uml and data modeling a reconciliation

... Extracting data in staging database After the reducing and filtering of data, data are being extracted in staging database from which the data warehouse is being built (Figure 1) If OLAP database ... ROLAP stores data and aggregation into a relational system and takes at least disc space, but has the worst performances HOLAP stores the data into a relational system and the aggregations in a ... schema of data warehouse and data mining solution for student data service M Suknović, M Čupić, M Martić, D Krulj / Data Warehousing and Data Mining 143 Figure 18: Scheme of data warehouse and data

Ngày tải lên: 04/02/2020, 18:27

... exploratory and confirmatory data analysis must be distinguished between confirmatory nonparametric statistical data analysis, or modeling, and confirmatory parametric statistical data analysis ... considered that a variable is the observation that can have a numerical value and that this value belongs to a variable sample space Also they are called quantiles It is desirable that a characteristic ... information about items that were being shipped from the USA) This meant that the database had to be depurated in great detail Once the database was deemed reliable, the research team began to analyze

Ngày tải lên: 08/02/2021, 07:45

... interviewing, 99–101 D data access patterns, 113 and indexing, 230–232, 233 data dictionary, 31, 143 data file, 221 data format, 164 data integrity, 164 Data Manipulation Language (DML), 46 data modeling common ... ? ?A Developer’s Guide to Data Modeling for SQL Server explains the concepts and practice of data modeling with a clarity that makes the technology accessible to anyone building databases and data- driven ... data normalization See normalization data pages, 46 data relationships, 164 data retrieval, ease of, 10–12 data storage mechanism of, 221–222 requirements, 113–114, 140–141 data types, 25 categories

Ngày tải lên: 05/10/2018, 15:30

... we want to make sure that we are all on the same page Databases What is a database? The simple answer is that a databaseis anything that contains information A database can be either logical ... its known data types Now let’s take a look at the various data types used in logical data modeling (47)Alphanumeric All data models contain alphanumeric data: any data in a string format, whether ... The actual data types used for alphanumeric information are char, nchar, varchar, and nvarchar As you can probably tell from the names, all these char data types store character data, such as

Ngày tải lên: 01/04/2021, 09:44

... model. 4 Key Parameters in Forestry Models  Establishment:- land, land preparation, plant stock, planting, watering.  Maintenance:- weed control, fertilizing, pruning and thinning, fire and pest ... unsuitable species, collateral damage at harvest. 7 Forestry Risks 2  Timber return: inappropriate pruning and thinning, poor growth, timber usage and fashion changes.  Sovereign risk: regulatory ... may be used to forecast the MAI, costs, and sales incomes. 10 Predicting Cash Flows 3 Particular long-term data for native species is difficult to estimate. [...]... Sensitivity Analysis Variables:

Ngày tải lên: 23/03/2014, 04:20

... primers 5¢-GT GCTGGGACAC GCCCTCGGTGCGATGC-3¢ and 5¢-GC ATCGCACCGAG GGCGTGTCCCAGCAC-3¢,5¢-GATCT TCGGCGGCAGA AACTACCAGGTGACTG-3¢ and 5¢-CA Fig. 4. Alignment of the esterase lipase ⁄ pentapeptide motif ... a Conserved Domain Database for protein classification. Nucl Acids Res 33, 192–196. 34 Kanehisa M, Goto S, Kawashima S & Nakaya A (2002) The KEGG databases at GenomeNet. Nucl Acids Res 30, ... Invitrogen (Carlsbad, CA, USA). Pfu Turbo and T4 DNA ligase were purchased from Invitrogen and Stratagene (La Jolla, CA, USA), respectively. Strains and plasmids The vector pGEM-t-easy (Promega, Madison, WI, USA) was

Ngày tải lên: 23/03/2014, 09:20

... data we need a database that can hold information in a logical way and allow data retrieval When you think of a database, you should really think of something with tables that are made... ... data model into a physical database There are many choices on the market when it comes to database... do on the data model, things change and new data becomes available A sound data ... functions that allow you to manage your databases, functions such as backup and restore, index management, data loading utilities, and even reporting... start talking about relational databases,

