human: Given a node-centered hypergraph: <hypergraph>, where nodes represent papers and hyperedges represent groups of papers sharing a common citing paper.

Details of the hypergraph:
Center node: "What should be minimized in a decision tree: A re-examination"
  Abstract: Computer Science Department University of Massachusetts at Amherst CMPSCI Technical Report 95-20 September 6, 1995

Connected through hyperedge HE-1 (induced by source paper "Exploring the Decision Forest: An Empirical Investigation of Occam's Razor in Decision Tree Induction"):
  with members:
    - "Learning Decision Lists Using Homogeneous Rules"
    - "Lookahead and Pathology in Decision Tree Induction"
    - "In Defense of C4.5: Notes on Learning One-Level Decision Trees"
    - "Bias and the Quantification of Stability Bias and the Quantification of Stability Bias and the"

Question: Please tell me which class the center node belongs to. The 7 classes are: Neural_Networks, Reinforcement_Learning, Probabilistic_Methods, Theory, Genetic_Algorithms, Case_Based, Rule_Learning. Directly output the class name.

gpt: Theory