中文
相关论文

相关论文: Nearly-Unsupervised Hashcode Representations for R…

200 篇论文

We propose a general approach to modeling semi-supervised learning (SSL) algorithms. Specifically, we present a declarative language for modeling both traditional supervised classification tasks and many SSL heuristics, including both…

机器学习 · 计算机科学 2017-03-24 Lidong Bing , William W. Cohen , Bhuwan Dhingra

Unsupervised relation extraction (URE) aims at discovering underlying relations between named entity pairs from open-domain plain text without prior information on relational distribution. Existing URE models utilizing contrastive learning,…

计算与语言 · 计算机科学 2023-10-03 Guangxin Zhang , Shu Chen

Supervised hashing aims to map the original features to compact binary codes that are able to preserve label based similarity in the Hamming space. Non-linear hash functions have demonstrated the advantage over linear ones due to their…

计算机视觉与模式识别 · 计算机科学 2016-11-17 Guosheng Lin , Chunhua Shen , Qinfeng Shi , Anton van den Hengel , David Suter

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

In this paper, we present a new algorithm for semi-supervised representation learning. In this algorithm, we first find a vector representation for the labels of the data points based on their local positions in the space. Then, we map the…

机器学习 · 计算机科学 2020-08-05 Ershad Banijamali , Ali Ghodsi

With the advantage of low storage cost and high efficiency, hashing learning has received much attention in the domain of Big Data. In this paper, we propose a novel unsupervised hashing learning method to cope with this open problem to…

计算机视觉与模式识别 · 计算机科学 2020-09-29 Jun Yu , Xiao-Jun Wu

This work proposes deep network models and learning algorithms for unsupervised and supervised binary hashing. Our novel network design constrains one hidden layer to directly output the binary codes. This addresses a challenging issue in…

计算机视觉与模式识别 · 计算机科学 2016-07-19 Thanh-Toan Do , Anh-Dzung Doan , Ngai-Man Cheung

Learning hash functions/codes for similarity search over multi-view data is attracting increasing attention, where similar hash codes are assigned to the data objects characterizing consistently neighborhood relationship across views.…

机器学习 · 计算机科学 2016-11-18 Lin Wu , Yang Wang

Self-supervised learning offers an efficient way of extracting rich representations from various types of unlabeled data while avoiding the cost of annotating large-scale datasets. This is achievable by designing a pretext task to form…

机器学习 · 计算机科学 2023-10-11 Pouya Mehralian , Bagher BabaAli , Ashena Gorgan Mohammadi

This paper focuses on the problem of unsupervised alignment of hierarchical data such as ontologies or lexical databases. This is a problem that appears across areas, from natural language processing to bioinformatics, and is typically…

机器学习 · 计算机科学 2020-05-11 David Alvarez-Melis , Youssef Mroueh , Tommi S. Jaakkola

Low-resourced data presents a significant challenge for neural machine translation. In most cases, the low-resourced environment is caused by high costs due to the need for domain experts or the lack of language experts. Therefore,…

计算与语言 · 计算机科学 2024-05-22 Seunghyun Ji , Hagai Raja Sinulingga , Darongsae Kwon

Open relation extraction is the task of extracting open-domain relation facts from natural language sentences. Existing works either utilize heuristics or distant-supervised annotations to train a supervised classifier over pre-defined…

计算与语言 · 计算机科学 2020-10-07 Xuming Hu , Chenwei Zhang , Yusong Xu , Lijie Wen , Philip S. Yu

Relational datasets are being generated at an alarmingly rapid rate across organizations and industries. Compressing these datasets could significantly reduce storage and archival costs. Traditional compression algorithms, e.g., gzip, are…

数据库 · 计算机科学 2016-06-21 Yihan Gao , Aditya Parameswaran

Fast similarity search is a key component in large-scale information retrieval, where semantic hashing has become a popular strategy for representing documents as binary hash codes. Recent advances in this area have been obtained through…

信息检索 · 计算机科学 2019-06-04 Casper Hansen , Christian Hansen , Jakob Grue Simonsen , Stephen Alstrup , Christina Lioma

Semi-supervised classification is an interesting idea where classification models are learned from both labeled and unlabeled data. It has several advantages over supervised classification in natural language processing domain. For…

计算与语言 · 计算机科学 2014-09-29 Rushdi Shams

Relation extraction aims to identify the target relations of entities in texts. Relation extraction is very important for knowledge base construction and text understanding. Traditional binary relation extraction, including supervised,…

计算与语言 · 计算机科学 2020-12-10 Haiyun Jiang , Qiaoben Bao , Qiao Cheng , Deqing Yang , Li Wang , Yanghua Xiao

Known for efficient computation and easy storage, hashing has been extensively explored in cross-modal retrieval. The majority of current hashing models are predicated on the premise of a direct one-to-one mapping between data points.…

信息检索 · 计算机科学 2024-05-29 Jianzong Wang , Haoxiang Shi , Kaiyi Luo , Xulong Zhang , Ning Cheng , Jing Xiao

This paper introduces a new method for semi-supervised learning on high dimensional nonlinear manifolds, which includes a phase of unsupervised basis learning and a phase of supervised function learning. The learned bases provide a set of…

机器学习 · 统计学 2009-06-30 Kai Yu , Tong Zhang

We present a simple but powerful reinterpretation of kernelized locality-sensitive hashing (KLSH), a general and popular method developed in the vision community for performing approximate nearest-neighbor searches in an arbitrary…

计算机视觉与模式识别 · 计算机科学 2014-11-18 Ke Jiang , Qichao Que , Brian Kulis

Extracting relations from text corpora is an important task in text mining. It becomes particularly challenging when focusing on weakly-supervised relation extraction, that is, utilizing a few relation instances (i.e., a pair of entities…

计算与语言 · 计算机科学 2017-12-27 Meng Qu , Xiang Ren , Yu Zhang , Jiawei Han