Great paper out of MSR to appear at the upcoming SIGIR conference on short-term personalization. Specifically, it looks at when people refine their search (search again to try to find something) but at least a few of the search results would be the same as a previous search. Do you show them again or not? Right now, search engines ignore whether they have shown the result before recently -- they treat each search as totally independent -- but that is almost certainly the wrong thing to do. What is the right thing to do isn't trivial, but, as this paper shows, probably is worth doing.
Fighting Search Engine Amnesia: Reranking Repeated Results - Microsoft Research
Web search engines frequently show the same documents repeatedly for different queries within the same search session, in essence forgetting when the same documents were already shown to users. Depending on previous user interaction with the repeated results, and the details of the session, ...
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- The same thing goes for sharing on social networks. Should they show me the same link several times, even after I clicked it? Or at times, I'll see someone share something and ignore it. Until I see it shared by some other person whose posts I generally like and end up clicking anyway. Seems like a hard problem!Jul 29, 2013
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