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公开(公告)号：US20150278311A1
公开(公告)日：2015-10-01
申请号：US14438907
申请日：2013-02-27
Applicant: HITACHI DATA SYSTEMS CORPORATION
Inventor： Benjamin Isherwood , Yury Kats , Rich Rogers
CPC classification number: G06F17/30321 , G06F12/1425 , G06F17/30091 , G06F17/30106 , G06F17/3012 , G06F17/30233 , G06F17/30424 , G06F17/30525 , G06F17/30607 , G06F17/30705 , G06F17/30882 , G06F17/30911 , G06F17/30997 , G06F2212/1052
Abstract: A storage system comprises a controller; a memory; and one or more objects each including content data and metadata. The metadata is used to construct user-defined content properties, each content property providing an ability to extract a specific metadata field from the objects by referring to a user-defined content property name of the content property. The content properties are organized into user-defined content classes, each content class grouping a set of content properties into a named category under a user-defined content class name. The controller is operable to index the content properties of the content classes to create an index. The content properties being indexed are identified by the content property names. In some embodiments, the controller is operable to de-dupe the index, for content properties having same values expressed differently in different metadata formats, by directing the differently expressed values to same index field under same content property name.
Abstract translation: 存储系统包括控制器; 记忆 以及一个或多个对象，每个对象包括内容数据和元数据。 元数据用于构造用户定义的内容属性，每个内容属性提供通过参考内容属性的用户定义的内容属性名称从对象中提取特定元数据字段的功能。 内容属性被组织到用户定义的内容类中，每个内容类将用户定义的内容类名称下的一组内容属性分组成命名类别。 控制器可操作地索引内容类的内容属性以创建索引。 索引的内容属性由内容属性名称标识。 在一些实施例中，对于具有以不同元数据格式不同表示的相同值的内容属性，控制器可操作地通过将不同表达的值引导到相同内容属性名称下的相同索引字段来去重复该索引。
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公开(公告)号：US09639564B2
公开(公告)日：2017-05-02
申请号：US15015529
申请日：2016-02-04
Applicant: Hitachi Data Systems Corporation
Inventor： Benjamin Isherwood, Jr. , Yury Kats , Rich Rogers
CPC classification number: G06F17/30321 , G06F12/1425 , G06F17/30091 , G06F17/30106 , G06F17/3012 , G06F17/30233 , G06F17/30424 , G06F17/30525 , G06F17/30607 , G06F17/30705 , G06F17/30882 , G06F17/30911 , G06F17/30997 , G06F2212/1052
Abstract: In some examples, a plurality of content properties may be used for managing indexing of object data, such as a plurality of files. Each content property may include an expression for extracting data values from specific data fields in the object data. Further, each content property may include a name that may be used for indexing the objects using the extracted data values. For instance, multiple content properties may have the same name, but may each have different expressions for extracting different data values from different data fields. Accordingly, the content properties may be used to extract desired data values from the objects for indexing. When a search query is received including a content property name and a specified value, one or more of the objects that are indexed with the specified value may be searched.
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公开(公告)号：US09965502B2
公开(公告)日：2018-05-08
申请号：US14438907
申请日：2013-02-27
Applicant: Hitachi Data Systems Corporation
Inventor： Benjamin Isherwood, Jr. , Yury Kats , Rich Rogers
CPC classification number: G06F17/30321 , G06F12/1425 , G06F17/30091 , G06F17/30106 , G06F17/3012 , G06F17/30233 , G06F17/30424 , G06F17/30525 , G06F17/30607 , G06F17/30705 , G06F17/30882 , G06F17/30911 , G06F17/30997 , G06F2212/1052
Abstract: A storage system comprises a controller; a memory; and one or more objects each including content data and metadata. The metadata is used to construct user-defined content properties, each content property providing an ability to extract a specific metadata field from the objects by referring to a user-defined content property name of the content property. The content properties are organized into user-defined content classes, each content class grouping a set of content properties into a named category under a user-defined content class name. The controller is operable to index the content properties of the content classes to create an index. The content properties being indexed are identified by the content property names. In some embodiments, the controller is operable to de-dupe the index, for content properties having same values expressed differently in different metadata formats, by directing the differently expressed values to same index field under same content property name.
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