finish the model and data modules
Tài liệu The UML and Data Modeling pptx
... access to stored data It is the biggest element a data model supports The relational database is the standard database supported by the Data Modeling UML profile An object relational database, an ... However, modeling of the physical data model must express a detailed description of the database This is done using Rational’s Data Modeling Profile for the UML2 The UML Data Modeling Profile This ... columns and it can also exist on a single column Summary With the data modeling for UML profile, the UML fully supports data modeling needs It allows the support of software development and data modeling...
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The Relational Data Model and Relational Database Constraints
... Relational Model Concepts Relational Model Constraints and Relational Database Schemas Update Operations and Dealing with Constraint Violations Relational Model Concepts The relational Model of Data ... by the theory of relations We review the essentials of the relational approach in this chapter Relational Model Concepts The model was first proposed by Dr E.F Codd of IBM in 1970 in the ... Relational Model for Large Shared Data Banks," Communications of the ACM, June 1970 The above paper caused a major revolution in the field of Database management and earned Ted Codd the coveted...
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Báo cáo khoa hoc:" Simulation analysis to test the influence of model adequacy and data structure on the estimation of genetic parameters for traits with direct and maternal effects" ppsx
... despite the theoretical advantages of this model, some data and model conditions can affect the validity and precision of the estimation of variance components The first source of bias lies in the ... and a random sire effect The reduced model, obtained by excluding the sire effect from the model, represented the optimal statistical situation from a connectedness viewpoint The value of γ and ... example, at the end of the simulation, the maternal grand-dams had still passed on 78% of the gene of their flock and the dams, 39% Therefore, six years were not sufficient to take into account the overall...
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Báo cáo y học: "The Open Microscopy Environment (OME) Data Model and XML file: open tools for informatics and quantitative analysis in biological imaging" docx
... accessing the STs for the inputs and outputs within an OME database (b) The DataManager, DatasetBrowser and 5DViewer The DataManager shows the relationships between Projects, Datasets and Images ... agreed upon by the OME community, can then be merged into the main schema The OME database Figure The Image element in the OME file schema The Image element in the OME file schema The data elements ... different data types and relationships included in an imaging experiment The OME Data Model integrates binary image data and all information regarding the image acquisition and processing, and any...
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Designing and querying XML views based on the ORA SS data model
... XML data are stored in an objectrelational database 1.4 Thesis Overview The rest of the thesis is organized as follows Chapter introduces some of the main data models for XML data as well as the ... the attribute value must be included in the element On the other hand, the keyword 15 Chapter Data Models for XML Data #implied indicates the attribute does not have to be included Finally, the ... is named dataguides Dataguides are derived from instance data A dataguide can only describe the nested structure of the data The other semantic information cannot be modeled using a dataguide...
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An empirical study of the effects of data model and query language on novice user query performance
... 3-1 The research model The data model refers to the data model structure, the operations and any constraints on the operations It affects the way a user views and manipulates the data in the database ... level Three data models were chosen for the test: the relational data model for the logical level, the object-oriented (OO) data model and the United Modeling Language (UML) model both for the conceptual ... conceptual and logical data models in the context of the database development life cycle The ER model vs the relational model and the object-oriented diagram (OOD) vs the object-oriented text (OOT) models...
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Collecting Data — The Class and the Array
... starts with Chapter 6: Collecting Data — The Class and the Array the member string sModel, which contains the name of the model of the vehicle Were this a car, the model name could be Trouper II ... in the classifieds Chapter Collecting Data — The Class and the Array In This Chapter ᮣ Introducing the C# class ᮣ Storing data in an object ᮣ Assigning and using object references ᮣ Creating and ... num; num = 1; The first line declares the variable num, and the second line assigns an already-created constant of type int into the location of the variable num The intrinsic num and the object...
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Chapter 6 The Single Index Model and Bivariate Regression
... included in the regression The standard deviation of the residuals is essentially equal to the standard error of the regression - the difference being due to the fact that the formula for the standard ... they share the assumed properties b b b of the true residuals εt The & gure below plots rt (the actual data) , rt = α + βrMt b (the & tted data) and bt = rt − rt (the estimated residual data) ε ... 2,M and εpt = x1 ε1t + x2 ε2t Hence, the single index model will hold for the return on the portfolio where the parameters of the single index model are weighted averages of the parameters of the...
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Tài liệu Health of Children Living in Urban Slums in Asia and the Near East: Review of Existing Literature and Data pdf
... services, and infrastructure and thus has a higher standard of health and welfare The data would seem to bear out these assumptions For understanding the health status of urban slum children, the data ... quintiles and also by “rural” and “urban.” Health, population, and service utilization data were then compared across quintiles The data were derived from DHS household data from 44 countries, and the ... (countries and cities selected were India and Ahmedabad, the Philippines and Manila, and Egypt and Cairo) xi To guide the literature search, the team defined a set of child health status and determinants...
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Tài liệu HEALTH CONTINUUM AND DATA EXCHANGE IN BELGIUM AND IN THE NETHERLANDS docx
... classified) The meetings (May 2004) consisted, on the one hand, in a quantitative measure on their database and, on the other hand, in a qualitative estimation of the resistances on the use of the EMR and ... chemotherapy,… from the HDDS with the nursing care and intervention data, staff and qualification data, … per day-of-stay from the new NMDS The national data constitute the benchmark to delineate the ... indicators between the first and the second phase of the study) and compared the results between the pooled and restricted database We did this analysis only with data from the paper group We...
