Since you mentioned a paper, let me recommend one (although reading it is of no use): Web data extraction, applications and techniques: A survey Summary and introduction to the research classification of structured and semi-structured data extraction over the past few decades. and basic ideas. You can use this paper as an index to read related research.
Since you mentioned a paper, let me recommend one (although reading it is of no use): Web data extraction, applications and techniques: A survey
Summary and introduction to the research classification of structured and semi-structured data extraction over the past few decades. and basic ideas. You can use this paper as an index to read related research.