Data Extraction using Web Scraping

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Presentation transcript:

Data Extraction using Web Scraping Ishaan Agrawal Cisco Systems India pvt. Ltd.

Points to cover About the task What is Web Scraping DITA Tags – HTML Mapping How it works Challenges faced and best practices for writers

About the task Problem statement: To extract commands from configuration guides and command reference guides. Use Case: Identify the delta (difference) for command reference content missing on different platforms. Aim: Speed up the process by automating the extraction of commands from guides.

What is Web Scraping Web Scraping (also called Web Data Extraction, Web Harvesting etc.) is a data extraction technique employed to extract large amounts of data from webpages (websites) and saved to your local machine.

DITA Tags – HTML Mapping <synph> <kwd> clear configuration lock </kwd> </synph> <synph> <kwd> clear </kwd> <kwd> configuration </kwd> <kwd> lock </kwd> </synph> HTML Output <span class="synph"><span class="kwd">clear</span> <span class="kwd">configuration</span> <span class="kwd">lock</span></span>

DITA Tags – HTML Mapping Example

How it works Programming language - Python BeautifulSoup – a Python package HTML Source code Validate book URL and extract list of chapters from the TOC Iterate chapter by chapter and extract commands Create a .txt file and write the extracted commands in it