A new research paper explores the complexities of PAC learning when each data point can have multiple correct labels, up to a maximum of \ell. The study finds that learning from demonstrations, where only one correct label is revealed, can be significantly more challenging than learning from full sets or even bandit feedback. For finite label spaces, a generalized Natarajan dimension characterizes learnability from full sets and bandit feedback, but demonstrations introduce a new condition related to the intersection of hypotheses. AI
IMPACT This research could lead to more robust and efficient machine learning algorithms capable of handling complex, multi-label data.
RANK_REASON The cluster contains a single academic paper published on arXiv. [lever_c_demoted from research: ic=1 ai=1.0]
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