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洞察 - Location-based services
Validating Citizen Journalism Reports Through Robust Location Proofs in Hindsight
ProLoc is a location proof service that can retroactively generate region proofs for a device's location at a given time, by correlating the device's self-reported locations and short-range radio encounters with nearby devices. ProLoc includes a novel defense against large-scale collusion attacks involving many fictitious devices.
Sequence-Aware Long- and Short-Term Preference Learning for Next Point of Interest Recommendation
The proposed SA-LSPL model effectively captures both the long-term and short-term preferences of users by modeling the spatio-temporal correlations and dependencies at the sequence level, as well as incorporating personalized preferences and social influences.
