Knowledge graph construction method and system for nutrition and health
A knowledge map and nutrition technology, applied in the field of knowledge map construction for nutrition and health, can solve the problems that the knowledge map cannot meet the practical standards, and achieve the effect of improving practicability, good processing effect, and good logical relationship
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[0140] Such as Figure 7 As shown, this example illustrates the process of building a knowledge map for the field of nutrition and health:
[0141] 1) Construct ontology structure:
[0142] 1a) Obtain ontology data from websites and books of recipes, ingredients, nutrients, disease symptoms, crowds, TCM physique and sports through crawler and ORC technology;
[0143] 1b) Establish an ontology structure for each data source through the structure of the website or book, and the ontology structure in this embodiment is a structure tree;
[0144] 1c) if Figure 8 As shown, multiple structure trees are merged into one structure tree by simple merging;
[0145] 1d) if Figure 9 As shown, through logical merging, redundant nodes are removed from the structure tree obtained in step 1c), and the structure tree is constructed. It is found that the entity "vegetable" has a "green" label under the two data sources, and the corresponding description refers to the color and For the pla...
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