Assertion: web crawler | /r/CapableOf | note the freshness of the content
Facets:
value: to try to understand
type: PURPOSE
Source sentences:
text: Updating the Index: Web crawlers note key signals, such as the content, keywords, and the freshness of the content, to try to understand what a page is about.
text: Web crawlers note key signals, such as the content, keywords, and the freshness of the content, to try to understand what a page is about.