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The Evolution of Data Models

Evolution of Data Models

Evolution of Data Models

... for data modeling. Peter Chen first introduced the ER data model in 1976 in his landmark paper “The Entity Relationship Model: Toward a Unified View of ...

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Data Driven Models for Language Evolution

Data Driven Models for Language Evolution

... 3.4. COGNATE IDENTIFICATION 3.4.3.1 PAM matrices The “Point Accepted Mutation” (PAM ) matrices [30, 31, 32] are a family of amino acid substitution matrices, developed by Margaret Dayhoff and co-workers, that encode and ...

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Evolution of biological interaction networks: from models to real data

Evolution of biological interaction networks: from models to real data

... evolutionary models is evaluated by their ability to recapitulate known topo logical network properties, thereby demonstrating that these models provide insight into the origins and putative mechanisms ...

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The Evolution of Data Management Job Models. in the Execution of Clinical Trials.

The Evolution of Data Management Job Models. in the Execution of Clinical Trials.

... Clinical Data Manager / Trial Analyst Over the last few years the industry has seen significant advances in software development, which opened doors to new ...ultimate Data Management ...

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Tracing conceptual models evolution in data warehouses by using the model driven architecture

Tracing conceptual models evolution in data warehouses by using the model driven architecture

... necessary data is available, which is not always the ...both data sources and user requirements [3], solving incompatibilities by accommodating both require- ments and data sources in a single ...

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Evolution styles: foundations and models for software architecture evolution

Evolution styles: foundations and models for software architecture evolution

... 2.1 Example To illustrate the concepts and benefits of our approach, con- sider the following fictitious, but representative, scenario: Company C runs an algorithmic-trading platform with an aging software architecture. ...

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Observational Models of Requirements Evolution

Observational Models of Requirements Evolution

... requirements evolution allows the gathering of evolutionary aspects of socio-technical ...design models as well as men- tal ...these models pinpoint design changes, or revision to training materials ...
Linking Surface Evolution with Mantle Dynamic Processes Using Adjoint Models with Data Assimilation

Linking Surface Evolution with Mantle Dynamic Processes Using Adjoint Models with Data Assimilation

... Synthetic experiments are ideal, and realistic modeling is limited by other factors, including the availability and quality of data. Dynamic topography can be spatially and temporally incomplete, but a complete ...

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Managing the Uncertainty of the Evolution of Requirements Models

Managing the Uncertainty of the Evolution of Requirements Models

... Si* models representing the requirements of the chosen scenario, and identified controllable and observable evolution ...collect data about the application phase, students were asked to deliver a ...

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Abstraction, Visualization, and Evolution of Process Models

Abstraction, Visualization, and Evolution of Process Models

... • DET : DE → DEdgeT ype with DEdgeT ype := {mandatory, optional} assigns to each data edge its type of data access. The control flow of a process model connects process nodes through control edges. Hence, it ...

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Methods, Models, and the Evolution of Moral Psychology

Methods, Models, and the Evolution of Moral Psychology

... empirical data is: are those selection pressures culturally created or not? Is the solution to those pressures a cultural system that shapes our psychology or a biological one? (Of course, this need not be a clean ...

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Time evolution of the sQGP with hydrodynamic models

Time evolution of the sQGP with hydrodynamic models

... We show results from an analytic, 1+3 dimensional perfect relativistic hydrodynamic so- lution, and compare hadron and photon observables to RHIC data. We extract an average equation of state of the expanding ...

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Null Models For Cultural And Social Evolution

Null Models For Cultural And Social Evolution

... evolutionary models because those are the easy ones. We often model evolution essentially as Lotka or Volterra modeled growth of ...These models are notoriously complex, from either a mathematical or ...

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EVOLUTION DATA-DRIVEN

EVOLUTION DATA-DRIVEN

... Bayes models, are often the first tools used to model multi- variate ...predictive models, including addi- tive regression, decision trees, neural networks, support vector machines, and Bayesian networks, ...

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The positive effect of role models in evolution instruction

The positive effect of role models in evolution instruction

... of evolution (Table 1). First, we hypothesized that the type of evolution-instruc- tion content would be a main driver in ...presented evolution as a set of concepts ...for evolution using ...

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Markov models for the evolution of duplicate genes, and microsatellites

Markov models for the evolution of duplicate genes, and microsatellites

... As mentioned in Section 4.1, we expected that there may be identifiability issues in fitting this model to data. Our reasoning was based on the conclusion from Chapter 3 that subfunctionalization alone could lead ...

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Probabilistic models for CRISPR spacer content evolution

Probabilistic models for CRISPR spacer content evolution

... the models pre- sented here do not give substantially different results, the unordered model may be a robust choice for estimating rate and time parameters from CRISPR array ...all models in this ...

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On line evolution of Takagi Sugeno fuzzy models

On line evolution of Takagi Sugeno fuzzy models

... However, when the values of inputs differ significantly a vector representation of the radius will give more flexibility and can compensate the weights of the projections of the distance between a data point and a ...

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On-line evolution of Takagi-Sugeno fuzzy models

On-line evolution of Takagi-Sugeno fuzzy models

... However, when the values of inputs differ significantly a vector representation of the radius will give more flexibility and can compensate the weights of the projections of the distance between a data point and a ...

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Chemical evolution of the Magellanic Clouds: analytical models

Chemical evolution of the Magellanic Clouds: analytical models

... Accepted 1998 May 6. Received 1998 May 6; in original form 1998 January 26 A B S T R A C T We have extended our analytical chemical evolution modelling ideas for the Galaxy to the Magellanic Clouds. Unlike ...

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