基于数据全生命周期的数据资产价值评估方法及应用

doi:10.11959/j.issn.2096-0271.2023044

Abstract

Abstract:

Data asset valuation is the foundation of modern data asset management, operation, and data circulation.Based on the theory of the data full lifecycle, starting from first principles, single data asset table was evaluated by assessing their cost, data management, and data application value.Using technologies such as data warehousing and graph algorithms, the cost value of a single data asset table was accurately calculated by using a layer-by-layer allocation method and inheriting the lineage path.Then, the non-economic factor weight of data asset was obtained by using the analytic hierarchy process, and the value of data asset was obtained through a ladder evaluation.Finally, verifies the rationality and feasibility of the new method was verified through an example.

Key words: data asset, data asset valuation, data warehouse, data lineage

CLC Number:

Dongqing LI, Yinxiao LIU, Lei DENG, Mingyang LI. Data valuation approach and application in view of data full lifecycle[J]. Big Data Research, 2023, 9(3): 39-55.

Figures/Tables 17

References 21

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原始继承价值	继承价值	继承价值说明
E表	E=A/5	只有一个以A为起点、E为终点的路径
F表	F=2A/5+1/2B	有一个以A为起点、F为终点的路径和有一个以B为起点、F为终点的路径
G表	G=2A/5+1/2B	有一个以A为起点、G为终点的路径和有一个以B为起点、G为终点的路径
CDM层的总价值	E+F+G=A+B	价值守恒和ODS层一样
H表	H=A+B	有3个以A为起点、H为终点的路径和有一个以B为起点、H为终点的路径

项	明细指标	明细指标定义
数据质量指标	数据质量规则触发率	取dataphin/dataworks的数据，近30天触发数据质量规则的比率，指标口径为触发规则数量/总规则数量
	元数据属性完整性	数据资产在基础属性、管理属性和业务属性上的信息完整率，指标口径为非空项数量/表中指标数量
	内部引用次数	最近30天资产通过各种方式在数据中台内被引用的次数总和，包含代码调度任务、即席查询、同步任务
数据应用价值	输出次数	最近30天资产通过各种方式输出的次数总和，如数据同步、接口调用
	输出系统数	最近30天资产通过各种方式输出的系统数之和
	输出部门数	资产通过各种方式输出的部门总数
	平台访问次数	最近30天用户在全域资产平台上对此资产的访问、收藏、分享的次数之和
	平台访问用户数	最近30天在全域资产平台上对该资产有收藏、访问、分享的用户数去重之和

n	1	2	3	4	5	6	7	8
RI	0	0	0.52	0.89	1.12	1.26	1.36	1.41

参数名称	参数简写	假设值
咨询	Consult	30 000元
设计	Design	20 000元
实施	Implement	20 000元
运维(当年)	Maintenance	40 000元
软件(一次性投入)	software	30 000元
预计调用次数	Callnumber	500次
预计最高收益率/次	High_income	80%
预计最低收益率/次	low_income	20%

项	Factor2	分值
数据质量规则触发率	元数据属性完整性	1.5
	血缘关系解析完整性	2
	输出次数	3
	输出系统数	2
	输出部门数	2
	平台访问次数	6
	平台访问用户数	6
元数据属性完整性	输出次数	4
…	…	…

Data valuation approach and application in view of data full lifecycle

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Figures/Tables 17

References 21

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选取元素	归一化分数	分解结果
数据质量规则触发率	80	25.51%
元数据属性完整性	100	15.22%
血缘关系解析完整性	30	18.66%
输出次数	60	7.89%
输出系统数	50	11.83%
输出部门数	30	13.23%
平台访问次数	90	3.94%
平台访问用户数	50	3.72%

项	基础价值	阶梯价值	最终价值
Count	2 460	2 460	2 460
mean	125.46	75.41	200.87
std	152.06	96.83	244.55
min	0	0	0
25%	42.16	21.07	71.82
50%	57.35	43.16	100.51
75%	126.48	95.19	221.67
max	1 933.72	1 306.78	3 043.20

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