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Exploiting External Knowledge and Entity Relationship for Entity Search

机译：利用外部知识和实体关系进行实体搜索

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摘要

Entity search has received abroad attentions and researches that aim to retrieve entities matching the query. Conventional methods focus on entity search task on local dataset, e.g. INEX Wikipedia test collection, where the descriptions of entities are given and relationships between entities are also known. In this paper, we propose an entity search method to handle real-world queries, which need to crawl related descriptions of entities and construct relations between entities manually. By mining historical query records and offline data, our method builds an entity relationship network to model the similarity of entities, and converts the entity search problem to within-network classification problem, which can introduce many novel solutions. Then we use the entity relationship based approach as an offline solution and external knowledge based approach as an online solution to build an ensemble classifier for handling entity search problem. Comprehensive experiments on real-world dataset demonstrate that our method can deal with entity search task effectively and obtain satisfactory performance.
机译：实体搜索已受到国外的关注和研究，旨在检索与查询匹配的实体。常规方法集中于在本地数据集上的实体搜索任务，例如INEX维基百科测试集合，其中提供了实体的描述，并且实体之间的关系也是已知的。在本文中，我们提出了一种实体搜索方法来处理现实世界中的查询，该方法需要抓取实体的相关描述并手动构建实体之间的关系。通过挖掘历史查询记录和离线数据，我们的方法建立了一个实体关系网络来对实体的相似性进行建模，并将实体搜索问题转化为网络内分类问题，从而可以引入许多新颖的解决方案。然后，我们使用基于实体关系的方法作为离线解决方案，并使用基于外部知识的方法作为在线解决方案来构建用于处理实体搜索问题的集成分类器。对真实数据集的综合实验表明，该方法可以有效地处理实体搜索任务，并获得令人满意的性能。

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  • 来源
  • 会议地点 Kunming(CN)
  • 作者

    Le Li; Junyi Xu; Weidong Xiao; Shengze Hu; Haiming Tong;

  • 作者单位

    College of Information System and Management, National University of Defense Technology, Changsha, China,China Satellite Maritime Tracking and Control Department, Jiangyin, China;

    College of Information System and Management, National University of Defense Technology, Changsha, China;

    College of Information System and Management, National University of Defense Technology, Changsha, China;

    College of Information System and Management, National University of Defense Technology, Changsha, China;

    China Satellite Maritime Tracking and Control Department, Jiangyin, China;

  • 会议组织
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Entity search; External knowledge; Entity relationship;

    机译：实体搜索；外部知识；实体关系;

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