The document discusses a collaborative filtering-based web service recommender system designed to aid users in selecting services with optimal quality-of-service (QoS) performance amidst the growing number of publicly available web services. It highlights the use of location information and QoS values for clustering users and services, resulting in personalized recommendations with improved accuracy compared to existing methods. Comprehensive experiments involving over 1.5 million QoS records demonstrate the effectiveness of the proposed approach.