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250.537  Articles
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The present–day health data ecosystem comprises a wide array of complex heterogeneous data sources. A wide range of clinical, health care, social and other clinically relevant information are stored in these data sources. These data exist either as struct... see more

The present–day health data ecosystem comprises a wide array of complex heterogeneous data sources. A wide range of clinical, health care, social and other clinically relevant information are stored in these data sources. These data exist either as struct... see more

The present–day health data ecosystem comprises a wide array of complex heterogeneous data sources. A wide range of clinical, health care, social and other clinically relevant information are stored in these data sources. These data exist either as struct... see more

The availability of the various forms of open data today offers great opportunity for meta level research that draws on combinations of data previously considered only in isolation. There are also great challenges to be overcome; datasets may have differe... see more

The application schema layer of a Database Management System (DBMS) can be modified to deliver results that may warrant a forensic investigation. Table structures can be corrupted by changing the metadata of a database or operators of the database can be ... see more

Schema management is a basic problem in many database application domains such as data integration systems. Users need to access and manipulate data from several databases. In this context, in order to integrate data from distributed heterogeneous databas... see more

Abstract The rapid development of technology is increasingly affects and facilitates human work. Each year, new technologies emerge by offering the more advanced complex and effective features than similar previous technologies which already exist. A... see more

Nowadays, research data repositories (RDR) have become progressively widespread all over the world. To expand repository services and build up inbound linking strategy, organizations list their repositories with so called Global Registries. Accordingly, s... see more

In this paper we study the problem of schema design and normalization in XML databases model. We show that, like relational databases, XML documents may contain redundant information, and this redundancy may cause update anomalies. Furthermore, such probl... see more

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