notable success in generating natural conversational exchanges. Notwithstanding the syntactically well-formed responses generated by these neural network models, they are prone to be…

计算与语言 · 计算机科学 2019-06-05 Nouha Dziri , Ehsan Kamalloo , Kory W. Mathewson , Osmar Zaiane

Lattices are an efficient and effective method to encode ambiguity of upstream systems in natural language processing tasks, for example to compactly capture multiple speech recognition hypotheses, or to represent multiple linguistic…

计算与语言 · 计算机科学 2019-06-05 Matthias Sperber , Graham Neubig , Ngoc-Quan Pham , Alex Waibel

In document-level neural machine translation (DocNMT), multi-encoder approaches are common in encoding context and source sentences. Recent studies \cite{li-etal-2020-multi-encoder} have shown that the context encoder generates noise and…

计算与语言 · 计算机科学 2024-07-04 Ramakrishna Appicharla , Baban Gain , Santanu Pal , Asif Ekbal , Pushpak Bhattacharyya

This paper suggests a direction of coreference resolution for online decoding on actively generated input such as dialogue, where the model accepts an utterance and its past context, then finds mentions in the current utterance as well as…

计算与语言 · 计算机科学 2022-05-24 Liyan Xu , Jinho D. Choi

Existing attention mechanisms either attend to local image grid or object level features for Visual Question Answering (VQA). Motivated by the observation that questions can relate to both object instances and their parts, we propose a…

计算机视觉与模式识别 · 计算机科学 2021-08-30 Moshiur R Farazi , Salman H Khan

Visual dialog is a task of answering a series of inter-dependent questions given an input image, and often requires to resolve visual references among the questions. This problem is different from visual question answering (VQA), which…

计算机视觉与模式识别 · 计算机科学 2018-08-08 Paul Hongsuck Seo , Andreas Lehrmann , Bohyung Han , Leonid Sigal

Despite the progress made in sentence-level NMT, current systems still fall short at achieving fluent, good quality translation for a full document. Recent works in context-aware NMT consider only a few previous sentences as context and may…

计算与语言 · 计算机科学 2019-05-27 Sameen Maruf , André F. T. Martins , Gholamreza Haffari

This paper presents a novel open-domain dialogue generation model emphasizing the differentiation of speakers in multi-turn conversations. Differing from prior work that solely relies on the content of conversation history to generate a…

计算与语言 · 计算机科学 2021-10-18 Zihao Wang , Ming Jiang , Junli Wang

In a conversation or a dialogue process, attention and intention play intrinsic roles. This paper proposes a neural network based approach that models the attention and intention processes. It essentially consists of three recurrent…

神经与进化计算 · 计算机科学 2015-11-06 Kaisheng Yao , Geoffrey Zweig , Baolin Peng

We present a transformer-based sarcasm detection model that accounts for the context from the entire conversation thread for more robust predictions. Our model uses deep transformer layers to perform multi-head attentions among the target…

计算与语言 · 计算机科学 2020-05-26 Xiangjue Dong , Changmao Li , Jinho D. Choi

Large language models (LLMs) face significant challenges in processing long contexts due to the linear growth of the key-value (KV) cache and quadratic complexity of self-attention. Existing approaches address these bottlenecks separately:…

计算与语言 · 计算机科学 2026-04-17 Zeng You , Yaofo Chen , Qiuwu Chen , Ying Sun , Shuhai Zhang , Yingjian Li , Yaowei Wang , Mingkui Tan

Human-object interaction detection is an important and relatively new class of visual relationship detection tasks, essential for deeper scene understanding. Most existing approaches decompose the problem into object localization and…

计算机视觉与模式识别 · 计算机科学 2019-10-18 Tiancai Wang , Rao Muhammad Anwer , Muhammad Haris Khan , Fahad Shahbaz Khan , Yanwei Pang , Ling Shao , Jorma Laaksonen

Dialogue act recognition is a fundamental task for an intelligent dialogue system. Previous work models the whole dialog to predict dialog acts, which may bring the noise from unrelated sentences. In this work, we design a hierarchical…

计算与语言 · 计算机科学 2020-03-16 Zhigang Dai , Jinhua Fu , Qile Zhu , Hengbin Cui , Xiaolong li , Yuan Qi

The quadratic complexity of attention mechanisms poses a critical bottleneck for large language models processing long contexts. While dynamic sparse attention methods offer input-adaptive efficiency, they face fundamental trade-offs:…

计算与语言 · 计算机科学 2026-02-06 Siran Liu , Guoxia Wang , Sa Wang , Jinle Zeng , HaoYang Xie , Siyu Lou , JiaBin Yang , DianHai Yu , Haifeng Wang , Chao Yang