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We present SEED (Semantic Evaluation for Visual Brain Decoding), a novel metric for evaluating the semantic decoding performance of visual brain decoding models. It integrates three complementary metrics, each capturing a different aspect…

Computer Vision and Pattern Recognition · Computer Science 2026-02-25 Juhyeon Park , Peter Yongho Kim , Jiook Cha , Shinjae Yoo , Taesup Moon

Few-shot learning has drawn researchers' attention to overcome the problem of data scarcity. Recently, large pre-trained language models have shown great performance in few-shot learning for various downstream tasks, such as question…

Computation and Language · Computer Science 2021-03-18 Nayeon Lee , Yejin Bang , Andrea Madotto , Madian Khabsa , Pascale Fung

Few-shot named entity recognition (NER) aims at identifying named entities based on only few labeled instances. Most existing prototype-based sequence labeling models tend to memorize entity mentions which would be easily confused by close…

Computation and Language · Computer Science 2023-04-13 Guanting Dong , Zechen Wang , Liwen Wang , Daichi Guo , Dayuan Fu , Yuxiang Wu , Chen Zeng , Xuefeng Li , Tingfeng Hui , Keqing He , Xinyue Cui , Qixiang Gao , Weiran Xu

As an algorithmic framework for learning to learn, meta-learning provides a promising solution for few-shot text classification. However, most existing research fail to give enough attention to class labels. Traditional basic framework…

Computation and Language · Computer Science 2024-12-16 Guanghua Hou , Shuhui Cao , Deqiang Ouyang , Ning Wang

Claim verification can be a challenging task. In this paper, we present a method to enhance the robustness and reasoning capabilities of automated claim verification through the extraction of short facts from evidence. Our novel approach,…

Computation and Language · Computer Science 2024-07-29 Nazanin Jafari , James Allan

User-generated reviews can be decomposed into fine-grained segments (e.g., sentences, clauses), each evaluating a different aspect of the principal entity (e.g., price, quality, appearance). Automatically detecting these aspects can be…

Machine Learning · Computer Science 2019-09-04 Giannis Karamanolakis , Daniel Hsu , Luis Gravano

Few-shot image classifiers are designed to recognize and classify new data with minimal supervision and limited data but often show reliance on spurious correlations between classes and spurious attributes, known as spurious bias. Spurious…

Computer Vision and Pattern Recognition · Computer Science 2024-09-05 Guangtao Zheng , Wenqian Ye , Aidong Zhang

Few-shot object detection~(FSOD), which aims to detect novel objects with limited annotated instances, has made significant progress in recent years. However, existing methods still suffer from biased representations, especially for novel…

Computer Vision and Pattern Recognition · Computer Science 2024-06-21 Zheng Wang , Yingjie Gao , Qingjie Liu , Yunhong Wang

Few-shot image classification learns to recognize new categories from limited labelled data. Metric learning based approaches have been widely investigated, where a query sample is classified by finding the nearest prototype from the…

Computer Vision and Pattern Recognition · Computer Science 2021-06-04 Zhizheng Zhang , Cuiling Lan , Wenjun Zeng , Zhibo Chen , Shih-Fu Chang

Evidence plays a crucial role in automated fact-checking. When verifying real-world claims, existing fact-checking systems either assume the evidence sentences are given or use the search snippets returned by the search engine. Such methods…

Computation and Language · Computer Science 2024-01-30 Xuming Hu , Junzhe Chen , Zhijiang Guo , Philip S. Yu

Few-shot and zero-shot text classification aim to recognize samples from novel classes with limited labeled samples or no labeled samples at all. While prevailing methods have shown promising performance via transferring knowledge from seen…

Computer Vision and Pattern Recognition · Computer Science 2024-05-07 Han Liu , Siyang Zhao , Xiaotong Zhang , Feng Zhang , Wei Wang , Fenglong Ma , Hongyang Chen , Hong Yu , Xianchao Zhang

Question answering from semi-structured tables can be seen as a semantic parsing task and is significant and practical for pushing the boundary of natural language understanding. Existing research mainly focuses on understanding contents…

Artificial Intelligence · Computer Science 2021-06-08 Xiaoyi Ruan , Meizhi Jin , Jian Ma , Haiqin Yang , Lianxin Jiang , Yang Mo , Mengyuan Zhou

Entity linking aims to link ambiguous mentions to their corresponding entities in a knowledge base, which is significant and fundamental for various downstream applications, e.g., knowledge base completion, question answering, and…

Computation and Language · Computer Science 2022-07-20 Xiuxing Li , Zhenyu Li , Zhengyan Zhang , Ning Liu , Haitao Yuan , Wei Zhang , Zhiyuan Liu , Jianyong Wang

Tables provide valuable knowledge that can be used to verify textual statements. While a number of works have considered table-based fact verification, direct alignments of tabular data with tokens in textual statements are rarely…

Computation and Language · Computer Science 2021-09-10 Fei Wang , Kexuan Sun , Jay Pujara , Pedro Szekely , Muhao Chen

Cutting-edge abstractive summarisers generate fluent summaries, but the factuality of the generated text is not guaranteed. Early summary factuality evaluation metrics are usually based on n-gram overlap and embedding similarity, but are…

Computation and Language · Computer Science 2024-09-24 Yuxuan Ye , Edwin Simpson , Raul Santos Rodriguez

Fact verification is a challenging task that requires simultaneously reasoning and aggregating over multiple retrieved pieces of evidence to evaluate the truthfulness of a claim. Existing approaches typically (i) explore the semantic…

Computation and Language · Computer Science 2021-06-03 Jiasheng Si , Deyu Zhou , Tongzhe Li , Xingyu Shi , Yulan He

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…

Computer Vision and Pattern Recognition · Computer Science 2021-08-24 Dahyun Kang , Heeseung Kwon , Juhong Min , Minsu Cho

With the growing importance of detecting misinformation, many studies have focused on verifying factual claims by retrieving evidence. However, canonical fact verification tasks do not apply to catching subtle differences in factually…

Computation and Language · Computer Science 2023-06-13 Miyoung Ko , Ingyu Seong , Hwaran Lee , Joonsuk Park , Minsuk Chang , Minjoon Seo

We propose a few-shot adaptation framework, which bridges zero-shot learning and supervised many-shot learning, for semantic indexing of image and video data. Few-shot adaptation provides robust parameter estimation with few training…

Multimedia · Computer Science 2018-07-20 Nakamasa Inoue , Koichi Shinoda

Data-aware methods for dimensionality reduction and matrix decomposition aim to find low-dimensional structure in a collection of data. Classical approaches discover such structure by learning a basis that can efficiently express the…

Information Theory · Computer Science 2015-05-06 Eva L. Dyer , Tom A. Goldstein , Raajen Patel , Konrad P. Kording , Richard G. Baraniuk