This paper is an experimental study on the performance of the two major methods for macro-level similarity measurement: linear weighted merging and logical retrieval. Performance is measured as the average query execution time for a significant number of tests. The two models were implemented in the standard version (as they are applied in a number of prototypes) and in an optimized version. The results show, that optimized logical retrieval clearly outperforms optimized linear weighted merging.
H. Eidenberger, C. Breiteneder: "An Experimental Study on the Performance of Visual Information Retrieval Similarity Models"; in: "Proceedings of the IEEE Workshop on Multimedia Signal Processing", IEEE Computer Society Press, St. Thomas, 2002, (published on CD).
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