Assertion: web crawler | /r/HasProperty | program
Facets:
Source sentences:
text: A Web Crawler is a program that navigates the Web and finds new or updated pages for indexing.
text: A web crawler (also known as web spider) is a program which browses the World Wide Web in a methodical, automated manner.
text: Web crawlers, also known as web spiders or internet bots, are programs that browse the web in an automated manner for the purpose of indexing content.