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Research addressing learning of individual database topics is much more common than research that attempts to address broader issues in learning of database. This paper proposes a lesson planning approach for an introductory database course based on selected principles of the minimalist instructional design and the ARCS model of motivational design. The basic idea is to design action oriented lessons...
Entity Data Model (EDM) is a new conceptual model developed by Microsoft; it is a Platform-Independent and executable conceptual model. At present, EDM is mainly used for information integration, so Microsoft has developed the tools for transforming Platform Specific Models, such as Relational Data Model (RDM), to EDM. On other hand, EDM as a conceptual model can also be used for designing database,...
It originated in the use of ROSE tools, based on MDA development system method, when the model conversion was found that the model can not be automatically converted, for example, the length of type need be completed manually in the Relational Database. The paper advanced through XMI standard, XML had self-descriptive and platform-independent, in the XMI/XML platform technology support, platform independent...
By using UML (Unified Modeling Language) and ER (Entity Relationship) notations to describe a system, the specification of persistent and transient details became separated. UML and ER models use distinct notations, that cannot be checked for consistence, and therefore are not suitable to be used in a model driven development approach. This paper proposes a synergistic approach to persistence modeling...
We describe an extensible framework for translating data models into ontology models. Initially, the framework addresses two types of source data models: the relational database (RDB) and object-relational database (ORDB) models. The derived ontology model is based on OWL. The framework extracts information about the source data models from the metadata maintained by the DBMS. The extracted metadata...
Flight simulator is among the most sophisticated semi-physical simulation systems in existence. It contains hundreds of avionics with thousands of input/output interface points, which must be amenable to frequent updates to maintain high fidelity with the ever-changing vehicle it is simulating. We proposed an optimized avionics interface system to facilitate the high fidelity flight simulator research...
Data provenance is information that describes how a given data item was produced. The provenance includes source and intermediate data as well as the transformations involved in producing the concrete data item. In the context of a relational databases, the source and intermediate data items are relations, tuples and attribute values. The transformations are SQL queries and/or functions on the relational...
The problem of extracting consistent query answers from an inconsistent database has been mainly approached from two directions: ldquorepairingrdquo the database or rewriting queries so that only consistent answers are returned. Logic programming with explicit negation has been widely used in order to specify repairs such that each answer set of the repair program corresponds to a repair. In this...
Resource space model (RSM) is a semantic data model based on resource classification according to human thinking. It can be more effectively and efficiently locating resources than the classical relational data model. At present, RSM mainly rests on the theoretical analysis. The paper describes the design process of the resource space model for students?? achievement management. And it also analyses...
In order to realization electronic parts product appearance quality detection control, one kind of processor based on the intelligent knowledge automatic extraction and system intelligence modeling was presented. In the processor, wavelet-fuzzy technique and neural network technique are combined. Uses the fuzzy wavelet extraction image feature, and wavelet function is used as fuzzy membership function...
We study the problem of computing query results with confidence values in ULDBs: relational databases with uncertainty and lineage. ULDBs, which subsume probabilistic databases, offer an alternative decoupled method of computing confidence values: Instead of computing confidences during query processing, compute them afterwards based on lineage. This approach enables a wider space of query plans,...
We developed a quality of service (QoS) management system to support service level management (SLM) for global enterprise services. The QoS management system is integrated with one of our enterprise services in a preproduction system, an identical system as the production system but in a test environment. Lab experiments showed that our integrated solution helps global enterprise services to better...
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