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    • 3. 发明授权
    • Method and apparatus for multi-class, multi-label information categorization
    • 用于多类,多标签信息分类的方法和装置
    • US06453307B1
    • 2002-09-17
    • US09253692
    • 1999-02-22
    • Robert E. SchapireYoram Singer
    • Robert E. SchapireYoram Singer
    • G06F1518
    • G06K9/6256G06N3/08G06N99/005
    • A method and apparatus are provided for multi-class, mutli-label information categorization. A weight is assigned to each information sample in a training set, the training set containing a plurality of information samples, such as text documents, and associated labels. A base hypothesis is determined to predict which labels are associated with a given information sample. The base hypothesis predicts whether or not each label is associated with information sample or predicts the likelihood that each label is associated with the information sample. In the case of a document, the base hypothesis evaluates words in each document to determine one or more words that predict the associated labels. When a base hypothesis is determined, the weight assigned to each information sample in the training set is modified based on the base hypothesis predictions.
    • 提供了一种用于多类,多标签信息分类的方法和装置。 在训练集中的每个信息样本分配权重,训练集包含多个信息样本,例如文本文档和相关联的标签。 确定基础假设以预测哪些标签与给定信息样本相关联。 基础假设预测每个标签是否与信息样本相关联,或预测每个标签与信息样本相关联的可能性。 在文档的情况下,基础假设评估每个文档中的单词以确定预测相关标签的一个或多个单词。 当确定基础假设时,基于基础假设预测修改分配给训练集中的每个信息样本的权重。