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Data exploration (XPath (used for computing values from the content of an…
Data exploration
XPath
used for computing values from the content of an XML document
query language
used for selecting nodes from an XML document
web scraping
used for extracting data from websites
image scraping
used to extracting data from images
OCR
mechanical or electronic conversion of images
typed text
handwritten text
printed text
sources
scanned document
photo of a document
scene-photo
HTML
standard markup language for creating web pages and web applications