739 search results - page 21 / 148 » Query quality: user ratings and system predictions |
SIGMETRICS
2011
ACM
12 years 11 months ago
2011
ACM
Branch taken rate and transition rate have been proposed as metrics to characterize the branch predictability. However, these two metrics may misclassify branches with regular his...
COLING
2008
13 years 10 months ago
2008
User logs of search engines have recently been applied successfully to improve various aspects of web search quality. In this paper, we will apply pairs of user queries and snippe...
SECURWARE
2008
IEEE
14 years 3 months ago
2008
IEEE
— In current peer-to-peer systems users interact with unknown services and users for the purpose of online transactions such as file sharing and trading of commodities. Peer-to-...
RECSYS
2009
ACM
14 years 3 months ago
2009
ACM
In the Netflix Prize competition many new collaborative filtering (CF) approaches emerged, which are excellent in optimizing the RMSE of the predictions. Matrix factorization (M...
ECIR
2010
Springer
13 years 10 months ago
2010
Springer
Query performance predictors are commonly evaluated by reporting correlation coefficients to denote how well the methods perform at predicting the retrieval performance of a set of...