公开(公告)号：US20210303772A1

公开(公告)日：2021-09-30

申请号：US17023721

申请日：2020-09-17

Applicant: Beijing Baidu Netcom Science and Technology Co., Ltd.

Inventor： Zhen Zhang ,  Yipeng Zhang ,  Minghao Liu ,  Jiangliang Guo

IPC: G06F40/14 ,  G06K9/00 ,  G06N3/04 ,  G06F40/211

Abstract: A method and apparatus for constructing a document heading tree, an electronic device and a storage medium are provided. The method includes: performing a rule matching between a text feature of each of paragraphs in a document to be processed and a paragraph feature in a predefined rule, according to the predefined rule; determining a paragraph level of each of the paragraphs in the document to be processed according to a result of the rule matching, in a case where the rule matching is successful; determining a paragraph level of each of the paragraphs in the document to be processed using a machine learning model, in a case where the rule matching is failed; and constructing a document heading tree of the document to be processed based on the paragraph level of each of the paragraphs.