Data table automatic join recommendation method based on field semantics
A recommendation method and data table technology, applied in digital data processing, natural language data processing, semantic analysis, etc., can solve the problems of data content considerations, lack of most algorithms, etc., and achieve the effect of improving the level of intelligence
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[0030] In order to make the purpose, technical solution and technical effect of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings.
[0031] Such as figure 1 As shown, a kind of data table automatic join recommendation method based on field semantics of the present invention comprises the following steps:
[0032] Step 1. When the two tables are connected to the join node, the auto join recommendation is triggered. Select 5000 non-empty records from the databases of the two tables respectively, and combine the fields in the two data tables to be joined in pairs to calculate the similarity collection of values;
[0033] Step 2, first infer the semantic type of the field, including 13 types including latitude and longitude, country, province, city, zip code, IP address, URL, email, telephone, ID card, passport, category and empty; among them, latitude and longitude, IP address, Regular ma...
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