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Few-shot learning that trains image classifiers over few labeled examples per category is a challenging task. In this paper, we propose to exploit an additional big dataset with different categories to improve the accuracy of few-shot…

计算机视觉与模式识别 · 计算机科学 2018-05-29 Liangqu Long , Wei Wang , Jun Wen , Meihui Zhang , Qian Lin , Beng Chin Ooi

Relation Extraction (RE) is a pivotal task in automatically extracting structured information from unstructured text. In this paper, we present a multi-faceted approach that integrates representative examples and through co-set expansion.…

计算与语言 · 计算机科学 2023-08-24 Yerong Li , Roxana Girju

The successful application of deep learning to many visual recognition tasks relies heavily on the availability of a large amount of labeled data which is usually expensive to obtain. The few-shot learning problem has attracted increasing…

机器学习 · 计算机科学 2020-03-11 Zhongjie Yu , Lin Chen , Zhongwei Cheng , Jiebo Luo

Link prediction is an important way to complete knowledge graphs (KGs), while embedding-based methods, effective for link prediction in KGs, perform poorly on relations that only have a few associative triples. In this work, we propose a…

计算与语言 · 计算机科学 2019-09-05 Mingyang Chen , Wen Zhang , Wei Zhang , Qiang Chen , Huajun Chen

The goal of few-shot learning is to recognize new visual concepts with just a few amount of labeled samples in each class. Recent effective metric-based few-shot approaches employ neural networks to learn a feature similarity comparison…

计算机视觉与模式识别 · 计算机科学 2020-04-17 Xiaomeng Li , Lequan Yu , Chi-Wing Fu , Meng Fang , Pheng-Ann Heng

The success of deep learning methods hinges on the availability of large training datasets annotated for the task of interest. In contrast to human intelligence, these methods lack versatility and struggle to learn and adapt quickly to new…

计算与语言 · 计算机科学 2020-10-13 Nithin Holla , Pushkar Mishra , Helen Yannakoudakis , Ekaterina Shutova

We propose to address the problem of few-shot classification by meta-learning "what to observe" and "where to attend" in a relational perspective. Our method leverages relational patterns within and between images via self-correlational…

计算机视觉与模式识别 · 计算机科学 2021-08-24 Dahyun Kang , Heeseung Kwon , Juhong Min , Minsu Cho

Transfer-learning and meta-learning are two effective methods to apply knowledge learned from large data sources to new tasks. In few-class, few-shot target task settings (i.e. when there are only a few classes and training examples…

机器学习 · 计算机科学 2019-02-11 Amir Erfan Eshratifar , Mohammad Saeed Abrishami , David Eigen , Massoud Pedram

Meta-learning has emerged as a trending technique to tackle few-shot text classification and achieve state-of-the-art performance. However, the performance of existing approaches heavily depends on the inter-class variance of the support…

计算与语言 · 计算机科学 2023-06-12 Shuo Lei , Xuchao Zhang , Jianfeng He , Fanglan Chen , Chang-Tien Lu

General purpose relation extraction has recently seen considerable gains in part due to a massively data-intensive distant supervision technique from Soares et al. (2019) that produces state-of-the-art results across many benchmarks. In…

计算与语言 · 计算机科学 2020-12-07 Amith Ananthram , Emily Allaway , Kathleen McKeown

Learning what to share between tasks has been a topic of great importance recently, as strategic sharing of knowledge has been shown to improve downstream task performance. This is particularly important for multilingual applications, as…

计算与语言 · 计算机科学 2020-10-06 Farhad Nooralahzadeh , Giannis Bekoulis , Johannes Bjerva , Isabelle Augenstein

The existing few-shot video classification methods often employ a meta-learning paradigm by designing customized temporal alignment module for similarity calculation. While significant progress has been made, these methods fail to focus on…

计算机视觉与模式识别 · 计算机科学 2021-10-26 Zhenxi Zhu , Limin Wang , Sheng Guo , Gangshan Wu

With such a massive growth in the number of images stored, efficient search in a database has become a crucial endeavor managed by image retrieval systems. Image Retrieval with Relevance Feedback (IRRF) involves iterative human interaction…

计算机视觉与模式识别 · 计算机科学 2023-12-19 Boaz Lerner , Nir Darshan , Rami Ben-Ari

While sentence simplification is an active research topic in NLP, its adjacent tasks of sentence complexification and same-level paraphrasing are not. To train models on all three tasks, we present two new unsupervised datasets. We compare…

计算与语言 · 计算机科学 2023-11-22 Alison Chi , Li-Kuang Chen , Yi-Chen Chang , Shu-Hui Lee , Jason S. Chang

Low-resource Relation Extraction (LRE) aims to extract relation facts from limited labeled corpora when human annotation is scarce. Existing works either utilize self-training scheme to generate pseudo labels that will cause the gradual…

计算与语言 · 计算机科学 2021-09-15 Xuming Hu , Chenwei Zhang , Yawen Yang , Xiaohe Li , Li Lin , Lijie Wen , Philip S. Yu

The joint entity and relation extraction task aims to extract all relational triples from a sentence. In essence, the relational triples contained in a sentence are unordered. However, previous seq2seq based models require to convert the…

计算与语言 · 计算机科学 2020-11-06 Dianbo Sui , Yubo Chen , Kang Liu , Jun Zhao , Xiangrong Zeng , Shengping Liu

Few-shot dense retrieval (DR) aims to effectively generalize to novel search scenarios by learning a few samples. Despite its importance, there is little study on specialized datasets and standardized evaluation protocols. As a result,…

计算与语言 · 计算机科学 2023-04-13 Si Sun , Yida Lu , Shi Yu , Xiangyang Li , Zhonghua Li , Zhao Cao , Zhiyuan Liu , Deiming Ye , Jie Bao

Few-shot learning has attracted intensive research attention in recent years. Many methods have been proposed to generalize a model learned from provided base classes to novel classes, but no previous work studies how to select base…

计算机视觉与模式识别 · 计算机科学 2020-04-02 Linjun Zhou , Peng Cui , Xu Jia , Shiqiang Yang , Qi Tian

Few-shot learning focuses on learning a new visual concept with very limited labelled examples. A successful approach to tackle this problem is to compare the similarity between examples in a learned metric space based on convolutional…

机器学习 · 计算机科学 2024-02-06 Heda Song , Mercedes Torres Torres , Ender Özcan , Isaac Triguero

While relation extraction is an essential task in knowledge acquisition and representation, and new-generated relations are common in the real world, less effort is made to predict unseen relations that cannot be observed at the training…

计算与语言 · 计算机科学 2021-04-13 Chih-Yao Chen , Cheng-Te Li