Ngày tải lên: 31/03/2014, 21:22

... and/ or the disaggregated data are faulty, then there may be no advan- tages and perhaps some disadvantages in using disagregated data, as is evident. Also, there are some circumstances when data ... et al. (1961), Espasa and Matea (1990), Espasa BAYESIAN MODELING OF ECONOMIES 675 (1994), and de Alba and Zellner (1991), among others. Actual comparisons of such forecasts for U.S. annual real ... real wage rates, W, and real GDP, Y. The variables m and Y are “demand shifters,” W is the price of labor, and SR is related to the price of capital. As noted in the literature and in our past

Ngày tải lên: 08/04/2014, 12:27

... mechanism takes care of marshaling and unmarshaling parameter objects using object serialization RMI and object serialization are tightly integrated into the Java framework and extend Java features ... ed Modeling Language has been proposed by Grady Booch, Ivar Jacobson, and James Rumbaugh as a standard notation for object-oriented analysis and design BRJ97 UML version 1.0 incorporates variants ... We also delayed the selection of Java datatypes for attributes and method parameters and the decision how to implement the associations and aggregation relationships until this phase Implementation

Ngày tải lên: 19/04/2014, 17:02

... own DataSet (schema) 1 1 2 3 4 Create Dataset Add DataTable(s) Add DataColumn(s) to DataTable Define datatable schema Fill Data into DataTable(s) in DataSet 2 1 2 Add DataRow to DataTable ... Dataset/Datatable and Database Connect to Command and Connection Fill and Update Dataset/DataTable Disconect to Dataset/DataTable Lesson 3: Creating DataAdapter Objects How to Create DataAdapter ... data in a DataTable DataSet A DataTable's DataRow objects contain all the data in the DataTable Create DataTable DataColumn DataRow Table.NewRow method Can access DataRow values by providing:

Ngày tải lên: 13/05/2014, 12:19

... “UP” state. (Case 1) The switch is measured in open air. (Case 2) The packaging layer is brought down and taped into hard contact and measured. (Case 3) A top metal press plate and a 15 lbwt are ... technology that could function as a technology for much simpler and faster fabrication on/in paper. Most available commercial RFID tags are passive, and the antenna translates electromagnetic waves from ... the package layer are nearly the same. FIGURE 3.6: Pictorial side view of the package stackup. aluminum contacts. However, for a reliable and long-term operation, a substantial sealed package

Ngày tải lên: 21/06/2014, 22:20

... that they can easily integrate additional or reconfigurable capabilities. FIGURE 4.13: The comparison between measured and simulated S-parameters (S21 and S11) of the four-pole quasielliptic bandpass ... passband, and the 3-dB bandwidth about 6.6% at center frequency 59.1 GHz.The selectivity onthe highside ofthepassband isbetter thantheEMsimulation because an inherent attenuation pole occurs at ... 3rd, and 5th resonator: M3) so that the spacing between adjacent resonators and the overlap between the feeding lines and the resonators work as the main parameters of the filter design to achieve

Ngày tải lên: 21/06/2014, 22:20

... and accurate resonant frequency. To decrease the metal loss and enhance the quality factor, the vertical conducting walls are replaced by a lattice of via posts. In our case, we use Cassivi and ... field leakage and to enhance the Q. In addition, the size and spacing of via posts are properl y chosen to prevent electromagnetic field leakage and to achieve stop-band characteristic at the desired ... VERTICALLY STACKED CAVITY FILTERS AND DUPLEXERS An even more compact filter configuration, that takes better advantage of the third (vertical) dimen- sion and further reduces its horizontal area is

