Free on Nature’s website (open access): https://www.nature.com/articles/srep02525
When you browse the /recentlycommented page, you are bypassing the ghost towns. You are heading straight for the digital "water cooler." These are the posts where the conversation is still fluid, where questions are being asked, and where the author is likely still replying to feedback. It is the difference between reading a lecture and joining a roundtable discussion. /recentlycommented
However, "recently commented" is not a standard, formal academic term. I’ll interpret your request in the most useful way possible and provide a from credible research that addresses activity-based ranking (especially recency of comments as a driver of visibility/user engagement). Free on Nature’s website (open access): https://www