本文選題：數(shù)據(jù)中心 + 元數(shù)據(jù)��； 參考：《復(fù)旦大學(xué)》2012年碩士論文

【摘要】：目前,在數(shù)據(jù)中心建設(shè)中,來自各業(yè)務(wù)系統(tǒng)的海量數(shù)據(jù)沒有一致和統(tǒng)一的數(shù)據(jù)定義,需要元數(shù)據(jù)管理工具提供元數(shù)據(jù)的統(tǒng)一視圖,對(duì)這些數(shù)據(jù)來源、運(yùn)作和變遷等情況進(jìn)行跟蹤分析。傳統(tǒng)的元數(shù)據(jù)管理工具缺乏通用性和規(guī)范性,并且在語義分析方面也有先天的缺陷,因而研究基于語義分析的通用、規(guī)范,元數(shù)據(jù)管理工具具有重要意義。 分析和設(shè)計(jì)了基于公共倉庫元模型(Common Warehouse Metamodel,CWM)的元數(shù)據(jù)管理工具的元數(shù)據(jù)管理流程；在對(duì)工具的元模型管理、元數(shù)據(jù)管理和語義分析三方面進(jìn)行分析的基礎(chǔ)上,設(shè)計(jì)了工具的體系結(jié)構(gòu)。所設(shè)計(jì)的工具主要包含四個(gè)部分：元模型管理模塊、元數(shù)據(jù)管理模塊、語義分析模塊和元數(shù)據(jù)存儲(chǔ)模塊。借鑒Web本體語言(Web Ontology Language,OWL)語義表達(dá)和推理領(lǐng)域的成果,設(shè)計(jì)元數(shù)據(jù)信息向OWL的轉(zhuǎn)化規(guī)則并證明了其正確性,制定了語義推理規(guī)則格式和設(shè)計(jì)語義推理引擎。在實(shí)現(xiàn)技術(shù)方面,元模型管理模塊支持圖形界面建模、模型批量導(dǎo)入導(dǎo)出和增量更新等功能；對(duì)于元數(shù)據(jù)管理模塊,給出元數(shù)據(jù)建立和關(guān)系維護(hù)算法；對(duì)于語義分析模塊,在Jena基礎(chǔ)上實(shí)現(xiàn)的語義推理引擎,支持自定義語義推理規(guī)則,并利用其對(duì)元模型進(jìn)行語義一致性檢查等功能,給出元數(shù)據(jù)的血統(tǒng)分析算法、影響分析算法和差異分析算法。
[Abstract]:At present, in the construction of the data center, there is no consistent and uniform data definition for the massive data from various business systems, and metadata management tools are required to provide a unified view of the metadata. Follow up and analyze the operation and changes. The traditional metadata management tools are lack of generality and standardization, and also have inherent defects in semantic analysis. Therefore, it is of great significance to study the general, standardized and metadata management tools based on semantic analysis. The metadata management process of metadata management tools based on Common Warehouse MetamodelCWM (Common Warehouse Metamodel CWM) is analyzed and designed, and the metadata management, metadata management and semantic analysis are analyzed. The architecture of the tool is designed. The tool includes four parts: metamodel management module, metadata management module, semantic analysis module and metadata storage module. Based on the results of semantic representation and reasoning in Web Ontology language (owl), the transformation rules from metadata to owl are designed and proved to be correct. The format of semantic reasoning rules and the design semantic reasoning engine are developed. In terms of the implementation technology, the meta-model management module supports the functions of graphical interface modeling, model batch import and export and incremental update; for metadata management module, metadata establishment and relational maintenance algorithm; for semantic analysis module, The semantic reasoning engine based on Jena supports self-defined semantic reasoning rules, and uses the functions of semantic consistency checking of metamodel to give the algorithms of metadata lineage analysis, influence analysis and difference analysis.
【學(xué)位授予單位】：復(fù)旦大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2012
【分類號(hào)】：TP308;TP391.1

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