Ottaviani, J.S. "The fractal nature of relevance: a hypothesis". Journal of the American Society for Information Science 45, 4 (1994), 263-272.  Home/Search   Document Not in Database   Summary   Related Articles

.... 1992 paper, Ottaviani writes that the hierarchical clustering methods (Chapter IV) often employed in IR fail to capture important relevance relationships among documents, but that the evolution of users interests during iterative searches requires a fractal model of relevance and cluster shapes [53]. Details of specific clustering methods and their application in IR have been summarized in standard IR texts [56, 60] 3. Criticisms of the Vector Model The vector model has been criticized for the tacit assumption that vectors representing index terms are pairwise orthogonal. In a series of ....

Ottaviani, J.S. "The fractal nature of relevance: a hypothesis". Journal of the American Society for Information Science 45, 4 (1994), 263-272.

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