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Recent neural supervised topic segmentation models achieve distinguished superior effectiveness over unsupervised methods, with the availability of large-scale training corpora sampled from Wikipedia. These models may, however, suffer from…

计算与语言 · 计算机科学 2022-09-20 Linzi Xing , Patrick Huber , Giuseppe Carenini

Data programming (DP) has proven to be an attractive alternative to costly hand-labeling of data. In DP, users encode domain knowledge into \emph{labeling functions} (LF), heuristics that label a subset of the data noisily and may have…

机器学习 · 计算机科学 2021-06-22 Salva Rühling Cachay , Benedikt Boecking , Artur Dubrawski

Cross-lingual transfer (XLT) is an emergent ability of multilingual language models that preserves their performance on a task to a significant extent when evaluated in languages that were not included in the fine-tuning process. While…

计算与语言 · 计算机科学 2023-10-27 Taejun Yun , Jinhyeon Kim , Deokyeong Kang , Seong Hoon Lim , Jihoon Kim , Taeuk Kim

Direct dependency parsing of the speech signal -- as opposed to parsing speech transcriptions -- has recently been proposed as a task (Pupier et al. 2022), as a way of incorporating prosodic information in the parsing system and bypassing…

计算与语言 · 计算机科学 2024-06-19 Adrien Pupier , Maximin Coavoux , Jérôme Goulian , Benjamin Lecouteux

Unsupervised domain adaptation (UDA) is a statistical learning problem when the distribution of training (source) data is different from that of test (target) data. In this setting, one has access to labeled data only from the source domain…

机器学习 · 计算机科学 2026-02-24 Seonghwi Kim , Sung Ho Jo , Wooseok Ha , Minwoo Chae

We present a family of encodings for sequence labeling dependency parsing, based on the concept of hierarchical bracketing. We prove that the existing 4-bit projective encoding belongs to this family, but it is suboptimal in the number of…

计算与语言 · 计算机科学 2025-07-11 Ana Ezquerro , David Vilares , Anssi Yli-Jyrä , Carlos Gómez-Rodríguez

To recognize objects of the unseen classes, most existing Zero-Shot Learning(ZSL) methods first learn a compatible projection function between the common semantic space and the visual space based on the data of source seen classes, then…

计算机视觉与模式识别 · 计算机科学 2020-01-07 Ziyu Wan , Dongdong Chen , Yan Li , Xingguang Yan , Junge Zhang , Yizhou Yu , Jing Liao

Cross-lingual language tasks typically require a substantial amount of annotated data or parallel translation data. We explore whether language representations that capture relationships among languages can be learned and subsequently…

计算与语言 · 计算机科学 2021-06-07 Dian Yu , Taiqi He , Kenji Sagae

To reduce annotation labor associated with object detection, an increasing number of studies focus on transferring the learned knowledge from a labeled source domain to another unlabeled target domain. However, existing methods assume that…

计算机视觉与模式识别 · 计算机科学 2021-07-01 Xingxu Yao , Sicheng Zhao , Pengfei Xu , Jufeng Yang

Pre-trained embeddings such as word embeddings and sentence embeddings are fundamental tools facilitating a wide range of downstream NLP tasks. In this work, we investigate how to learn a general-purpose embedding of textual relations,…

计算与语言 · 计算机科学 2019-06-04 Zhiyu Chen , Hanwen Zha , Honglei Liu , Wenhu Chen , Xifeng Yan , Yu Su

Distribution regression refers to the supervised learning problem where labels are only available for groups of inputs instead of individual inputs. In this paper, we develop a rigorous mathematical framework for distribution regression…

机器学习 · 计算机科学 2021-09-30 Maud Lemercier , Cristopher Salvi , Theodoros Damoulas , Edwin V. Bonilla , Terry Lyons

In some of object recognition problems, labeled data may not be available for all categories. Zero-shot learning utilizes auxiliary information (also called signatures) describing each category in order to find a classifier that can…

计算机视觉与模式识别 · 计算机科学 2016-06-01 Seyed Mohsen Shojaee , Mahdieh Soleymani Baghshah

Zero-shot learning transfers knowledge from seen classes to novel unseen classes to reduce human labor of labelling data for building new classifiers. Much effort on zero-shot learning however has focused on the standard multi-class…

计算机视觉与模式识别 · 计算机科学 2018-08-08 Meng Ye , Yuhong Guo

This paper presents generalized probabilistic models for high-order projective dependency parsing and an algorithmic framework for learning these statistical models involving dependency trees. Partition functions and marginals for…

计算与语言 · 计算机科学 2015-02-17 Xuezhe Ma , Hai Zhao

We explore the link between the extent to which syntactic relations are preserved in translation and the ease of correctly constructing a parse tree in a zero-shot setting. While previous work suggests such a relation, it tends to focus on…

计算与语言 · 计算机科学 2021-10-12 Ofir Arviv , Dmitry Nikolaev , Taelin Karidi , Omri Abend

Transfer learning aims to enhance performance on a target task by using knowledge from related tasks. However, when the source and target tasks are not closely aligned, it can lead to reduced performance, known as negative transfer. Unlike…

机器学习 · 计算机科学 2024-05-07 Zehong Wang , Zheyuan Zhang , Chuxu Zhang , Yanfang Ye

A semi-supervised learning method for spiking neural networks is proposed. The proposed method consists of supervised learning by backpropagation and subsequent unsupervised learning by spike-timing-dependent plasticity (STDP), which is a…

神经与进化计算 · 计算机科学 2021-06-23 Kotaro Furuya , Jun Ohkubo

Deep Learning heavily depends on large labeled datasets which limits further improvements. While unlabeled data is available in large amounts, in particular in image recognition, it does not fulfill the closed world assumption of…

机器学习 · 计算机科学 2020-12-24 Maximilian Augustin , Matthias Hein

In the absence of labeled target data, unsupervised domain adaptation approaches seek to align the marginal distributions of the source and target domains in order to train a classifier for the target. Unsupervised domain alignment…

计算机视觉与模式识别 · 计算机科学 2024-03-13 Sachin Chhabra , Hemanth Venkateswara , Baoxin Li

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