The effectiveness of the Business Intelligence(BI)system mainly depends on the quality of knowledge it produces.The decision-making process is hindered,and the user’s trust is lost,if the knowledge offered is undesir...The effectiveness of the Business Intelligence(BI)system mainly depends on the quality of knowledge it produces.The decision-making process is hindered,and the user’s trust is lost,if the knowledge offered is undesired or of poor quality.A Data Warehouse(DW)is a huge collection of data gathered from many sources and an important part of any BI solution to assist management in making better decisions.The Extract,Transform,and Load(ETL)process is the backbone of a DW system,and it is responsible for moving data from source systems into the DW system.The more mature the ETL process the more reliable the DW system.In this paper,we propose the ETL Maturity Model(EMM)that assists organizations in achieving a high-quality ETL system and thereby enhancing the quality of knowledge produced.The EMM is made up of five levels of maturity i.e.,Chaotic,Acceptable,Stable,Efficient and Reliable.Each level of maturity contains Key Process Areas(KPAs)that have been endorsed by industry experts and include all critical features of a good ETL system.Quality Objectives(QOs)are defined procedures that,when implemented,resulted in a high-quality ETL process.Each KPA has its own set of QOs,the execution of which meets the requirements of that KPA.Multiple brainstorming sessions with relevant industry experts helped to enhance the model.EMMwas deployed in two key projects utilizing multiple case studies to supplement the validation process and support our claim.This model can assist organizations in improving their current ETL process and transforming it into a more mature ETL system.This model can also provide high-quality information to assist users inmaking better decisions and gaining their trust.展开更多
The paper researched and analyzed the characteristics, deficiencies and reasons of a management system of a software enterprise project to design a software project management system based on CMMI 1.2, thus helping th...The paper researched and analyzed the characteristics, deficiencies and reasons of a management system of a software enterprise project to design a software project management system based on CMMI 1.2, thus helping the enterprise to improve development and management efficiency of software project and reduce the risks and costs on project devel- opment. It studied CMMI model version 1.3 which is recently released by SEI, analyzed its characteristics and told the difference between version 1.2 and version 1.3. In addition, an improvement proposal and a solution of the software project management system were given from multiple perspectives.展开更多
2025年11月,长江科学院(简称长科院)通过全球软件领域最高标准之一的CMMI(Capability Maturity Model Integration,能力成熟度模型集成)3级认证,标志着长科院在软件研发过程管理、质量保障体系建设、项目交付能力等方面均达到行业先进...2025年11月,长江科学院(简称长科院)通过全球软件领域最高标准之一的CMMI(Capability Maturity Model Integration,能力成熟度模型集成)3级认证,标志着长科院在软件研发过程管理、质量保障体系建设、项目交付能力等方面均达到行业先进水平。这是长科院长期以来重视技术创新和质量管理的集中体现,也是长科院在资质体系建设方面的一次提升。展开更多
为了充分阐述软件质量保证员在能力成熟度模型集成(Capability Maturity Model Integration, CMMI)体系推进中的关键作用,通过对软件质量保证员在CMMI体系前、中、后期中参与的标准解读培训、质量保证体系框架建立、质量监督与控制、沟...为了充分阐述软件质量保证员在能力成熟度模型集成(Capability Maturity Model Integration, CMMI)体系推进中的关键作用,通过对软件质量保证员在CMMI体系前、中、后期中参与的标准解读培训、质量保证体系框架建立、质量监督与控制、沟通协调、标准实施效果评估、经验总结等工作的分析,充分挖掘软件质量保证员在软件质量体系建设方面和软件质量控制方面的重要作用。经分析,软件质量保证员在CMMI体系建设中可协助建立体系、监督软件研发过程、控制软件质量,对信息系统建设具有重要意义。展开更多
基金King Saud University for funding this work through Researchers Supporting Project Number(RSP-2021/387),King Saud University,Riyadh,Saudi Arabia.
文摘The effectiveness of the Business Intelligence(BI)system mainly depends on the quality of knowledge it produces.The decision-making process is hindered,and the user’s trust is lost,if the knowledge offered is undesired or of poor quality.A Data Warehouse(DW)is a huge collection of data gathered from many sources and an important part of any BI solution to assist management in making better decisions.The Extract,Transform,and Load(ETL)process is the backbone of a DW system,and it is responsible for moving data from source systems into the DW system.The more mature the ETL process the more reliable the DW system.In this paper,we propose the ETL Maturity Model(EMM)that assists organizations in achieving a high-quality ETL system and thereby enhancing the quality of knowledge produced.The EMM is made up of five levels of maturity i.e.,Chaotic,Acceptable,Stable,Efficient and Reliable.Each level of maturity contains Key Process Areas(KPAs)that have been endorsed by industry experts and include all critical features of a good ETL system.Quality Objectives(QOs)are defined procedures that,when implemented,resulted in a high-quality ETL process.Each KPA has its own set of QOs,the execution of which meets the requirements of that KPA.Multiple brainstorming sessions with relevant industry experts helped to enhance the model.EMMwas deployed in two key projects utilizing multiple case studies to supplement the validation process and support our claim.This model can assist organizations in improving their current ETL process and transforming it into a more mature ETL system.This model can also provide high-quality information to assist users inmaking better decisions and gaining their trust.
文摘The paper researched and analyzed the characteristics, deficiencies and reasons of a management system of a software enterprise project to design a software project management system based on CMMI 1.2, thus helping the enterprise to improve development and management efficiency of software project and reduce the risks and costs on project devel- opment. It studied CMMI model version 1.3 which is recently released by SEI, analyzed its characteristics and told the difference between version 1.2 and version 1.3. In addition, an improvement proposal and a solution of the software project management system were given from multiple perspectives.
文摘2025年11月,长江科学院(简称长科院)通过全球软件领域最高标准之一的CMMI(Capability Maturity Model Integration,能力成熟度模型集成)3级认证,标志着长科院在软件研发过程管理、质量保障体系建设、项目交付能力等方面均达到行业先进水平。这是长科院长期以来重视技术创新和质量管理的集中体现,也是长科院在资质体系建设方面的一次提升。
文摘为了充分阐述软件质量保证员在能力成熟度模型集成(Capability Maturity Model Integration, CMMI)体系推进中的关键作用,通过对软件质量保证员在CMMI体系前、中、后期中参与的标准解读培训、质量保证体系框架建立、质量监督与控制、沟通协调、标准实施效果评估、经验总结等工作的分析,充分挖掘软件质量保证员在软件质量体系建设方面和软件质量控制方面的重要作用。经分析,软件质量保证员在CMMI体系建设中可协助建立体系、监督软件研发过程、控制软件质量,对信息系统建设具有重要意义。
