基于元组存在性的概率数据模型研究 |
| |
引用本文: | 陈鹏. 基于元组存在性的概率数据模型研究[J]. 计算机科学, 2012, 39(105): 265-270 |
| |
作者姓名: | 陈鹏 |
| |
作者单位: | (北京语言大学 北京 100083) |
| |
摘 要: | 随着信息与通讯技术的快速发展,数据管理正面临着越来越多的挑战,其中之一就是数据的不确定性。提出一种基于元组存在性的概率数据模型
|
关 键 词: | 数据不确定,概率数据库,概率数据模型,概率关系代数 |
Probabilistic Data Model Based on Existence of Tuple |
| |
Abstract: | With the development of ICT, data management has meet more and more challenge, one of challenge is uncer tainty of data. This paper proposed a probabilistic data model based on existence of tuple, compared with other models,this model was proved to be complete, and we proposed corresponding probabilistic relational algebra and query algorithm. |
| |
Keywords: | Uncertain data Probabilistic database Probabilistic data model Probabilistic relational algebra |
|
| 点击此处可从《计算机科学》浏览原始摘要信息 |
|
点击此处可从《计算机科学》下载全文 |