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A distributed content-based search engine based on mobile code

: Roth, V.; Pinsdorf, U.; Peters, J.


Haddad, H.; Leibrock, L.M. ; Association for Computing Machinery -ACM-, Special Interest Group on Applied Computing -SIGAPP-:
SAC 2005, 20th Annual ACM Symposium on Applied Computing. Proceedings
New York: ACM Press, 2005
ISBN: 1-58113-964-0
Symposium on Applied Computing (SAC) <20, 2005, Santa Fé/New Mexico>
Fraunhofer IGD ()
search process; distributed system; content based retrieval; mobile agent; content protection

Current search engines crawl the Web, download content, and digest this content locally. For multimedia content, this involves considerable volumes of data. Furthermore, this process covers only publicly available content because content providers are concerned that they otherwise loose control over the distribution of their intellectual property. We present the prototype of our secure and distributed search engine, which dynamically pushes content based feature extraction to image providers. Thereby, the volume of data that is transported over the network is significantly reduced, and the concerns mentioned above are alleviated. The distribution of feature extraction and matching algorithms is done by mobile software agents. We give a description of the search engine's architecture and implementation, quantitative evaluation results, and a discussion of related security mechanism for content protection and server security.