Huawei Cloud Computing Technologies Co., Ltd.

Yuen Chau Pang

Khalid Ahmed

Lei Guo

A data query method is provided. The data query method includes: receiving from a client a first query request including a first data identifier; sending back first data indicated by the first data identifier to the client; determining a retrieving strategy based on a query time cost of the first data, a loading time cost of the first data, a data freshness target, and a query latency target, retrieving second data and a data relationship that are associated with the first data according to the retrieving strategy from a data destination, wherein the second data and the data relationship meet the data freshness target, and the data relationship includes a relationship between the second data and the first data; receiving from the client a second query request including a second data identifier; sending back the second data indicated by the second data identifier to the client.

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Toronto, Canada

Yuen Chau Pang