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公开(公告)号：US10140323B2
公开(公告)日：2018-11-27
申请号：US14549463
申请日：2014-11-20
发明人： Zhen Liu , Chiu Chun Bobby Mak , Xiaomin Deng , Yet Luong Huynh , Ning Wang
摘要： The use of a data model index for assisting in efficient response to a data model query. The data model query identifies the data model itself and references the schema of the data model, rather than referencing the schema of the underlying data source. The index assists by correlating previous model queries on the data model and associated response to those previous model queries. Accordingly, if a similar model query is encountered, the response from the previous model query may still be considered fresh, the index may be used to more efficiently retrieve the results for the similar model query. A data management system may include multiple data models, each having a corresponding data model index.
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公开(公告)号：US10157206B2
公开(公告)日：2018-12-18
申请号：US14549468
申请日：2014-11-20
发明人： Zhen Liu , Chiu Chun Bobby Mak , Ning Wang , Yet Luong Huynh , Chunxing Zhou
摘要： 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 modeling 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 modeling 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.
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