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MOPP-Miner: Structure-constrained discovery of multivariate order-preserving offset patterns
School of Information and Control Engineering, Qingdao University of Technology, Qingdao, 266520, Shandong, China.ORCID iD: 0009-0003-5265-4778
Desay SV Automotive Co., Ltd., Huizhou, 516006, Guangdong, China; College of Automotive Engineering, Jilin University, Changchun, 130012, Jilin, China.ORCID iD: 0000-0001-5534-2305
Desay SV Automotive Co., Ltd., Huizhou, 516006, Guangdong, China; School of Information and Control Engineering, Qingdao University of Technology, Qingdao, 266520, Shandong, China.ORCID iD: 0009-0006-9602-995X
School of Information and Control Engineering, Qingdao University of Technology, Qingdao, 266520, Shandong, China.ORCID iD: 0009-0004-7089-7754
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2027 (English)In: Expert systems with applications, ISSN 0957-4174, E-ISSN 1873-6793, Vol. 334, article id 134352Article in journal (Refereed) Published
Abstract [en]

Knowledge-driven decision support in complex temporal systems requires recurrent structures that are both interpretable and computationally tractable, including ordinal dynamics, cross-variable dependence, and lead–lag organization. We propose MOPP-Miner, a structure-constrained framework for sampled high-coverage discovery of lag-labeled multivariate order-preserving offset patterns. MOPP-Miner encodes each sampled window as an ordinal-correlation-lag triplet and processes it through Stage-1 lag-bounded construction with synchrony gating, Stage-2 key-local consolidation, and Stage-3 support-aware validation. Across target-aligned synthetic, archive, financial, and preregistered topology benchmarks, the reported evidence supports validated multivariate recovery, directed-structure reconstruction, calibrated tractability, operating-boundary robustness, and financial interpretability, with downstream utility treated as secondary supporting evidence. All claims are scoped to sampled high-coverage discovery under the paper’s benchmark object and mapping protocol rather than to exhaustive full-space recovery or universal ranking across heterogeneous temporal-discovery objectives.

Place, publisher, year, edition, pages
Elsevier BV , 2027. Vol. 334, article id 134352
Keywords [en]
Directed dependency inference, Interpretable temporal dependency analysis, Multivariate time series mining, Offset periodic pattern mining, Order-preserving pattern discovery, Structure-constrained pattern mining
National Category
Computer Sciences
Identifiers
URN: urn:nbn:se:kth:diva-389921DOI: 10.1016/j.eswa.2026.134352Scopus ID: 2-s2.0-105051279553OAI: oai:DiVA.org:kth-389921DiVA, id: diva2:2107171
Note

QC 20261002

Available from: 2026-10-02 Created: 2026-10-02 Last updated: 2026-10-02Bibliographically approved

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Zhang, Wei

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Tang, ShuleiYang, BinWang, XingyuShen, YihengYu, GengZhang, Wei
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School of Engineering Sciences in Chemistry, Biotechnology and Health (CBH)
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