This paper introduces the characteristics of object co-reference in linked data,the specific problems and the influence on applications,summarizes the two methods to identify the object co-reference,and analyzes the two systems to manage the co-reference data in detail so as to provide references for related research and applications.%文章介绍关联数据对象共指的特点、具体问题及对应用的影响,总结两类共指识别方法,并详细分析两个共指管理系统,以便为相关研究、应用提供借鉴。
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