Ngày tải lên: 21/06/2014, 22:20

... 5.20: Measured and simulated S-parameters of the dual-mode c avity filter for an Rx channel. First, a Rx filter was designed and validated with experimental data, as shown in Fig. 5.20. A line-reflect-reflect-match ... with a Rectangular Slot. The multipath diagram of a vertically stacked dual-mode filter with a rectangular slot is illustrated in Fig. 5.23. The black circles denoted by 1 and 2 are the degenerate ... (rectangular and cross-shaped) are considered as the intercoupling structure in this study. In the past, mode matching methods [70] and scattering matrix approaches [76] have been used to anal

Ngày tải lên: 21/06/2014, 22:20

... into space waves. The radiation patternssimulatedin E andH planes ofpatchantennas with thesoft surfaceonly and with the soft surface/stacked cavity are shown and compared in Fig. 6.8 (a) and (b), ... than the maximum gain and 7 dB higher than the gain at broadside for the antenna without the soft surface. 6.2 HIGH-GAIN PATCH ANTENNA USING A COMBINATION OF A SOFT-SURFACE STRUCTURE AND A STACKED ... spatial variation of the cross-polarization is quick and irregular. THREE-DIMENSIONAL ANTENNA ARCHITECTURES 81 Also, a slight polarization mismatch or /and some objects near the antenna (such as

Ngày tải lên: 21/06/2014, 22:20

... students and researchers) and has established academic programs in Highly Integrated/Multilayer Packaging for RF and Wireless Applications using ceramic and organic flexible materials, paper-based ... Laskar, J. Papapolymerou, D. Thompson, S. Pinel, R. L. Li, J. H. Lee, G. DeJean, S. Sarkar, R. Pratap, R. Bairavasubramanian, and N. Papageorgiou, “RF SOP for multi-band RF and millimeter-wave ... on Advanced Packaging, vol. 27, no. 2, pp. 332–340, May 2004. [36] K. Lim, A. Obatoyinbo, A. Sutuno, S. Chakraborty, C. Lee, E. Gebara, A. Raghavan, and J. Laskar, ? ?A highly integrated transceiver

Ngày tải lên: 21/06/2014, 22:20

... system for data storage and controlled 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. ... support of standard datatypes. Examples of datatypes are char, date, float, long, number, nvarchar2, raw, varchar2. Object relational databases also require support of any enumeration designed ... defines a database. As a component the database must have a name. In the component view, a database is a target dependent element, since it references a database type. A corresponding icon can represent...

Ngày tải lên: 10/12/2013, 15:15

... project. Craig Martin at RAND oversaw data management for the project including obtaining and processing military personnel records, writing analysis programs, and facilitating data transfer to and ... attributable to activation derived from administrative data by year activated, activation duration, pay grade, and military occupation. ere are numerous examples where administrative and survey data ... Estimated Earnings Changes 21 Table 3.6 Comparison of Mean Civilian Earnings in SOFS-R and Administrative Data (in dollars) Sample SOFS-R Administrative Data SOFS-R Minus Administrative Data %...

Ngày tải lên: 23/03/2014, 02:20

... Design Databases course description. Overview of Data Modeling and Database Design 8Ć9 Database Design Designing a relational database system involves converting a model into a workable software ... define basic types of data relationships. D Define a relational database and its components. D Read an entity relationship model. D Translate an entity relationship model into a relational database ... identifier. Third normal form (3NF) No non-UID attribute can be dependent upon another non-UID attribute. Overview of Data Modeling and Database Design 8Ć29 Designing the Database The database design stage produces...

Ngày tải lên: 10/12/2013, 17:15

... Overview of Data Modeling and Database Design 8 Overview of Data Modeling and Database Design 8Ć5 Overview When you create a database, you need to carefully consider its components. For assistance ... of Data Modeling and Database Design 8Ć23 Integrity Constraints and Keys Ensure that users perform only operations that leave the database in a correct and consistent state by enforcing data integrity ... contain a null value. Candidate Keys A table can have several candidate keys. A candidate key is a column or combination of columns that can serve as the primary key for the table. Select one candidate...

Ngày tải lên: 21/12/2013, 06:17