Similarity
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Similarity is some degree of symmetry in either analogy and resemblance between two or more concepts or objects. The notion of similarity rests either on exact or approximate repetitions of patterns in the compared items. In the case of approximate repetitions we talk about statistical similarity as found in a fractal and its parts. Finding similarities or distinguishing between dissimilarities depends on the faculties of pattern recognition and disambiguation, respectively.
Different fields provide differing definitions of similarity:
- Similarity (mathematics)
- Similarity (psychology)
- Musical similarity
- Semantic similarity
- Natural similarity
- In bioinformatics, similarity matrixes are used for sequence alignment.
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