Hierarchical Machine Learning for Information Networks

信息网络的分层机器学习

基本信息

  • 批准号:
    RGPIN-2018-05938
  • 负责人:
  • 金额:
    $ 5.97万
  • 依托单位:
  • 依托单位国家:
    加拿大
  • 项目类别:
    Discovery Grants Program - Individual
  • 财政年份:
    2022
  • 资助国家:
    加拿大
  • 起止时间:
    2022-01-01 至 2023-12-31
  • 项目状态:
    已结题

项目摘要

Machine learning for Artificial Intelligence (AI) is a key technology for the future, which has seen strong investment from Canadian governments and businesses. The most advanced AI systems use the most informative data. Especially valuable are information networks that describe links between objects. These links can be material, as in a computer network, or represent abstract relationships, like friendships in a social network, or spatial relationships in an image. Information networks are ubiquitous, maintained by many organizations in a relational database. The goal of my research program is to develop new machine learning methods that leverage, analyze, and integrate the heterogeneous and interdependent data sources in an information network. Machine learning for information networks has led to state-of-the-art performance in several data analysis tasks, such as link-based classification and clustering, link prediction, database query optimization, exception mining, anomaly and fraud detection. A cutting-edge application is extracting network information from massive data sets containing text and/or images. For instance, Google researchers have applied machine learning to web information to build an information network (called the knowledge graph) that contains 570M nodes (entities) and 1.8 billion facts (relationships and attributes). The proposed research develops methods that leverage a class ontology to learn a graphical model for a large information network. A graphical model (such as a Bayesian network or a causal graph) can be viewed as a probabilistic knowledge base that represents statistical patterns among nodes, links, and attributes of nodes and links. Graphical model learning therefore provides automated construction of large knowledge bases, which support many data analysis tasks, including link-based predictions and information extraction. In many complex domains, ontologies or class hierarchies are available that provide valuable knowledge about the structure of a domain. For example, in a public university, a faculty member is a department employee, who is a university employee, who is a government employee. My research will investigate how class hierarchies increase the validity of statistical conclusions, the accuracy of statistical models, and the computational scalability of statistical learning for information networks. Machine learning for information networks is a fundamental technology for next-generation AI applications, such as extracting structured information from massive text and visual data. The proposed research will contribute an important component technology, graphical model learning and automated knowledge base construction. Students will be trained to develop methods for machine learning from information networks, and to apply them in Canadian industry.
人工智能(AI)机器学习是未来的关键技术,加拿大政府和企业对此进行了大力投资。最先进的人工智能系统使用最丰富的数据。尤其有价值的是描述对象之间链接的信息网络。这些链接可以是物质的,如在计算机网络中,也可以表示抽象的关系,如社交网络中的友谊,或图像中的空间关系。信息网络无处不在,由许多组织在关系数据库中维护。我的研究计划的目标是开发新的机器学习方法,利用,分析和整合信息网络中的异构和相互依赖的数据源。信息网络的机器学习已经在几个数据分析任务中实现了最先进的性能,例如基于链接的分类和聚类、链接预测、数据库查询优化、异常挖掘、异常和欺诈检测。 一个前沿应用是从包含文本和/或图像的海量数据集中提取网络信息。例如,谷歌研究人员将机器学习应用于网络信息,构建了一个包含5.7亿个节点(实体)和18亿个事实(关系和属性)的信息网络(称为知识图)。 所提出的研究开发的方法,利用类本体学习一个大型信息网络的图形模型。图形模型(例如贝叶斯网络或因果图)可以被视为表示节点、链路以及节点和链路的属性之间的统计模式的概率知识库。因此,图形模型学习提供了大型知识库的自动构建,支持许多数据分析任务,包括基于链接的预测和信息提取。在许多复杂的领域中,本体或类层次结构是可用的,它们提供关于领域结构的有价值的知识。例如,在一所公立大学,教员是一个部门的雇员,谁是大学的雇员,谁是政府雇员。我的研究将探讨类层次结构如何提高统计结论的有效性,统计模型的准确性,以及信息网络统计学习的计算可扩展性。信息网络的机器学习是下一代人工智能应用的基础技术,例如从大量文本和视觉数据中提取结构化信息。本文的研究将为构件技术、图形模型学习和知识库自动化建设提供重要的参考。学生将接受培训,以开发从信息网络中进行机器学习的方法,并将其应用于加拿大工业。

