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Resource tree-oriented semantic query method and system

A semantic query, resource-oriented technology, applied in the direction of text database query, unstructured text data retrieval, other database retrieval, etc., can solve problems such as query, unable to deal with diversified access control problems, and semantic query methods cannot be directly used , to achieve the effect of high speed

Active Publication Date: 2019-07-26
CHINA UNITED NETWORK COMM GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the face of the phenomenon that the semantic information is scattered and stored in each node of the resource tree in the Internet of Things, the traditional semantic query method cannot directly perform the query.
In addition, in terms of access control when querying, the traditional semantic query method cannot cope with the diverse access control problems caused by the scattered semantic information in the resource tree.

Method used

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  • Resource tree-oriented semantic query method and system
  • Resource tree-oriented semantic query method and system
  • Resource tree-oriented semantic query method and system

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] figure 1 The flowchart of the resource tree-oriented semantic query method provided by Embodiment 1 of the present invention; please refer to figure 1 , the resource tree-oriented semantic query method provided in this embodiment includes:

[0025] S1. Receive a semantic query request, where the semantic query request includes target resource information. Specifically, the target resource information includes a target resource address, and more specifically, the target resource address is a URL address that can point to a certain resource node in the resource tree.

[0026] S2. Determine the semantic description resources that are allowed to be accessed under the target resource information. Specifically, but not limited to, determine all semantic description resources that are allowed to be accessed under the path (ie address) corresponding to the target resource information.

[0027] S3. In the semantic description resource determined in step S2, perform a semantic...

Embodiment 2

[0040] figure 2 For a flowchart of step S2 in the resource tree-oriented semantic query method provided by Embodiment 2 of the present invention, please refer to figure 2 , the semantic query method provided by this embodiment is similar to the semantic query method provided by the above-mentioned embodiment 1, and also includes steps S1-S3. Since steps S1-S3 have been described in detail in embodiment 1, they will not be described here Let me repeat.

[0041] Only the differences between the present application and the above-mentioned embodiment 1 are described below. Specifically, see figure 2 , preset an association relationship table, and the association relationship table is used to record the corresponding relationship between the object class to which the description object belongs and the information related to the semantic description resource.

[0042] Described step S2 comprises:

[0043] S21. Determine the object class to which the described object belongs a...

Embodiment 3

[0062] image 3 For another flowchart of step S2 in the resource tree-oriented semantic query method provided by Embodiment 3 of the present invention, please refer to image 3 The semantic query method provided in this embodiment is similar to the semantic query method provided in Embodiment 2 above, and the similarities between the two will not be repeated here.

[0063] Only the differences between the present application and the above-mentioned embodiment 2 are described below. Specifically, see image 3 ,

[0064]The corresponding relationship in the association relationship table is: each object class corresponds to a semantic description resource category, and a semantic description resource may include multiple semantic description resource categories.

[0065] The step S21 is to determine the object class to which the described object belongs according to the semantic query request, and search the semantic description resource category corresponding to the object c...

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Abstract

The invention provides a semantic query method and system for a resource tree. The semantic query method for a resource tree comprises the steps of S1, receiving a semantic query request which includes target resource information; S2, determining access-allowed semantic description resources under the target resource information; S3, performing semantic query according to the semantic query request in the semantic description resources determined in the step S2. The semantic query method and system for a resource tree can increase semantic query speed.

Description

technical field [0001] The invention belongs to the technical field of the Internet of Things, and in particular relates to a resource tree-oriented semantic query method and system. Background technique [0002] At present, most IoT platform systems are designed in a software architecture style (that is, RESTful style) that conforms to the principle of REST (Representational State Transfer, REST for short, which means presentation layer state transfer in Chinese), and the IoT resources in the system will be It is exposed in the form of a tree structure, and each resource, as a node on the resource tree, can be identified by a URL address. Moreover, with the development of the Internet of Things, semantic technology is gradually introduced into the Internet of Things system to meet the needs of Internet of Things interoperability and intelligent query. , in order to use the semantic technology, it is necessary to mark the semantic information in the semantic description res...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F16/901G06F16/33
CPCG06F16/3344G06F16/9027
Inventor 毛峻岭
Owner CHINA UNITED NETWORK COMM GRP CO LTD
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