Knowledge retrieving method

A knowledge and user technology, applied in the field of knowledge retrieval, which can solve problems affecting the efficiency of retrieval models, etc.

Inactive Publication Date: 2015-09-16
HANGZHOU DIANZI UNIV
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Problems solved by technology

That is to say, the retrieval algorithm directl

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Embodiment 1

[0041] Embodiment 1: This embodiment is based on figure 1 and figure 2 The retrieval model diagram and the flow chart of the retrieval algorithm process steps are shown, with image 3 The ontology model of the hydraulic jack part shown as an example is retrieved by matching between concepts.

[0042] image 3 Among them, QK20, RCH-606, JSAH-306 and JSAH-606 are the models of hydraulic jacks respectively, representing the examples of hydraulic jacks. In the ontology model of the hydraulic jack part, each pair of concepts is calculated by the similarity algorithm proposed in this paper. In the calculation and experiment process, set parameters: α=β=0.5.

[0043] 3-1 Start to enter the retrieval requirements, and enter the retrieval request: JSAH series single-acting hollow hydraulic jack with the model number "JSAH-606". The system extracts the retrieval request concept, then the defined user concept set is A={A 1 , A 2 , A 3 , A 4 , A 5}={JSAH series single-acting ho...

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Abstract

The invention discloses a knowledge retrieving method. High retrieval matching needs comprehensive representation of structure and semantic meaning of knowledge; the similarity is computed with the combination of the semantic distance and the semantic attribute; therefore, a body-based knowledge representation process, a body-based knowledge retrieval model and a body-based knowledge retrieval algorithm are provided. According to the knowledge retrieving method, the provided body-based knowledge retrieval algorithm is matched and applied to the provided knowledge retrieval model, and the similarity computation is performed by aiming to the semantic distance of a concept and the concept attribute, so that the obtained result is closer to user demands, and the retrieving efficiency and the knowledge reusability are improved.

Description

technical field [0001] The invention belongs to the field of computer application data processing, and in particular relates to a knowledge retrieval method. Background technique [0002] In the process of design and manufacture, in order to meet customers' requirements for efficient retrieval of knowledge, the retrieval time of knowledge should be shortened and the reusability of knowledge should be increased. Therefore, it is necessary to rationally reuse the existing manufacturing information and develop a retrieval model that can search efficiently. Through information reuse and efficient retrieval methods, the design cycle can be shortened, the design cost can be reduced, and the design quality can be guaranteed. In the process of reusing jack design information, the similarity retrieval method plays a key role. The retrieval mechanism is embodied by retrieval criteria or algorithms, and the purpose is to search for examples similar to the current product design knowled...

Claims

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Application Information

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IPC IPC(8): G06F17/30
CPCG06F16/95G06F16/93
Inventor 苏少辉李鹏飞徐匡黄成毅曾垂远吴凡超
Owner HANGZHOU DIANZI UNIV
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