What is web scraping Give some of its uses-00523
This subjective question is related to the book/course vu cs304 Object Oriented Programming. It can also be found in vu cs304 Mid Term Solved Past Paper No. 2.
Question 1: What is web scraping? Give some of its uses.
Answer:
Web scraping means Lot of data in a web page, but is mixed with a lot of "junk".
Problems:
- Limited query interfaces
- Fill in forms
- "Free text" fields
- e.g. addresses
- Inconsistent output
- i.e., html tags which mark interesting fields might be different on different pages.
- Rapid change without notice.