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Tài liệu HOW INTERNET PROTOCOL-ENABLED SERVICES ARE CHANGING THE FACE OF COMMUNICATIONS: A LOOK AT VIDEO AND DATA SERVICES ppt
... determine whether and how these new services fit into the current regulatory landscape and what it takes to get them deployed quickly with the least amount of government interference I welcome the witnesses ... commercial for the show right there on their phone’s screen, and then schedule to record that show And the customer will be able to see a notification both on their Cingular phone as well as on their ... choice They want to control their communications and entertainment experience They want to communicate, gather information and enjoy entertainment when they want it, how they want it and on which...
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Tài liệu Báo cáo khoa học: A kinetic model of the branch-point between the methionine and threonine biosynthesis pathways in Arabidopsis thaliana doc
... Prior to the present study, the only model available for the branch-point between the methionine and threonine biosynthesis pathways in the plant was the qualitative model shown in Fig The allosteric ... situation and therefore provides a realistic, detailed description of the branch-point between the methionine and threonine biosynthesis pathways In the following the model is used to investigate the ... 2.7) than in the second (1.8) Improvement of the computer model We anticipated that the discrepancy between the computer model and the experimental data originated from an inadequacy of the TS mechanistic...
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Tài liệu Báo cáo khoa học: The isolation and characterization of cytochrome c nitrite reductase subunits (NrfA and NrfH) from Desulfovibrio desulfuricans ATCC 27774 Re-evaluation of the spectroscopic data and redox properties ppt
... well as the former simulation as they to the experimental data The large subunit NrfA, contains the high-spin heme, and four low-spin c-hemes with gmax ¼ 3.6, 3.50, 3.2 and 2.96, while the NrfH ... containing the double of NrfA subunit in respect to the NrfH subunit Nevertheless, inside these huge aggregates there are species of the type a2b2 The present findings are in agreement with the reported ... NrfB [22] These important developments demand the re-examination of the biochemical properties of D desulfuricans ATCC 27774 ccNiR, and its implications on the existing spectroscopic data, which...
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Tài liệu Báo cáo khoa học: "ENGLISH WORDS AND DATA BASES: HOW TO BRIDGE THE GAP" pdf
... possible English questions about the subject-domain, the other on the basis of the structure of the data base about it) there must be a relation between them The data base contains information ... of a specification of the relation between the English word meanings used in (i) and the primitive concepts at the data base level IV V THE RELATION BETWEEN EFL AND DBL THE PROBLEM OF COMPOUND ... simplifying the DBL* expression (and other, intermediate expressions, in the full version of the PHLIQA method) can be treated separately from the peculiarities of particular data bases and particular...
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Health Continuum and Data Exchange in Belgium and in the Netherlands doc
... classified) The meetings (May 2004) consisted, on the one hand, in a quantitative measure on their database and, on the other hand, in a qualitative estimation of the resistances on the use of the EMR and ... chemotherapy,… from the HDDS with the nursing care and intervention data, staff and qualification data, … per day-of-stay from the new NMDS The national data constitute the benchmark to delineate the ... indicators between the first and the second phase of the study) and compared the results between the pooled and restricted database We did this analysis only with data from the paper group We...
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Báo cáo khoa học: "Combining a Statistical Language Model with Logistic Regression to Predict the Lexical and Syntactic Difficulty of Texts for FFL" potx
... Gerhand and Barry, 1998; Brysbaert et al., 2000) suggests that there is a strong relationship between the frequency of words and the speed with which they are recognised We therefore opted to model ... we can reduce this error, the lemma model may prove to be the best predictor of the three The regression models By the end of the parameterisation stage, each text of the corpus has been reduced ... Because of this, they recommend using the PO model (4) In Equation 4, x is the vector containing the independent variables, αj is the intercept parameter for the jth level and β is the vector of...
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From Patient Data to Medical Knowledge The Principles and Practice of Health Informatics ppt
... calculations and how to present the results They were prepared to the best they could and then to expose the results to empirical tests, to use the system in practice and see if it worked The clinical ... because the data the system uses to calculate the probabilities are specific to the place in which the data were collected We should be careful about the meanings we attribute to clinical data They ... error rate in the DRG coding data they looked at, and the proportion of errors favouring the hospitals (61.7%) suggested there was a significant nonrandom element in the process14 Data, as has...
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Báo cáo khoa học: Intermodule cooperativity in the structure and dynamics of consecutive complement control modules in human C1r Structural biology docx
... exactly the reverse of the situation observed for the CCP1single and CCP2single modules and probably reflects the complex interdependence of the modules in terms of internal dynamics and may also ... strands B and C, known as the ‘hypervariable loop‘, D and E, E and F, F and G, and G and H are particularly tolerant of longer insertions [19] In multimodular proteins, however, insertions in the ... define the two apices of the somewhat ellipsoidal protein CCP structures are highly Flexibility and cooperativity of CCP modules variable, with the invariant parts comprising mainly the b-strands The...
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