The ongoing DOJ case against Google highlights the company's efforts to eliminate bias in search result clicks caused by link positioning. Evidence presented includes a notion that measuring links' visibility versus clicks can be skewed by where a link ranks. For instance, even a link ranked first for a query like "currency conversion" isn't necessarily superior to one that is second. Google engineers developed methods to counteract this bias, reflecting their commitment to improving search result accuracy, although the full extent of their adjustments remains unclear.
An early signal, [blank] measured how many times a link was shown vs how many times it was clicked. It was found that this measure was biased by link position.
The query 'currency conversion' may return a perfectly reasonable link in position 1, but it might not actually be better than the link displayed in position 2.
The use of [blank] would create a system that reinforced this ranking modification developed by a Google engineer that calculated [blank] (and avoiding bias created by) link position.
Google is doing something around clicks in the search results - although, we don't know exactly how much. It makes sense that Google would want to remove the bias in this math.
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