Updating and Querying Databases that Track Mobile Units
Distributed and Parallel Databases - Special issue on mobile data management and applications
Transmission of continuous query results in mobile computing systems
Information Sciences—Applications: An International Journal
Implementing soft real-time agent control
Proceedings of the fifth international conference on Autonomous agents
Modeling and Querying Moving Objects
ICDE '97 Proceedings of the Thirteenth International Conference on Data Engineering
Monitoring Continuous Location Queries Using Mobile Agents
ADBIS '02 Proceedings of the 6th East European Conference on Advances in Databases and Information Systems
DEXA '01 Proceedings of the 12th International Workshop on Database and Expert Systems Applications
DASFAA '01 Proceedings of the 7th International Conference on Database Systems for Advanced Applications
MASIF: The OMG Mobile Agent System Interoperability Facility
MA '98 Proceedings of the Second International Workshop on Mobile Agents
ANTARCTICA: A Multiagent System for Internet Data Services in a Wireless Computing Framework
IMWS '01 Revised Papers from the NSF Workshop on Developing an Infrastructure for Mobile and Wireless Systems
Mobile agents for mobile computing
Mobile agents for mobile computing
Location-dependent queries evaluation in mobile networks
UbiMob '04 Proceedings of the 1st French-speaking conference on Mobility and ubiquity computing
A study of the model and algorithms for handling location-dependent continuous queries
Knowledge and Information Systems
Location-Dependent Queries in Mobile Contexts: Distributed Processing Using Mobile Agents
IEEE Transactions on Mobile Computing
Using cooperative mobile agents to monitor distributed and dynamic environments
Information Sciences: an International Journal
Location-dependent query processing: Where we are and where we are heading
ACM Computing Surveys (CSUR)
Self-synchronization of cooperative agents in a distributed environment
CEEMAS'03 Proceedings of the 3rd Central and Eastern European conference on Multi-agent systems
EDBT'04 Proceedings of the 2004 international conference on Current Trends in Database Technology
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Among mobile computing applications, location-based Services are expected to be a big business for wireless operators. These services provide value added by considering the location of the user in order to give him/her more customized information. However, the processing of continuous location-dependent queries is still a subject of research. One of the key issues is how to update the answer presented to the user efficiently as it becomes obsolete very quickly.The goal of this paper is to analyze how to deal with situations where the answer cannot be updated with the desired frequency. We present several approaches to this problem and evaluate their performance.