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Analyzing interconnection structures among underlying entities or objects in a dataset through the use of graph analytics has been shown to provide tremendous value in many application domains. However, graphs are not the primary…

数据库 · 计算机科学 2017-02-14 Konstantinos Xirogiannopoulos , Amol Deshpande

Keyphrase extraction (KE) aims to summarize a set of phrases that accurately express a concept or a topic covered in a given document. Recently, Sequence-to-Sequence (Seq2Seq) based generative framework is widely used in KE task, and it has…

计算与语言 · 计算机科学 2020-10-27 Haoyu Zhang , Dingkun Long , Guangwei Xu , Pengjun Xie , Fei Huang , Ji Wang

When benefiting graphic sketch representation with sketch drawing orders, recent studies have linked sketch patches as graph edges by drawing orders in accordance to a temporal-based nearest neighboring strategy. However, such constructed…

计算机视觉与模式识别 · 计算机科学 2025-05-16 Sicong Zang , Zhijun Fang

Context-aware compression techniques have gained increasing attention as model sizes continue to grow, introducing computational bottlenecks that hinder efficient deployment. A structured encoding approach was proposed to selectively…

The distinguishing power of graph transformers is closely tied to the choice of positional encoding: features used to augment the base transformer with information about the graph. There are two primary types of positional encoding:…

机器学习 · 计算机科学 2024-08-26 Mitchell Black , Zhengchao Wan , Gal Mishne , Amir Nayyeri , Yusu Wang

Lack of external knowledge makes empathetic dialogue systems difficult to perceive implicit emotions and learn emotional interactions from limited dialogue history. To address the above problems, we propose to leverage external knowledge,…

计算与语言 · 计算机科学 2021-12-30 Qintong Li , Piji Li , Zhaochun Ren , Pengjie Ren , Zhumin Chen

Causal relation extraction of biomedical entities is one of the most complex tasks in biomedical text mining, which involves two kinds of information: entity relations and entity functions. One feasible approach is to take relation…

计算与语言 · 计算机科学 2022-08-03 Dongling Li , Pengchao Wu , Yuehu Dong , Jinghang Gu , Longhua Qian , Guodong Zhou

Emotional Video Captioning is an emerging task that aims to describe factual content with the intrinsic emotions expressed in videos. The essential of the EVC task is to effectively perceive subtle and ambiguous visual emotional cues during…

计算机视觉与模式识别 · 计算机科学 2024-08-07 Cheng Ye , Weidong Chen , Jingyu Li , Lei Zhang , Zhendong Mao

The creation of social ties is largely determined by the entangled effects of people's similarities in terms of individual characters and friends. However, feature and structural characters of people usually appear to be correlated, making…

机器学习 · 计算机科学 2019-10-30 Sébastien Lerique , Jacob Levy Abitbol , Márton Karsai

Traditional techniques for emotion recognition have focused on the facial expression analysis only, thus providing limited ability to encode context that comprehensively represents the emotional responses. We present deep networks for…

计算机视觉与模式识别 · 计算机科学 2019-08-19 Jiyoung Lee , Seungryong Kim , Sunok Kim , Jungin Park , Kwanghoon Sohn

Numerous Graph Neural Networks (GNNs) have been developed to tackle the challenge of Knowledge Graph Embedding (KGE). However, many of these approaches overlook the crucial role of relation information and inadequately integrate it with…

机器学习 · 计算机科学 2024-09-24 Peyman Baghershahi , Reshad Hosseini , Hadi Moradi

Compared to the general news domain, information extraction (IE) from biomedical text requires much broader domain knowledge. However, many previous IE methods do not utilize any external knowledge during inference. Due to the exponential…

计算与语言 · 计算机科学 2021-06-02 Tuan Lai , Heng Ji , ChengXiang Zhai , Quan Hung Tran

Entity-relation extraction aims to jointly solve named entity recognition (NER) and relation extraction (RE). Recent approaches use either one-way sequential information propagation in a pipeline manner or two-way implicit interaction with…

计算与语言 · 计算机科学 2022-02-16 An Wang , Ao Liu , Hieu Hanh Le , Haruo Yokota

Document-level Relation Extraction (DRE) aims to recognize the relations between two entities. The entity may correspond to multiple mentions that span beyond sentence boundary. Few previous studies have investigated the mention…

计算与语言 · 计算机科学 2022-01-14 Chao Zhao , Daojian Zeng , Lu Xu , Jianhua Dai

This paper proposes piece-wise matching layer as a novel layer in representation learning methods for electrocardiogram (ECG) classification. Despite the remarkable performance of representation learning methods in the analysis of time…

信号处理 · 电气工程与系统科学 2020-10-14 Behzad Ghazanfari , Fatemeh Afghah , Sixian Zhang

In emotion recognition in conversation (ERC), the emotion of the current utterance is predicted by considering the previous context, which can be utilized in many natural language processing tasks. Although multiple emotions can coexist in…

计算与语言 · 计算机科学 2022-06-17 Joosung Lee

Detecting what emotions are expressed in text is a well-studied problem in natural language processing. However, research on finer grained emotion analysis such as what causes an emotion is still in its infancy. We present solutions that…

计算与语言 · 计算机科学 2021-06-21 Elsbeth Turcan , Shuai Wang , Rishita Anubhai , Kasturi Bhattacharjee , Yaser Al-Onaizan , Smaranda Muresan

Complex Query Answering (CQA) is an important and fundamental task for knowledge graph (KG) reasoning. Query encoding (QE) is proposed as a fast and robust solution to CQA. In the encoding process, most existing QE methods first parse the…

计算与语言 · 计算机科学 2023-06-27 Jiaxin Bai , Tianshi Zheng , Yangqiu Song

Electroencephalography (EEG) is a useful way to implicitly monitor the users perceptual state during multimedia consumption. One of the primary challenges for the practical use of EEG-based monitoring is to achieve a satisfactory level of…

机器学习 · 计算机科学 2021-12-07 Soobeom Jang , Seong-Eun Moon , Jong-Seok Lee

Representation learning on a knowledge graph (KG) is to embed entities and relations of a KG into low-dimensional continuous vector spaces. Early KG embedding methods only pay attention to structured information encoded in triples, which…

计算与语言 · 计算机科学 2020-01-01 Guanglin Niu , Yongfei Zhang , Bo Li , Peng Cui , Si Liu , Jingyang Li , Xiaowei Zhang