Real-time information querying over peer-to-peer networks using timestamps

Michael Gibson, Wamberto Vasconcelos

Research output: Chapter in Book/Report/Conference proceedingPublished conference contribution

1 Citation (Scopus)


Most P2P networks are used for file-sharing applications. These forms of applications mainly rely on keyword searching to locate file resources on the peers. Whilst this querying is suitable for many data-intensive applications, it is not suitable for applications where data changes over short periods of time, also known as time-critical applications. We investigate the use of timestamps on a peer’s knowledge about an application to create queries so that other peers may reply with more up-to-date information to keep the peer’s knowledge up-to-date. We propose means to synchronise peers to provide them with a shared, independent clock so that they utilize timestamps. To show that a peer’s knowledge about a time-critical application affects the performance of other peers, we carried out experiments to show information propagation over a P2P network and use various metrics to evaluate our approach.
Original languageEnglish
Title of host publicationProceedings of the 5th International Conference on Agents and Artificial Intelligence
Number of pages6
Publication statusPublished - 2013


  • agents
  • peer-to-peer
  • information propagation
  • Real-time PCR


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