Using spatial data integration and database technology,analyzing and integrating the assessment results in all the development zones at different time in Hunan Province,the paper is intended to construct the database ...Using spatial data integration and database technology,analyzing and integrating the assessment results in all the development zones at different time in Hunan Province,the paper is intended to construct the database and managerial system for the assessment results of land use intensity in development zones,thus formulating"one map"of Hunan Development zones and realizing the integrated management and application of the assessment results in all the development zones at any time of Hunan above the provincial level.It has been proved that the system has good application effect and promising development in land management for land management departments and development zones.展开更多
Schema incompatibility is a major challenge to a federated database systemfor data sharing among heterogeneous,multiple and autonomous databases.This paperpresents a mapping approach based on import schema,export sche...Schema incompatibility is a major challenge to a federated database systemfor data sharing among heterogeneous,multiple and autonomous databases.This paperpresents a mapping approach based on import schema,export schema and domain conver-sion function,through which schema incompatibility problems such as naming conflict,domain incompatibility and entity definition incompatibility can be resolved effectively.The implementation techniques are also discussed.展开更多
快速高效采集、计算、分析、管理数据并准确提供煤质趋势分析的大数据技术,其在煤炭质量管理中的应用可提高生产效能及施行精益化管理。西铭矿选煤厂自主开发基于VBA Visual Basic for Applications的煤炭质量数据研究分析报告综合管理...快速高效采集、计算、分析、管理数据并准确提供煤质趋势分析的大数据技术,其在煤炭质量管理中的应用可提高生产效能及施行精益化管理。西铭矿选煤厂自主开发基于VBA Visual Basic for Applications的煤炭质量数据研究分析报告综合管理系统,系统运用大数据技术,将大量煤炭质量数据纳入数据库管理,以期为矿井和选煤厂指导煤炭生产提供数据支撑。简介煤炭质量数据研究分析报告综合管理系统的主要功能特点及系统内主要功能的实现,阐述大数据技术在数据采集、预处理、存储等方面的实现与应用,并结合大数据挖掘与数据分析对系统数据库的稳定性与安全性、系统的延伸性和扩展性进行剖析。企业在保证煤炭产品质量的前提下应兼顾生产最优,力争从煤炭的开采、洗选、储运、销售等方面给各级管理者提供高质量数据;调度指挥系统根据数据结果及时调整煤炭配采、运输储存、洗选配装工艺,提高精煤产品的质量稳定性和合格率并正确指导一线生产,从而使煤质管理从传统模式向现代化管理方式发展且开创基层煤质管理工作的新局面。展开更多
空间数据库引擎(SDE,Spatial Data Engine)作为中间件能较好地解决地理信息系统(GIS,Geographical Information System)中空间数据和属性数据统一存储和管理的问题。论文首先探讨了管线数据库的常用解决方案,再重点阐述了ArcSDE的数据...空间数据库引擎(SDE,Spatial Data Engine)作为中间件能较好地解决地理信息系统(GIS,Geographical Information System)中空间数据和属性数据统一存储和管理的问题。论文首先探讨了管线数据库的常用解决方案,再重点阐述了ArcSDE的数据库存储方法,最后通过实例详细论述了ArcSDE对管网空间及属性数据的一体化管理方法,对其他城市管网系统的建库工作提供了一定的参考价值。展开更多
文摘Using spatial data integration and database technology,analyzing and integrating the assessment results in all the development zones at different time in Hunan Province,the paper is intended to construct the database and managerial system for the assessment results of land use intensity in development zones,thus formulating"one map"of Hunan Development zones and realizing the integrated management and application of the assessment results in all the development zones at any time of Hunan above the provincial level.It has been proved that the system has good application effect and promising development in land management for land management departments and development zones.
文摘Schema incompatibility is a major challenge to a federated database systemfor data sharing among heterogeneous,multiple and autonomous databases.This paperpresents a mapping approach based on import schema,export schema and domain conver-sion function,through which schema incompatibility problems such as naming conflict,domain incompatibility and entity definition incompatibility can be resolved effectively.The implementation techniques are also discussed.
文摘快速高效采集、计算、分析、管理数据并准确提供煤质趋势分析的大数据技术,其在煤炭质量管理中的应用可提高生产效能及施行精益化管理。西铭矿选煤厂自主开发基于VBA Visual Basic for Applications的煤炭质量数据研究分析报告综合管理系统,系统运用大数据技术,将大量煤炭质量数据纳入数据库管理,以期为矿井和选煤厂指导煤炭生产提供数据支撑。简介煤炭质量数据研究分析报告综合管理系统的主要功能特点及系统内主要功能的实现,阐述大数据技术在数据采集、预处理、存储等方面的实现与应用,并结合大数据挖掘与数据分析对系统数据库的稳定性与安全性、系统的延伸性和扩展性进行剖析。企业在保证煤炭产品质量的前提下应兼顾生产最优,力争从煤炭的开采、洗选、储运、销售等方面给各级管理者提供高质量数据;调度指挥系统根据数据结果及时调整煤炭配采、运输储存、洗选配装工艺,提高精煤产品的质量稳定性和合格率并正确指导一线生产,从而使煤质管理从传统模式向现代化管理方式发展且开创基层煤质管理工作的新局面。
文摘空间数据库引擎(SDE,Spatial Data Engine)作为中间件能较好地解决地理信息系统(GIS,Geographical Information System)中空间数据和属性数据统一存储和管理的问题。论文首先探讨了管线数据库的常用解决方案,再重点阐述了ArcSDE的数据库存储方法,最后通过实例详细论述了ArcSDE对管网空间及属性数据的一体化管理方法,对其他城市管网系统的建库工作提供了一定的参考价值。
