Words, antibodies and their interactions

Nanas, Nikolaos; Vavalis, Manolis and De Roeck, Anne (2010). Words, antibodies and their interactions. Swarm Intelligence, 4(4) pp. 275–300.

DOI: https://doi.org/10.1007/s11721-010-0044-6

Abstract

Jerne’s idiotypic network theory stresses the importance of antibody-to-antibody interactions and provides possible explanations for self-tolerance and increased diversity in the immune repertoire. In this paper, we use an immune network model to build a user profile for adaptive information filtering. Antibody-to-antibody interactions in the profile’s network model correlations between words in text. The user profile has to be able to represent a user’s multiple interests and adapt to changes in them over time. This is a complex and dynamic engineering problem with clear analogies to the immune process of self-assertion. We present a series of experiments investigating the effect of term correlations on the user’s profile performance. The results show that term correlations can encode additional information, which has a positive effect on the profile’s ability to assess the relevance of documents to the user’s interests and to adapt to changes in them.

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