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    • 60. 发明申请
    • System and Method for Creating and Searching Medical Ontologies
    • 用于创建和搜索医学本体的系统和方法
    • US20090024615A1
    • 2009-01-22
    • US12172367
    • 2008-07-14
    • Vasco Calais PedroLucian Vlad LitaRadu Stefan NiculescuR. Bharat Rao
    • Vasco Calais PedroLucian Vlad LitaRadu Stefan NiculescuR. Bharat Rao
    • G06F17/30
    • G06F17/30734G06F19/00G06F19/324
    • A method for creating and searching medical ontologies includes providing a semi-structured information source comprising a plurality of articles linked to each other, each article having one or more sections and each article is associated with a concept, creating a directed unlabeled graph representative of the information source, providing a plurality of labels, labeling a subset of edges, and assigning each unlabeled edge an equal probability of being assigned one of the labels. For each node, the probability of each outgoing edge is updated by smoothing each probability by an overall probability distribution of labels over all outgoing edges of each node, and the probability of each incoming edge is updated the same way. A label with a maximum probability is assigned to an edge if said maximum probability is greater than a predetermined threshold to create a labeled graph.
    • 一种用于创建和搜索医学本体的方法包括提供包括彼此链接的多个物品的半结构化信息源,每个物品具有一个或多个部分,并且每个物品与概念相关联,创建代表该物品的定向未标记图 信息源,提供多个标签,标记边缘的子集,以及分配每个未标记的边缘等于分配其中一个标签的概率。 对于每个节点,通过在每个节点的所有输出边缘上的标签的总概率分布来平滑每个概率来更新每个出站边缘的概率,并且以相同的方式更新每个进入边缘的概率。 如果所述最大概率大于预定阈值以创建标记图,则将具有最大概率的标签分配给边。