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Event detection (ED), a sub-task of event extraction, involves identifying triggers and categorizing event mentions. Existing methods primarily rely upon supervised learning and require large-scale labeled event datasets which are…

计算与语言 · 计算机科学 2023-02-03 Shumin Deng , Ningyu Zhang , Jiaojian Kang , Yichi Zhang , Wei Zhang , Huajun Chen

Modern machine learning models excel at detecting individual actions, objects, or scene attributes from short, local observations. However, many real-world tasks, such as in smart cities and healthcare, require reasoning over complex events…

机器学习 · 计算机科学 2025-06-18 Liying Han , Gaofeng Dong , Xiaomin Ouyang , Lance Kaplan , Federico Cerutti , Mani Srivastava

State-of-the-art keyphrase generation methods generally depend on large annotated datasets, limiting their performance in domains with limited annotated data. To overcome this challenge, we design a data-oriented approach that first…

计算与语言 · 计算机科学 2022-10-25 Di Wu , Wasi Uddin Ahmad , Sunipa Dev , Kai-Wei Chang

Training neural models for named entity recognition (NER) in a new domain often requires additional human annotations (e.g., tens of thousands of labeled instances) that are usually expensive and time-consuming to collect. Thus, a crucial…

计算与语言 · 计算机科学 2020-07-08 Bill Yuchen Lin , Dong-Ho Lee , Ming Shen , Ryan Moreno , Xiao Huang , Prashant Shiralkar , Xiang Ren

The prevalence of domain adaptive semantic segmentation has prompted concerns regarding source domain data leakage, where private information from the source domain could inadvertently be exposed in the target domain. To circumvent the…

计算机视觉与模式识别 · 计算机科学 2023-08-08 Zixin Wang , Yadan Luo , Zhi Chen , Sen Wang , Zi Huang

Named Entity Recognition (NER) is a machine learning task that traditionally relies on supervised learning and annotated data. Acquiring such data is often a challenge, particularly in specialized fields like medical, legal, and financial…

Labelling of human behavior analysis data is a complex and time consuming task. In this paper, a fully automatic technique for labelling an image based gaze behavior dataset for driver gaze zone estimation is proposed. Domain knowledge is…

计算机视觉与模式识别 · 计算机科学 2021-10-19 Shreya Ghosh , Abhinav Dhall , Garima Sharma , Sarthak Gupta , Nicu Sebe

The extraction of entities and relationships from threat intelligence reports into structured formats, such as cybersecurity knowledge graphs, is essential for automated threat analysis, detection, and mitigation. However, existing joint…

机器学习 · 计算机科学 2026-05-05 Inoussa Mouiche , Sherif Saad

Previous deep learning-based event denoising methods mostly suffer from poor interpretability and difficulty in real-time processing due to their complex architecture designs. In this paper, we propose window-based event denoising, which…

计算机视觉与模式识别 · 计算机科学 2024-02-15 Huachen Fang , Jinjian Wu , Qibin Hou , Weisheng Dong , Guangming Shi

Relation extraction is a central task in natural language processing (NLP) and information retrieval (IR) research. We argue that an important type of relation not explored in NLP or IR research to date is that of an event being an argument…

计算与语言 · 计算机科学 2023-04-05 Ruiqi Li , Patrik Haslum , Leyang Cui

In our digital universe nowadays, enormous amount of data are produced in a streaming manner in a variety of application areas. These data are often unlabelled. In this case, identifying infrequent events, such as anomalies, poses a great…

机器学习 · 计算机科学 2023-09-07 Jin Li , Kleanthis Malialis , Marios M. Polycarpou

Domain adaptive semantic segmentation is recognized as a promising technique to alleviate the domain shift between the labeled source domain and the unlabeled target domain in many real-world applications, such as automatic pilot. However,…

计算机视觉与模式识别 · 计算机科学 2021-10-14 Fuming You , Jingjing Li , Lei Zhu , Ke Lu , Zhi Chen , Zi Huang

Domain generalization (DG) aims to learn a model from source domains and apply it to unseen target domains with out-of-distribution data. Owing to CLIP's strong ability to encode semantic concepts, it has attracted increasing interest in…

计算机视觉与模式识别 · 计算机科学 2025-07-18 Ziyi Wang , Zhi Gao , Jin Chen , Qingjie Zhao , Xinxiao Wu , Jiebo Luo

As an essential task in information extraction (IE), Event-Event Causal Relation Extraction (ECRE) aims to identify and classify the causal relationships between event mentions in natural language texts. However, existing research on ECRE…

计算与语言 · 计算机科学 2024-10-08 Zimu Wang , Lei Xia , Wei Wang , Xinya Du

Event mentions in text correspond to real-world events of varying degrees of granularity. The task of subevent detection aims to resolve this granularity issue, recognizing the membership of multi-granular events in event complexes. Since…

计算与语言 · 计算机科学 2021-09-15 Haoyu Wang , Hongming Zhang , Muhao Chen , Dan Roth

Developing a practical speech recognizer for a low resource language is challenging, not only because of the (potentially unknown) properties of the language, but also because test data may not be from the same domain as the available…

计算与语言 · 计算机科学 2018-10-02 Siddharth Dalmia , Xinjian Li , Florian Metze , Alan W. Black

Deep neural networks exhibit exceptional accuracy when they are trained and tested on the same data distributions. However, neural classifiers are often extremely brittle when confronted with domain shift---changes in the input distribution…

计算机视觉与模式识别 · 计算机科学 2019-04-15 Zuxuan Wu , Xin Wang , Joseph E. Gonzalez , Tom Goldstein , Larry S. Davis

Biomedical Event Extraction (BEE) is a challenging task that involves modeling complex relationships between fine-grained entities in biomedical text. BEE has traditionally been formulated as a classification problem. With recent…

计算与语言 · 计算机科学 2025-02-24 Haohan Yuan , Siu Cheung Hui , Haopeng Zhang

End-to-end (E2E) systems for automatic speech recognition (ASR), such as RNN Transducer (RNN-T) and Listen-Attend-Spell (LAS) blend the individual components of a traditional hybrid ASR system - acoustic model, language model, pronunciation…

音频与语音处理 · 电气工程与系统科学 2020-08-14 Mahaveer Jain , Gil Keren , Jay Mahadeokar , Geoffrey Zweig , Florian Metze , Yatharth Saraf

Syndromic surveillance systems continuously monitor multiple pre-diagnostic daily streams of indicators from different regions with the aim of early detection of disease outbreaks. The main objective of these systems is to detect outbreaks…

人工智能 · 计算机科学 2015-04-30 Hadi Fanaee-T , João Gama