东北大学学报(自然科学版) ›› 2023, Vol. 44 ›› Issue (12): 1696-1704.DOI: 10.12068/j.issn.1005-3026.2023.12.004
姜吉宁1, 信俊昌1,2, 郝琨3,4, 黄敏5
发布日期:
2024-01-30
通讯作者:
姜吉宁
作者简介:
姜吉宁(1998-),女,辽宁鞍山人,东北大学硕士研究生; 信俊昌(1977-),男,辽宁辽阳人,东北大学教授.
基金资助:
JIANG Ji-ning1, XIN Jun-chang1,2, HAO Kun3,4, HUANG Min5
Published:
2024-01-30
Contact:
XIN Jun-chang
About author:
-
Supported by:
摘要: 混合区块链通过链上-链下的存储模式来支持供应链中多方协同的数据可信共享.针对现有时空关键字查询方法预先读取全部链下数据并采用B+树作为索引所导致的效率低下问题,提出一种混合存储区块链中的时空关键字查询方法. 首先,设计按属性划分的区块链存储模型,并在区块内和区块间设计B2M-BKM 两级索引结构,支持关系型查询的同时高效检索区块数据;其次,设计链上 - 链下时空关键字查询方法,提升查询效率. 最后,在公开数据集上进行实验,验证所提出方法的有效性.
中图分类号:
姜吉宁, 信俊昌, 郝琨, 黄敏5. 混合存储区块链中的时空关键字查询[J]. 东北大学学报(自然科学版), 2023, 44(12): 1696-1704.
JIANG Ji-ning, XIN Jun-chang, HAO Kun, HUANG Min5. Spatio-Temporal Keyword Query in Hybrid-Storage Blockchain[J]. Journal of Northeastern University(Natural Science), 2023, 44(12): 1696-1704.
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