Intrinsic complexity is used to measure complexity of learning areas limited by broken-straight lines (called open semi-hulls)1 and intersections of such areas. Any strategy learning such geometrical concept can be viewed as a sequence of primitive basic strategies. Thus, the length of such a sequence together with complexities of primitive strategies used can be regarded as complexity of learning the concept in question. We obtained best possible lower and upper bounds on learning open semi-hulls, as well as matching upper and lower bounds on complexity of learning intersections of such areas. Surprisingly, upper bounds in both cases turn out to be much lower than those provided by natural learning strategies. Another surprising result is that learning intersections of open semi-hulls (and their complements) turns out to be easier than learning open semi-hulls themselves.
CITATION STYLE
Jain, S., & Kinber, E. (2001). Intrinsic complexity of learning geometrical concepts from positive data. In Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) (Vol. 2111, pp. 177–193). Springer Verlag. https://doi.org/10.1007/3-540-44581-1_12
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