Python and Web Data Extraction: Introduction
Python and Web Data Extraction: Introduction
Alvin Zuyin Zheng
zheng@temple.edu
Outline
? Overview ? Steps in Web Scraping
? Fetching a Webpage ? Download the webpage ? Extracting information from the webpage ? Storing information in a file
? Tutorial 2: Extracting Textual Data from 10-K
Web scraping typically consist of
Step 1. Fetching a webpage
Step 2. Downloading the
webpage (Optional)
Step 4. Storing information in a file
Step 3. Extracting information from
the webpage
Example: 10-K
URL:
Example: Table with Links
URL:
................
................
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