Adjusting Featured Snippet Answers by Context
https://www.seobythesea.com/2020/10/adjusting-featured-snippet-answers-by-context/

How Passages are ranked, and those rankings are adjusted by headings &named anchor links
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Context scoring adjustments for answer passages
Inventors: Nitin Gupta, Srinivasan Venkatachary , Lingkun Chu, and Steven D. Baker
US Patent: 9,959,315
Granted: May 1, 2018
Appl. No.: 14/169,960
Filed: January 31, 2014
http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO1&Sect2=HITOFF&d=PALL&p=1&u=%2Fnetahtml%2FPTO%2Fsrchnum.htm&r=1&f=G&l=50&s1=9,959,315.PN.&OS=PN/9,959,315&RS=PN/9,959,315
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Receiving a query that is a question query seeking an answer response
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•Receiving candidate answer passages, each passage made of text selected from a text section subordinate to a heading on a resource, with a corresponding answer score
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•Determining a hierarchy of headings on a page, w/2+ heading levels hierarchically arranged in parent-child relationships, where each heading level has one or more headings, a subheading of a respective heading is a child heading in a parent-child relationship
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•And the respective heading is a parent heading in that relationship, and the heading hierarchy includes a root level corresponding to a root heading (for each candidate answer passage)
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•Determining a heading vector describing a path in the hierarchy of headings from the root heading to the respective heading to which the candidate answer passage is subordinate,
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determining a context score based, at least in part, on the heading vector, adjusting the answer score of the candidate answer passage at least in part by the context score to form an adjusted answer score
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•Selecting an answer passage from the candidate answer passages based on the adjusted answer scores
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