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Apparatus and method for determining entity attribute values

A technology of entity attributes and attribute values, which is applied in the field of information processing and can solve problems such as conflicts, inconsistencies, and repetitions

Inactive Publication Date: 2016-10-05
FUJITSU LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

These data sources contain entity attribute values ​​that vary, may be duplicated, may be inconsistent, or may be conflicting

Method used

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  • Apparatus and method for determining entity attribute values
  • Apparatus and method for determining entity attribute values
  • Apparatus and method for determining entity attribute values

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Embodiment Construction

[0016] Embodiments of the present invention will be described below with reference to the drawings. Elements and features described in one drawing or one embodiment of the present invention may be combined with elements and features shown in one or more other drawings or embodiments. It should be noted that representation and description of components and processes that are not related to the present invention and known to those of ordinary skill in the art are omitted from the drawings and descriptions for the purpose of clarity.

[0017] The present invention proposes a collaborative entity attribute value completion method. The method first retrieves a data source related to E from the Internet or a database according to a given entity set E, and constructs a related data set S of a single entity e according to the data source. , and then estimate the initial confidence of the data source, and assign the confidence to each attribute value of the data source. In an example ...

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Abstract

The invention relates to an apparatus and a method for determining entity attribute values. The apparatus comprises a data source determination unit, a data source confidence degree calculation unit, an attribute value confidence degree calculation unit and an attribute value determination unit, wherein the data source determination unit is configured to perform retrieval in the internet or a database by taking a name or an another name of an entity as a retrieval word and determine data sources related to the entity, and the entity is one entity in a given entity set; the data source confidence degree calculation unit is configured to calculate a confidence degree of the data source according to various records contained in the data source and the similarity of all entities in the given entity set for each obtained data source; the attribute value confidence degree calculation unit is configured to calculate a confidence degree of each attribute value of the entity according to the confidence degree of the data source; and the attribute value determination unit is configured to determine the attribute value of the entity according to the confidence degree of each attribute value. According to the apparatus and method, a most trusted attribute value is found according to the entity attributes and the attribute values in a plurality of the data sources, and the entity attributes are complemented to obtain richer entity information.

Description

technical field [0001] The present invention relates to the field of information processing, in particular to a device and method for determining attribute values ​​of entities. Background technique [0002] With the rapid development of the Internet, a large amount of data has appeared in the Internet, and there are multiple data sources describing an entity e. These data sources contain entity attribute values ​​that vary, may be duplicated, may be inconsistent, or may be conflicting. Therefore, how to find as many attributes and attribute values ​​of entity e as possible from multiple data sources and ensure the accuracy of these attribute values ​​is very important. [0003] What is needed is an apparatus and method capable of determining attribute values ​​of entities. Contents of the invention [0004] A brief overview of the invention is given below in order to provide a basic understanding of some aspects of the invention. It should be understood that this summa...

Claims

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Application Information

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IPC IPC(8): G06F17/30
Inventor 缪庆亮孟遥
Owner FUJITSU LTD
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