Assertion: web crawler | /r/HasProperty | an internet bot
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Source sentences:
text: A Web crawler, sometimes called a spider or spiderbot and often shortened to crawler, is an Internet bot that systematically browses the World Wide Web, typically for the purpose of Web indexing (web spidering).
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.