Probabilistic counting algorithms for data base applications
Journal of Computer and System Sciences
Approximate Aggregation Techniques for Sensor Databases
ICDE '04 Proceedings of the 20th International Conference on Data Engineering
Spatio-Temporal Aggregation Using Sketches
ICDE '04 Proceedings of the 20th International Conference on Data Engineering
Detecting and correcting malicious data in VANETs
Proceedings of the 1st ACM international workshop on Vehicular ad hoc networks
Efficient attribute authentication with applications to ad hoc networks
Proceedings of the 1st ACM international workshop on Vehicular ad hoc networks
TrafficView: traffic data dissemination using car-to-car communication
ACM SIGMOBILE Mobile Computing and Communications Review
Multiple simulator interlinking environment for IVC
Proceedings of the 2nd ACM international workshop on Vehicular ad hoc networks
Decentralized discovery of free parking places
Proceedings of the 3rd international workshop on Vehicular ad hoc networks
Efficient secure aggregation in VANETs
Proceedings of the 3rd international workshop on Vehicular ad hoc networks
Probabilistic validation of aggregated data in vehicular ad-hoc networks
Proceedings of the 3rd international workshop on Vehicular ad hoc networks
Information dissemination in self-organizing intervehicle networks
IEEE Transactions on Intelligent Transportation Systems
Catch-up: a data aggregation scheme for vanets
Proceedings of the fifth ACM international workshop on VehiculAr Inter-NETworking
Data aggregation and roadside unit placement for a vanet traffic information system
Proceedings of the fifth ACM international workshop on VehiculAr Inter-NETworking
A Message Scheduling Scheme in Hybrid Telematics Networks
ICCSA '08 Proceeding sof the international conference on Computational Science and Its Applications, Part I
Self-estimation of Neighborhood Density for Mobile Wireless Nodes
UIC '09 Proceedings of the 6th International Conference on Ubiquitous Intelligence and Computing
Data aggregation in VANETs: the VESPA approach
Proceedings of the 5th Annual International Conference on Mobile and Ubiquitous Systems: Computing, Networking, and Services
A fuzzy logic based approach for structure-free aggregation in vehicular ad-hoc networks
Proceedings of the sixth ACM international workshop on VehiculAr InterNETworking
A fundamental scalability criterion for data aggregation in VANETs
Proceedings of the 15th annual international conference on Mobile computing and networking
Removal of misbehaving insiders in anonymous VANETs
Proceedings of the 12th ACM international conference on Modeling, analysis and simulation of wireless and mobile systems
Résumé de flux d'événements dans les réseaux inter-véhiculaires
Proceedings of the 5th French-Speaking Conference on Mobility and Ubiquity Computing
Vehicular telematics over heterogeneous wireless networks: A survey
Computer Communications
A new architecture for data collection in vehicular networks
ICC'09 Proceedings of the 2009 IEEE international conference on Communications
NILDD: nearest intersection location dependent dissemination of traffic information in VANETs
Proceedings of the 2011 International Conference on Communication, Computing & Security
Efficient and secure threshold-based event validation for VANETs
Proceedings of the fourth ACM conference on Wireless network security
Location based information storage and dissemination in vehicular ad hoc networks
ADBIS'09 Proceedings of the 13th East European conference on Advances in Databases and Information Systems
Secure Distributed Data Aggregation
Foundations and Trends in Databases
Cluster based data aggregation in vehicular adhoc network
Nets4Cars/Nets4Trains'12 Proceedings of the 4th international conference on Communication Technologies for Vehicles
LoadingZones: leveraging street parking to enable vehicular internet access
Proceedings of the seventh ACM international workshop on Challenged networks
A cooperative scheme to aggregate spatio-temporal events in VANETs
Proceedings of the 16th International Database Engineering & Applications Sysmposium
Cognitive Agent Based Critical Information Gathering and Dissemination in Vehicular Ad hoc Networks
Wireless Personal Communications: An International Journal
SeDyA: secure dynamic aggregation in VANETs
Proceedings of the sixth ACM conference on Security and privacy in wireless and mobile networks
Demand-based location dependent data dissemination in VANETs
Proceedings of the 19th annual international conference on Mobile computing & networking
Review: Information management in vehicular ad hoc networks: A review
Journal of Network and Computer Applications
A Framework For Handling Local Broadcast Storm Using Probabilistic Data Aggregation In VANET
Wireless Personal Communications: An International Journal
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We propose an algorithm for the hierarchical aggregation of observations in dissemination-based, distributed traffic information systems. Instead of carrying specific values (e.g., the number offree parking places in a given area), our aggregates contain a modified Flajolet-Martin sketch as a probabilistic approximation. The main advantage of this approach is that the aggregates are duplicate insensitive. This overcomes two central problems of existing aggregation schemes for VANET applications. First, when multiple aggregates of observations for the same area are available, it is possible to combine them into an aggregate containing all information from the original aggregates. This is fundamentally different from existing approaches where typically one of the aggregates is selected for further use while the rest is discarded. Second, any observation or aggregate can be included into higher level aggregates, regardless if it has already been previously - directly or indirectly - added. As a result of those characteristics the quality of the aggregates is high, while their construction is very flexible. We demonstrate these traits of our approach by a simulation study.