LBMH-miner: Mining length-constrained multi-level high-utility itemsets from hierarchical databases. - Trinh D. D. Nguyen; N. T. Tung; Thanh-Sang T. Nguyen; Giang H. Nguyen; Vinh V. Vu; Loan T. T. Nguyen (Expert Syst. Appl., 2026)