Table information extraction method, system and device, medium and program product

The invention relates to a table information extraction method, system and device, a medium and a program product. The table information extraction method comprises the steps of obtaining a table to be subjected to information extraction; the table is input into a pre-trained graph neural network, the content in a target cell extracted from the table by the graph neural network is obtained, and the graph neural network is pre-trained based on the following mode: obtaining a table sample, and performing annotation classification according to a header cell and a content cell of the table sample to obtain a table sample; labeling and classifying header cells and content cells corresponding to the concerned content; and constructing a graph structure according to the labeled table structure of the table sample, and training the graph neural network based on the graph structure and a training task. According to the method, the table to be subjected to information extraction is extracted through the pre-trained gra