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    • 2. 发明申请
    • DATA RETRIEVAL ACROSS MULTIPLE MODELS
    • 数据检索通过多种模型
    • WO2016008088A1
    • 2016-01-21
    • PCT/CN2014/082213
    • 2014-07-15
    • MICROSOFT TECHNOLOGY LICENSING, LLCLIU, ZhenMAK, Chiu Chun BobbyWANG, NingHUYNH, Yet LuongZHOU, Chunxing
    • LIU, ZhenMAK, Chiu Chun BobbyWANG, NingHUYNH, Yet LuongZHOU, Chunxing
    • G06F17/30
    • G06F17/30477G06F17/30595
    • Model queries that identify and direct to retrieve from one or more logical data models. A model query engine interprets the model queries, and interacts accordingly with the identified logical data model(s) specified in the respective model query. The interaction may be in the form of respective logical data model queries to the respective logical data models, and results are returned in the modelling notation of that respective logical data model. The model query engine may then use the results to interact with a physical data model, after potentially translating the modelling notation into a common notation used by a physical data model. The interaction with the physical data model may be in the form of a physical data model query, with the results therefrom being assembled into a result set. Accordingly, queriers may formulate queries by referencing models, without having to understand the schema of the data source.
    • 识别并直接从一个或多个逻辑数据模型检索的模型查询。 模型查询引擎解释模型查询,并相应地与相应模型查询中指定的识别的逻辑数据模型进行交互。 交互可以是对相应逻辑数据模型的相应逻辑数据模型查询的形式,并且以相应的逻辑数据模型的建模符号返回结果。 然后,模型查询引擎可以在潜在地将建模符号转换为物理数据模型使用的公共符号之后,使用结果与物理数据模型进行交互。 与物理数据模型的交互可以是物理数据模型查询的形式,其结果被组合成结果集。 因此,查询器可以通过引用模型来制定查询,而无需了解数据源的模式。