Review of Deep Web Data Extraction
Shenglin Li, Chen Chen, Kaiwen Luo, Bo Song · 2019
The Web has rich and comprehensive data resources. Deep Web is larger than the surface web, with wider data coverage, higher quality and stronger structure. This paper summarizes the data extraction technology in Deep Web, expounds the collection method of structured and unstructured Deep Web data, and looks forward to the challenges and development direction of Deep Web data collection research.