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NSF Young Investigator: Understanding Basic Issues in Machine Learning, On-line Planning, and Approximate Algorithms

NSF Young Investigator: Understanding Basic Issues in Machine Learning, On-line Planning, and Approximate Algorithms
NSF 青年研究员:了解机器学习、在线规划和近似算法中的基本问题
批准号:
9357793
负责人:
Avrim Blum
金额:
$31.25万
依托单位:
依托单位国家:
美国
项目类别:
Continuing Grant
财政年份:
1993
资助国家:
美国
项目状态:
已结题
起止时间:
1993-08-15 至 1999-01-31

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中文摘要
翻译
这项研究调查了理论工具在机器学习、不完全信息规划和近似算法中分析基本问题的应用。在机器学习领域,一个方向是提供新的算法技术,当有大量关于对象的可用信息但只有少量真正相关时,用于快速学习。这些技术对于加速学习和自动化选择给予学习算法的信息的过程都是潜在的有用的。此外,还研究了使用神经网络学习的新算法,特别是在高维输入空间的困难情况下。研究的其他基础研究问题包括学习和密码学之间的关系,以及学习者可以有效地使用更积极的方法的各种方式。在在线规划领域,过去的工作一直是在具有简单类型障碍的场景中无地图旅行的策略,如果有该地区的地图,可以保证其性能不会比最好的性能差太多。这将扩展到更多不同的情况,包括某些类型的局部地图可用的情况。一个有趣的例子是,先前的探索创建了部分地图。在这里,人们可以将在线计划和学习的想法结合起来。
英文摘要
This research investigates application of theoretical tools to analyze fundamental issues in machine learning, in planning from incomplete information, and in approximation algorithms. In the area of machine learning, one direction is to provide new algorithmic techniques for fast learning when there is much information available about objects but only a small amount is truly relevant. These techniques are potentially useful both for speeding up learning and for automating the process of selecting what information is given to a learning algorithm. Also new algorithms for learning using neural networks are investigated, especially in the difficult case of high dimensional input spaces. Other fundamental research issues examined include relationships between learning and cryptography, and various ways a learner can usefully employ more active approaches. In the domain of on-line planning past work has been on strategies for traveling without a map in scenes with simple types of obstacles, whose performance can be guaranteed to be not too much worse than the best possible, if one had a map of the region. This is expanded to more varied situations, including those where some kinds of partial maps are available. One interesting case is where partial maps are created by previous explorations. Here one can combine ideas of on-line planning and learning.
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会议论文
AF: Small: Foundations for Societal Machine Learning
Graduate Research Fellowship Program (GRFP)
Computer and Information Science and Engineering Graduate Fellowships (CSGrad4US)
Institute for Data, Econometrics, Algorithms and Learning (IDEAL)
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