Sindbad: a location-based social networking system
SIGMOD '12 Proceedings of the 2012 ACM SIGMOD International Conference on Management of Data
MobiFeed: a location-aware news feed system for mobile users
Proceedings of the 20th International Conference on Advances in Geographic Information Systems
The anatomy of Sindbad: a location-aware social networking system
Proceedings of the 5th ACM SIGSPATIAL International Workshop on Location-Based Social Networks
A location-based news article recommendation with explicit localized semantic analysis
Proceedings of the 36th international ACM SIGIR conference on Research and development in information retrieval
GeoRank: an efficient location-aware news feed ranking system
Proceedings of the 21st ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems
A general framework for geo-social query processing
Proceedings of the VLDB Endowment
Mobility and social networking: a data management perspective
Proceedings of the VLDB Endowment
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This paper presents the Geo Feed system, a location-aware news feed system that provides a new platform for its users to get spatially related message updates from either their friends or favorite news sources. Geo Feed distinguishes itself from all existing news feed systems in that it takes into account the spatial extents of messages and user locations when deciding upon the selected news feed. Geo Feed is equipped with three different approaches for delivering the news feed to its users, namely, spatial pull, spatial push, and shared push. Then, the main challenge of Geo Feed is to decide on when to use each of these three approaches to which users. Geo Feed is equipped with a smart decision model that decides about using these approaches in a way that: (a) minimizes the system overhead for delivering the location-aware news feed, and (b) guarantees a certain response time for each user to obtain the requested location-aware news feed. Experimental results, based on real and synthetic data, show that Geo Feed outperforms existing news feed systems in terms of response time and maintenance cost.