中文
相关论文

相关论文: Abstractified Multi-instance Learning (AMIL) for B…

200 篇论文

Distant Supervision for Relation Extraction uses heuristically aligned text data with an existing knowledge base as training data. The unsupervised nature of this technique allows it to scale to web-scale relation extraction tasks, at the…

计算与语言 · 计算机科学 2017-10-30 Tushar Nagarajan , Sharmistha , Partha Talukdar

Label noise and long-tailed distributions are two major challenges in distantly supervised relation extraction. Recent studies have shown great progress on denoising, but paid little attention to the problem of long-tailed relations. In…

计算与语言 · 计算机科学 2022-05-18 Tianming Liang , Yang Liu , Xiaoyan Liu , Hao Zhang , Gaurav Sharma , Maozu Guo

Detecting changes in longitudinal medical imaging using deep learning requires a substantial amount of accurately labeled data. However, labeling these images is notably more costly and time-consuming than labeling other image types, as it…

计算机视觉与模式识别 · 计算机科学 2025-11-25 Siteng Ma , Honghui Du , Prateek Mathur , Brendan S. Kelly , Ronan P. Killeen , Aonghus Lawlor , Ruihai Dong

We present a novel approach to improve the performance of distant supervision relation extraction with Positive and Unlabeled (PU) Learning. This approach first applies reinforcement learning to decide whether a sentence is positive to a…

计算与语言 · 计算机科学 2019-12-02 Zhengqiu He , Wenliang Chen , Yuyi Wang , Wei zhang , Guanchun Wang , Min Zhang

We present an approach to minimally supervised relation extraction that combines the benefits of learned representations and structured learning, and accurately predicts sentence-level relation mentions given only proposition-level…

计算与语言 · 计算机科学 2019-11-20 Fan Bai , Alan Ritter

In hospitals, data are siloed to specific information systems that make the same information available under different modalities such as the different medical imaging exams the patient undergoes (CT scans, MRI, PET, Ultrasound, etc.) and…

计算机视觉与模式识别 · 计算机科学 2021-02-03 Tristan Sylvain , Francis Dutil , Tess Berthier , Lisa Di Jorio , Margaux Luck , Devon Hjelm , Yoshua Bengio

Multiple Instance Learning (MIL) represents the predominant framework in Whole Slide Image (WSI) classification, covering aspects such as sub-typing, diagnosis, and beyond. Current MIL models predominantly rely on instance-level features…

计算机视觉与模式识别 · 计算机科学 2024-07-26 Heng Fang , Sheng Huang , Wenhao Tang , Luwen Huangfu , Bo Liu

Relation extraction (RE) plays an important role in extracting knowledge from unstructured text but requires a large amount of labeled corpus. To reduce the expensive annotation efforts, semisupervised learning aims to leverage both labeled…

计算与语言 · 计算机科学 2021-03-16 Yusen Lin

Distant supervision leverages knowledge bases to automatically label instances, thus allowing us to train relation extractor without human annotations. However, the generated training data typically contain massive noise, and may result in…

计算与语言 · 计算机科学 2018-12-31 Yujin Yuan , Liyuan Liu , Siliang Tang , Zhongfei Zhang , Yueting Zhuang , Shiliang Pu , Fei Wu , Xiang Ren

Multiple instance learning (MIL) is concerned with learning from sets (bags) of objects (instances), where the individual instance labels are ambiguous. In this setting, supervised learning cannot be applied directly. Often, specialized MIL…

机器学习 · 统计学 2014-12-04 Veronika Cheplygina , David M. J. Tax , Marco Loog

The extraction of lung lesion information from clinical and medical imaging reports is crucial for research on and clinical care of lung-related diseases. Large language models (LLMs) can be effective at interpreting unstructured text in…

计算与语言 · 计算机科学 2024-11-18 Diya Li , Asim Kadav , Aijing Gao , Rui Li , Richard Bourgon

Relational learning aims to make relation inference by exploiting the correlations among different types of entities. Exploring relational learning on multiple bipartite graphs has been receiving attention because of its popular…

信息检索 · 计算机科学 2020-07-17 Jingchao Su , Xu Chen , Ya Zhang , Siheng Chen , Dan Lv , Chenyang Li

Knowledgebase question answering systems are heavily dependent on relation extraction and linking modules. However, the task of extracting and linking relations from text to knowledgebases faces two primary challenges; the ambiguity of…

Multimodal image-tabular learning is gaining attention, yet it faces challenges due to limited labeled data. While earlier work has applied self-supervised learning (SSL) to unlabeled data, its task-agnostic nature often results in learning…

计算机视觉与模式识别 · 计算机科学 2025-03-18 Siyi Du , Xinzhe Luo , Declan P. O'Regan , Chen Qin

Biomedical knowledge graphs (KGs) are vital for drug discovery and clinical decision support but remain incomplete. Large language models (LLMs) excel at extracting biomedical relations, yet their outputs lack standardization and alignment…

信息检索 · 计算机科学 2025-12-01 Olawumi Olasunkanmi , Mathew Satusky , Hong Yi , Chris Bizon , Harlin Lee , Stanley Ahalt

In several supervised learning scenarios, auxiliary losses are used in order to introduce additional information or constraints into the supervised learning objective. For instance, knowledge distillation aims to mimic outputs of a powerful…

机器学习 · 计算机科学 2022-12-08 Durga Sivasubramanian , Ayush Maheshwari , Pradeep Shenoy , Prathosh AP , Ganesh Ramakrishnan

Multimodal demonstrations provide robots with an abundance of information to make sense of the world. However, such abundance may not always lead to good performance when it comes to learning sensorimotor control policies from human…

机器学习 · 计算机科学 2023-03-07 Yilun Hao , Ruinan Wang , Zhangjie Cao , Zihan Wang , Yuchen Cui , Dorsa Sadigh

Most existing metric learning methods focus on learning a similarity or distance measure relying on similar and dissimilar relations between sample pairs. However, pairs of samples cannot be simply identified as similar or dissimilar in…

机器学习 · 计算机科学 2021-03-30 Lifeng Gu

In multiple instance multiple label learning, each sample, a bag, consists of multiple instances. To alleviate labeling complexity, each sample is associated with a set of bag-level labels leaving instances within the bag unlabeled. This…

机器学习 · 计算机科学 2021-07-28 Tam Nguyen , Raviv Raich

In recent years, there has been an increasing number of frameworks developed for biomedical entity and relation extraction. This research effort aims to address the accelerating growth in biomedical publications and the intricate nature of…

计算与语言 · 计算机科学 2024-08-14 Minh Nguyen , Phuong Le