'Marginally useful' diaporamas de présentation

Query Operations

Query Operations. Adapted from Lectures by Prabhakar Raghavan (Yahoo, Stanford) and Christopher Manning (Stanford). Recap: Unranked retrieval evaluation: Precision and Recall. Precision : fraction of retrieved docs that are relevant = P(relevant|retrieved)

614 views • 47 slides

Query Operations

Query Operations. Adapted from Lectures by Prabhakar Raghavan (Yahoo, Stanford) and Christopher Manning (Stanford). Recap: Unranked retrieval evaluation: Precision and Recall. Precision : fraction of retrieved docs that are relevant = P(relevant|retrieved)

552 views • 47 slides

Query Expansion

683 views • 47 slides

UNC

Go to www.unc.edu. connecting. waiting. fetching. The problem : What performance are your customers experiencing on your web site (or Internet service)?. The status quo : Either instrument every machine for marginally useful system statistics,

179 views • 2 slides