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RECSYS
2009
ACM
15 years 8 months ago
Rating aggregation in collaborative filtering systems
Recommender systems based on user feedback rank items by aggregating users’ ratings in order to select those that are ranked highest. Ratings are usually aggregated using a weig...
Florent Garcin, Boi Faltings, Radu Jurca, Nadine J...
WWW
2010
ACM
15 years 8 months ago
Modeling relationship strength in online social networks
Previous work analyzing social networks has mainly focused on binary friendship relations. However, in online social networks the low cost of link formation can lead to networks w...
Rongjing Xiang, Jennifer Neville, Monica Rogati
ECIR
2010
Springer
15 years 2 months ago
Query Performance Prediction: Evaluation Contrasted with Effectiveness
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...
Claudia Hauff, Leif Azzopardi, Djoerd Hiemstra, Fr...
GIS
2007
ACM
16 years 2 months ago
Robust location search from text queries
Robust, global, address geocoding is challenging because there is no single address format that applies to all geographies, and in any case, users may not restrict themselves to w...
Vibhuti S. Sengar, Tanuja Joshi, Joseph Joy, Samar...
EURONGI
2008
Springer
15 years 3 months ago
Performance Evaluation of Overlay-Based Range Queries in Mobile Systems
Current mobility management systems are operator centralized, and focused on single link technologies. In heterogeneous wireless mesh networks, vertical handovers could be a length...
Amine M. Houyou, Alexander Stenzer, Hermann de Mee...