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Data retrieval method and device and terminal

A data retrieval and data technology, applied in the field of data circulation, can solve the problems of high data access cost, low quality of multi-source data, and inflexible data retrieval, so as to improve access efficiency, reduce workload, and reduce access. cost-effectiveness

Active Publication Date: 2018-03-02
上海数据发展科技有限责任公司
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AI Technical Summary

Problems solved by technology

[0004] However, the data processing efficiency of existing technologies is relatively low
Especially for heterogeneous multi-source data, the existing technology is still unable to carry out automated regularization
This leads to low quality of multi-source data regulation, high cost of data access, and inflexible data retrieval

Method used

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  • Data retrieval method and device and terminal
  • Data retrieval method and device and terminal
  • Data retrieval method and device and terminal

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Embodiment Construction

[0036] As mentioned in the background art, the data processing efficiency of the prior art is relatively low. Especially for heterogeneous multi-source data, the existing technology is still unable to carry out automated regularization. As a result, the quality of multi-source data is low, the cost of data access is high, and data retrieval is not flexible enough.

[0037]In the technical solution of the present invention, since the data provided by multiple suppliers and the retrieval conditions have preset dimension classifications and preset label value classifications, it is possible to search for multiple retrieval conditions of the demand side, avoiding the existing In the technology, only a single data source can be retrieved, which improves the retrieval efficiency; in addition, the suppliers can also be sorted by using the retrieval conditions, and retrieved according to the retrieval order, so that flexible retrieval can be carried out according to the retrieval stra...

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Abstract

The invention discloses a data retrieval method and device and a terminal. The data retrieval method comprises the following steps of: receiving a retrieval priority constraint input by a demand side,wherein the retrieval priority constraint comprises a plurality of retrieval conditions with different priorities; sorting a plurality of suppliers according to the plurality of retrieval conditionsand data provided by the plurality of suppliers so as to obtain a retrieval sequence, wherein the data provided by the plurality of suppliers has preset dimensionality classification and preset labelvalue classification, and the retrieval conditions comprise the preset dimensionality classification and the preset label value classification; receiving a query request sent by the demand side, wherein the query request comprises a main identifier; and retrieving the data provided by the plurality of suppliers according to the retrieval sequence, so as to obtain data matched with the main identifier. Through the data retrieval method and device and the terminal, the data retrieval efficiency is improved.

Description

technical field [0001] The invention relates to the technical field of data circulation, in particular to a data retrieval method, device, and terminal. Background technique [0002] As data has become an important means of production, data circulation across subjects and industries has become increasingly frequent. Data circulation technology has gradually developed in practice. [0003] Existing technologies can manually aggregate, stitch and complete data. [0004] However, the data processing efficiency of the prior art is relatively low. Especially for heterogeneous multi-source data, the existing technology is still unable to carry out automated regularization. As a result, the quality of multi-source data is low, the cost of data access is high, and data retrieval is not flexible enough. Contents of the invention [0005] The technical problem solved by the invention is how to improve the efficiency of data retrieval. [0006] In order to solve the above techni...

Claims

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Application Information

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IPC IPC(8): G06F17/30
CPCG06F16/90348
Inventor 汤奇峰梁偲
Owner 上海数据发展科技有限责任公司
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