A Method and System for Entity Alignment in Cross-lingual Knowledge Space Based on Link Prediction

A technology of link prediction and entity pairing, applied in semantic analysis, relational database, semantic tool creation, etc., can solve the problems of incomplete information entry, labor-intensive, restricted word translation accuracy, polysemous words, etc., and achieve saving Computing resources, designing lightweight effects

Active Publication Date: 2022-02-22
BEIHANG UNIV
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Problems solved by technology

However, these knowledge spaces have certain limitations. For example, the English knowledge space does not include comprehensive information for non-English regions. Therefore, by integrating information from these different language knowledge spaces, a larger and more comprehensive multilingual knowledge space system is formed. , can provide customers with more comprehensive information services
However, the traditional word translation model-based fusion technology is limited by the accuracy of word translation and the polysemy of the word itself. For example, the word Chaoyang can refer to Chaoyang District in Beijing or Chaoyang City in Liaoning Province.
The deep learning model learns the entity and relationship vectors of the knowledge space, and uses the labeled entity pairs to train the alignment model, which requires labeling a lot of information and consumes a lot of manpower

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  • A Method and System for Entity Alignment in Cross-lingual Knowledge Space Based on Link Prediction

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[0037] The following is a preferred embodiment of the present invention and the technical solutions of the present invention are further described in conjunction with the accompanying drawings, but the present invention is not limited to this embodiment.

[0038] The method for realizing cross-lingual knowledge space entity alignment based on link prediction in the present invention includes four main steps of cross-lingual knowledge space triple fusion, knowledge space representation learning, prediction of new alignment entity pairs, and self-learning adding new training data. They are as follows:

[0039] Cross-lingual knowledge space triple fusion: The main work is to generate new cross-knowledge space triples based on existing aligned seed entity pairs. The existence of these new cross-space triples is to constrain the relationship between the same pair of entities. The semantic vectors are close, and the representation vectors of the entities of the two knowledge spaces ...

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Abstract

The present invention relates to a method and system for realizing entity alignment in a cross-language knowledge space based on link prediction, which combines cross-language knowledge space triples, knowledge space representation learning, predicts new aligned entity pairs, and adds new training data through self-learning. The first step is to generate predicted entity pairs. For a small amount of training corpus, a simple method based on link prediction is designed to predict new entity pairs, and cross-language knowledge space fusion is performed. On this basis, data fusion in the two knowledge spaces is improved. The efficiency of judging whether the entity pairs in the cross-lingual knowledge space are the same entity, the design of the method model is relatively light, and it saves the manpower of labeling.

Description

technical field [0001] The invention relates to the fields of artificial intelligence and machine learning, in particular to a method for realizing entity alignment in cross-language knowledge space based on link prediction. Background technique [0002] With the development of modern Internet technology, more and more information is accumulated on the Internet. When users retrieve information and consult e-commerce companies, they are not only satisfied with the results of traditional simple keyword search and matching, but also pursue more intelligent and personalized search and Q&A services. At present, a large number of Internet companies at home and abroad, such as Google, Amazon, Baidu, and Tencent, have established their own knowledge space systems, using knowledge space technology to provide customers with more intelligent services. Knowledge space technology can combine relevant knowledge in reality, No matter in the field of information retrieval or intelligent qu...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F40/30G06F16/28G06F16/36
CPCG06F16/288G06F16/367
Inventor 李建欣黄洪仁李倩宁元星毛乾任
Owner BEIHANG UNIV
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