SharePoint 2013 Search: How clicks change relevancy and rank scoring

If you've ever looked at rank log or the ExplainRank.aspx page, you may have noticed that term frequency scoring is only a portion of the total rank score.  There are many other relevancy features which contribute to rank scoring.  Among them are "click events".  Click events measure the interaction, or lack of interaction, between a…


SharePoint 2013 Search: Full-Text Index and Context Weight Groups – What is wrong with my rank model?

In a previous blog, I talked about the important relationship between relevancy, rank models, managed properties, the full-text index and context weight groups.  If you are going to doing any relevancy tuning, you must understand how managed properties map to context weight groups in the full-text index and how, through the rank model, you can…


SharePoint 2013 Search: People Search – “Why are my results so bad?” Understanding Relevancy, the Rank Model, Full-Text Index, and Fuzzy Matching

I’ve heard this question come up enough now that I think it warrants deeper examination.  Several customers have complained about “bad results” in people search.  They search for Katherine Doe, but the number-one result is for Cathy Smith and it’s ranked higher than the Katherine Doe result.  While this seems like bad relevancy, if we…


SharePoint 2013 Search: People Search – “Why are my results so bad?” Understanding Relevancy, the Rank Model, Full-Text Index, Fuzzy Matching, and Social Distance

I’ve heard this question come up enough now that I think it warrants deeper examination.  Several customers have complained about “bad results” in people search.  They search for Katherine Doe, but the number-one result is for Cathy Smith and it’s ranked higher than the Katherine Doe result.  While this seems like bad relevancy, if we…