the uml and data modelling

... 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 ... language. Using the UML data modeling profile, Rational Rose Data Modeler unifies software development teams with a single, shared tool. The UML and Data Modeling 1 Introduction The power of the Unified ... 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 UML 2 . The UML Data Modeling Profile This...

Ngày tải lên: 10/12/2013, 15:15

... 20 Packages Data Types 14 Class Diagrams  A class diagram shows the existence of classes and their relationships in the logical view of a system  UML modeling elements in class diagrams - Classes and ... add section 1 35 The State of an class  A state chart diagram shows - The life history of a given class - The events that cause a transition from one state to another - The actions that result ... relationships within the implementation environment Components represent all kinds of elements that pertain to the piecing together of software applications. Among other things, they may be simple...

Ngày tải lên: 22/08/2012, 10:37

... at the definition of the Vehicle class). The con- stant 5 is also of type int , so the type of the variable on the right side of the assignment operator matches the type of the variable on the ... now. The program creates an object myCar of class Vehicle and then populates each of the fields by reading the appropriate data from the keyboard. The input data isn’t checked for legality. The ... to dSum . By the end of the loop, dSum has accumulated the sum of all the values in the array. The resulting sum is divided by the number of elements to create the aver- age. The output from...

Ngày tải lên: 04/10/2013, 21:20

... An Introduction to the UML What is the UML? The Unified Modelling Language, or the UML, is a graphical modelling language that provides us with a syntax for describing the major elements (called ... changes to the data in the module, and rest assured that no other modules are dependent upon that data. The programmer might well need to update the functions inside the module, but at least the impact ... from the customer is essential! The Conceptual Model in the UML Now that we’ve seen how to discover the concepts, we need to look how to capture the concepts in the UML. We’ll use the core...

Ngày tải lên: 10/12/2013, 14:16

... health, water and sewer 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 ... children, the data are misleading. “Urban” data do not disaggregate the poor from the not poor, the comfortable from 4 500,000 people resided there. Data in this study are from the late 1980s and ... improve the health of these children. The report tries to deal with the questions of what is different about the living situations and life chances of these children (compared with the “average”...

Ngày tải lên: 12/02/2014, 12:20

Ngày tải lên: 14/02/2014, 03:20

... remains the use of the NMDS in deter- mining some percentage points of the budget of the hospital. A few hospitals already use the data set to guide their staffing decisions. On the other hand, the ... standardize these variables and to aggregate them per nursing unit. The use of RID- ITS makes it possible to assess the impact of the revised NMDS on the nursing profile of the nursing ward, the ... while the nurse on the other hand has a view of all hospitalised patients on the ward she is working on. Both displays are integrating the same data, which are entered only once in the central database....

Ngày tải lên: 16/02/2014, 20:20

... swept into the mix, because no one would cancel their landline phone just be- cause they bought an Xbox and subscribed to the Xbox Live Serv- ice. The service clearly stands outside of the communications ... preserve to local stations the credit to which they are entitled—in the eyes of the advertisers and the public—for presenting programs for which they had bargained and paid in the competitive program ... Look at Video and Data Services.’’ Video and data are the second and third legs of the three-legged IP-enabled stool. Recently, we examined Voice over IP, which is the other leg. And as we modernize...

Ngày tải lên: 18/02/2014, 00:20

... well as the former simulation as they do to the experimental data. The large subunit NrfA, contains the high-spin heme, and four low-spin c-hemes with g max ẳ 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 a 2 b 2. The present findings are in agreement with the ... buffer. According to the column calibration, the molecular masses of the two observed peaks (Table 1) are in good agreement to the NrfA and NrfH molecular masses, as further proved by the respective SDS/PAGE...

Ngày tải lên: 21/02/2014, 00:20

... into the structural alignment. The alignment was then corrected by hand. Since the sequences of the two arginases and agmatinase greately differ in the N terminal region, the agmatinase and rat ... 5Â-GCCCACACC AAT ACCTATGCG-3Â) and the 3Â complementary primer 5Â-AT TAATGGCATGCTTTACCCGT-3Â.UsingthePCR products of agmatinase with the GAandCT substi- tutions in the coding and noncoding strands, respectively, and using ... in the agmatinase sequence were modelled using the DGLOOP set of options in WHATIF ; the whole loops and the two connecting amino acids at the beginning and the end, were mutated to glycines and, ...

Ngày tải lên: 21/02/2014, 01:21

... other (one on the basis of the possible Eng- lish 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. ... specification of the relation between the English word meanings used in (i) and the primitive concepts at the data base level. IV THE RELATION BETWEEN EFL AND DBL Though we defined EFL and DBL independently ... termined by the data base, the question as formula- ted refers to entities which are not represented in the data base, cannot be constructed out of such entities, and do not stand in a one-to-one...

Ngày tải lên: 21/02/2014, 20:20

Ngày tải lên: 21/02/2014, 20:20

... 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. ... organization of education, data collection, data input and data transmission to the research teams. These coordinators had previous experience with the NMDS and with data handling. The revised NMDS ... Therefore, the UMLS SPECIALIST Lexicon [15] will be used to standardize these terms first. The final step is to instantiate the information-need template with the data obtained from the EPR (the...

Ngày tải lên: 05/03/2014, 23:20

... data items to collect, how to perform the calculations and how to present the results. They were prepared to do the best they could and then to expose the results to empirical tests, to use the ... 20.8% 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 non- random element in the process 14 . Data, as has ... mean the patient did not have the symptom? You cannot be sure. The only way to ensure that the statistics accurately reflect the symptoms and diseases of the patients is to collect all the data...

Ngày tải lên: 15/03/2014, 12:20

... close to the position found in the complex with PG [19]. The bond lengths and valence angles of the nitroaniline moiety were taken from the X-ray data for the system cyclophilin A and the tripeptide ... described [26]. The other substrates were obtained in dry organic solvents in the presence of organic base (pyridine, N-methylmorpholine). The solvents used for the synthesis of the respective ... was allowed to reach room temperature and the reaction was further carried out at the boiling point of the organic solvent. The products were recrystallized: the phenylacetamido- benzoic acids,...

Ngày tải lên: 16/03/2014, 16:20

Ngày tải lên: 23/03/2014, 07:20

Ngày tải lên: 29/03/2014, 04:21

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Ngày tải lên: 16/04/2014, 11:14

Ngày tải lên: 17/04/2014, 09:16