CrowdChart: Crowdsourced Data Extraction From Visualization Charts.

Chengliang Chai Guoliang Li Ju Fan Yuyu Luo

Published in: IEEE Trans. Knowl. Data Eng. (2021)

Keyphrases

data extraction
semi structured
web data extraction
data integration
web sources
web pages
web databases
data analysis
information extraction
query interface
data sets
knowledge management
structured data
keywords
case study
website
metadata
databases