Encyclopedia of Database Systems

2018 Edition
| Editors: Ling Liu, M. Tamer Özsu

Semantic Overlay Networks

  • George Anadiotis
  • Spyros Kotoulas
  • Ronny Siebes
Reference work entry
DOI: https://doi.org/10.1007/978-1-4614-8265-9_1224

Synonyms

Semantic overlays; SONs

Definition

Semantic Overlay Networks are types of Overlay Networks where the topology is formed according to the resources (i.e., services or data provided) of the participants. This is done on the basis of similarity between participants, which is calculated by means of resource metadata exchange (e.g. keywords, term vectors, concepts from ontologies, histograms).

Historical Background

Semantic Overlay Networks were introduced in 2002, by H. Garcia-Molina and A. Crespo [3]. The motivation was to give an alternative to inefficient search methods for overlay networks, one that would provide more relevant results in less time and using less resources (mainly bandwidth).

Foundations

The original idea of Semantic Overlay Networks [3] was to organize the nodes that participate in a network into many different overlays, based on the content that the nodes are contributing and some classification scheme for this content. As one overlay is created for each...

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Recommended Reading

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Copyright information

© Springer Science+Business Media, LLC, part of Springer Nature 2018

Authors and Affiliations

  • George Anadiotis
    • 1
  • Spyros Kotoulas
    • 1
  • Ronny Siebes
    • 1
  1. 1.VU University AmsterdamAmsterdamThe Netherlands

Section editors and affiliations

  • Karl Aberer
    • 1
  1. 1.Distributed Inf. Sys Lab.Inst. for Core Computing Science (IIF), EPFL-IC-IIF-LSIRLausanneSwitzerland