项目成果

期刊论文数量(0)
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会议论文数量(0)
专利数量(0)

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Schulte, Oliver其他文献

Biased penalty calls in the National Hockey League
  • DOI:
    10.1002/sam.11320
  • 发表时间:
    2016-10-01
  • 期刊:
  • 影响因子:
    1.3
  • 作者:
    Beaudoin, David;Schulte, Oliver;Swartz, Tim B.
  • 通讯作者:
    Swartz, Tim B.

Schulte, Oliver的其他文献

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{{ truncateString('Schulte, Oliver', 18)}}的其他基金

Hierarchical Machine Learning for Information Networks
信息网络的分层机器学习
  • 批准号:
    RGPIN-2018-05938
  • 财政年份:
    2021
  • 资助金额:
    $ 5.97万
  • 项目类别:
    Discovery Grants Program - Individual
Hierarchical Machine Learning for Information Networks
信息网络的分层机器学习
  • 批准号:
    RGPIN-2018-05938
  • 财政年份:
    2020
  • 资助金额:
    $ 5.97万
  • 项目类别:
    Discovery Grants Program - Individual
Hierarchical Machine Learning for Information Networks
信息网络的分层机器学习
  • 批准号:
    RGPIN-2018-05938
  • 财政年份:
    2019
  • 资助金额:
    $ 5.97万
  • 项目类别:
    Discovery Grants Program - Individual
Hierarchical Machine Learning for Information Networks
信息网络的分层机器学习
  • 批准号:
    522721-2018
  • 财政年份:
    2019
  • 资助金额:
    $ 5.97万
  • 项目类别:
    Discovery Grants Program - Accelerator Supplements
Reinforcement Learning for Sports Analytics****
体育分析的强化学习****
  • 批准号:
    521357-2018
  • 财政年份:
    2018
  • 资助金额:
    $ 5.97万
  • 项目类别:
    Strategic Projects - Group
Hierarchical Machine Learning for Information Networks
信息网络的分层机器学习
  • 批准号:
    522721-2018
  • 财政年份:
    2018
  • 资助金额:
    $ 5.97万
  • 项目类别:
    Discovery Grants Program - Accelerator Supplements
Hierarchical Machine Learning for Information Networks
信息网络的分层机器学习
  • 批准号:
    RGPIN-2018-05938
  • 财政年份:
    2018
  • 资助金额:
    $ 5.97万
  • 项目类别:
    Discovery Grants Program - Individual
Learning Bayes Nets for Relational Data and Heterogenous Networks
学习关系数据和异构网络的贝叶斯网络
  • 批准号:
    217331-2013
  • 财政年份:
    2017
  • 资助金额:
    $ 5.97万
  • 项目类别:
    Discovery Grants Program - Individual
Modelling hockey player and team performance
为曲棍球运动员和球队表现建模
  • 批准号:
    499342-2016
  • 财政年份:
    2016
  • 资助金额:
    $ 5.97万
  • 项目类别:
    Engage Plus Grants Program
Hockey player tracking and analytics
曲棍球运动员跟踪和分析
  • 批准号:
    504787-2016
  • 财政年份:
    2016
  • 资助金额:
    $ 5.97万
  • 项目类别:
    Engage Grants Program

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Hierarchical Machine Learning for Information Networks
信息网络的分层机器学习
  • 批准号:
    RGPIN-2018-05938
  • 财政年份:
    2021
  • 资助金额:
    $ 5.97万
  • 项目类别:
    Discovery Grants Program - Individual
Hierarchical Machine Learning for Information Networks
信息网络的分层机器学习
  • 批准号:
    RGPIN-2018-05938
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    2020
  • 资助金额:
    $ 5.97万
  • 项目类别:
    Discovery Grants Program - Individual
Hierarchical Machine Learning for Information Networks
信息网络的分层机器学习
  • 批准号:
    RGPIN-2018-05938
  • 财政年份:
    2019
  • 资助金额:
    $ 5.97万
  • 项目类别:
    Discovery Grants Program - Individual
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