On the basis of analysis of the structure aud loading characteristic of downward drift with high-water solidifying backfill, the fracture characteristics of the artiricial roof of "hard-support weak-plate" d...On the basis of analysis of the structure aud loading characteristic of downward drift with high-water solidifying backfill, the fracture characteristics of the artiricial roof of "hard-support weak-plate" drift and "soft-support weak-plate" drift are demonstrated rrom theory. The location and the maximum tensile stress of destruction point are given.This paper aims at providing some theoretical basis and practical reference for designing the artificlal roof structure parameter in downward drirt backfill mining.展开更多
提出类别属性数据流数据离群度量——加权频繁模式离群因子(weighted frequent pattern outlier factor,简称WFPOF),并在此基础上给出一种快速数据流离群点检测算法FODFP-Stream(fast outlier detection for high dimensional categoric...提出类别属性数据流数据离群度量——加权频繁模式离群因子(weighted frequent pattern outlier factor,简称WFPOF),并在此基础上给出一种快速数据流离群点检测算法FODFP-Stream(fast outlier detection for high dimensional categorical data streams based on frequent pattern).该算法通过动态发现和维护频繁模式来计算离群度,能够有效地处理高维类别属性数据流,并可进一步扩展到数值属性和混合属性数据流.对仿真数据集和真实数据集的实验检测均验证该算法具有良好的适用性和有效性.展开更多
文摘On the basis of analysis of the structure aud loading characteristic of downward drift with high-water solidifying backfill, the fracture characteristics of the artiricial roof of "hard-support weak-plate" drift and "soft-support weak-plate" drift are demonstrated rrom theory. The location and the maximum tensile stress of destruction point are given.This paper aims at providing some theoretical basis and practical reference for designing the artificlal roof structure parameter in downward drirt backfill mining.
文摘提出类别属性数据流数据离群度量——加权频繁模式离群因子(weighted frequent pattern outlier factor,简称WFPOF),并在此基础上给出一种快速数据流离群点检测算法FODFP-Stream(fast outlier detection for high dimensional categorical data streams based on frequent pattern).该算法通过动态发现和维护频繁模式来计算离群度,能够有效地处理高维类别属性数据流,并可进一步扩展到数值属性和混合属性数据流.对仿真数据集和真实数据集的实验检测均验证该算法具有良好的适用性和有效性.
