use case modeling and detailed requirements

... use case view is composed of use cases, each of which narrates a complete and specific set of actions that are closely related While use cases may join other use cases and incorporate other use ... use case view RE/TRAC visually shows a use case and its relationships with other use cases After refinements are made to a use case, the graphical depiction incorporates the changed use case and ... of use cases Use cases may be related to other use cases via the dependency relationships of inclusion, and extension Dependent use cases may also be refined 2.3.1 Hierarchical Structure of Use...

Ngày tải lên: 30/10/2014, 20:14

... Write the Use Cases 50 Driving Your Design (and Your Tests) from the Use Cases 51 Use Case Modeling in Theory 51 Top 10 Use Case Modeling Guidelines ... Identify use cases, and put them on use case diagrams Organize the use cases logically into groups Capture this information in a package diagram Allocate functional requirements to the use cases and ... your use cases with actors and use case diagrams Write your use cases in active voice Write your use case using an event/response flow, describing both sides of the user/system dialogue Use GUI...

Ngày tải lên: 15/03/2014, 02:20

... Data-Related Use Cases and Data Requirements Exercise 1: Identifying Use Cases that Require Data In this exercise, you will identify data requirements from the provided use cases ! Determine data requirements ... Ferguson and Bardell, Inc Using both the case study and these use cases, identify the system’s data requirements and enter them in the grid below The grid includes a few extra rows, in case you ... requirements from a set of current state use cases Refer to the Ferguson and Bardell, Inc case study in Appendix A of this Activity Manual Following are various use cases that capture the functionality...

Ngày tải lên: 21/12/2013, 06:16

... variables 17 Forestry Modeling Forestry projects are long term  Costs and benefits are difficult to predict  Growth risks and product types are particular to forestry  Modeling helps to analyze ... control, fertilizing, pruning and thinning, fire and pest protection  Inflows:wood; commercial thinning, final harvest non-wood; flora gathering, recreation, land renewal  Required rate of ... storm, fire, pests and diseases, unsuitable species, collateral damage at harvest Forestry Risks  Timber return: inappropriate pruning and thinning, poor growth, timber usage and fashion changes...

Ngày tải lên: 23/03/2014, 04:20

... stock prices, S R, and real money, m, and current rates of change of real wage rates, W , and real GDP, Y The variables m and Y are “demand shifters,” W is the price of labor, and S R is related ... of 2.23 and MAE of 1.90 and the aggregate AR(3)LI model’s RMSE of 2.32 and MAE of 1.98 The RMSE and MAE for the aggregate AR(3) benchmark model are 2.32 and 1.71, respectively Clearly, use of ... Forecasting equations BAYESIAN MODELING OF ECONOMIES 677 678 ARNOLD ZELLNER AND BIN CHEN ESTIMATION AND FORECASTING METHODS 3.1 Notation and Equations In what follows, we use the following notation:...

Ngày tải lên: 08/04/2014, 12:27

... box to authenticate users and allow users to log or block users logged into the system Suppose that there are management and user and password processing components for each user We have the GUI ... test case from GUI and software requirements for specific examples, and support tool After researching and testing, in Conclusion, we give some comments and summarize on automatically test case ... case set which we will generate includes parameters: username, password and button Besides, the software requirements of this dialog are: A text box allows you to type user name: allows the user...

Ngày tải lên: 12/04/2014, 15:43

... the Pieces Together 37 Chapter Use Case Modeling 39 The Key Elements of Use Case Modeling 40 The Top 10 Use Case Modeling Errors 41 Exercises ... from use cases to sequence diagrams This is a non-trivial problem in most cases because the use cases present a requirements- level view of the system, and the sequence diagram is a very detailed ... where use case modeling resides within the “big picture” for the ICONIX process As you can see, we think it’s a good idea to use prototypes to help define the use cases And, we our use case model,...

Ngày tải lên: 29/04/2014, 14:52

... industrial and raw feeds are used Except for a few households that fed only mixed feed to their chickens (9% for broiler and 18% for layer), a large percentage of both pig and chicken producers used ... for 60 days and stage (grower plus finisher stage) is 98 days feed, and also significantly lower in households using foreign brand complete feed than those using domestic brands in the case of chicken ... a strong and useful role for SMEs in the sector The Association is already used by SMEs for feed ration recipes, and advice on various aspects of production, and this role could be expanded to...

Ngày tải lên: 21/06/2014, 05:20

... movement REFINE AND PRIORITIZE PROBLEMS AND SET OBJECTIVES Once the analyses and modeling have been carried out, there should be a more definitive understanding of the problem and a refined conceptual ... effective, and in providing the necessary input for groundwater modeling in later phases There are also two steps that focus on problem analysis and developing an understanding of the cause of elevated ... the site phenomenon LeGrand and the senior authors of this chapter have long advocated that hydrogeologic foreknowledge and preliminary modeling can often reveal more useful information than...

Ngày tải lên: 11/08/2014, 13:21

... alluvial and marine sedimentary deposits layered into permeable multiple aquifer systems comprised of fine to coarse sand and gravel, and less permeable aquitards comprised of fine sand, silt, and ... wells were constructed and used for the test Treated Colorado River water was used for the injection source, and injection and monitoring occurred between February 1953 and June 1954 The test ... and is accomplished by multiple agencies with individual and shared responsibilities The LACFCD owns, operates, and maintains the three barrier well projects and performs regular monitoring and...

Ngày tải lên: 11/08/2014, 13:21

... solute concentrations, and mass balance information This output is in standard MODFLOW and MT3DMS format, and most publicly and commercially available software can be used to process simulation ... fresh, brackish, and saline groundwater in Dutch coastal aquifers The greatest land subsidence is occurring in the peaty and clayey regions in the west and north of the Netherlands and emanates from ... measured and computed freshwater heads is −0.16 m, the mean absolute error 0.61 m, and the standard deviation 0.79 m 3.2.3 Sea Level Rise and Land Subsidence It is expected that climate change causes...

Ngày tải lên: 11/08/2014, 13:21

... Figure 1: (a) Map of The Netherlands: position of the island of Texel and ground surface of The Netherlands; (b) map of Texel: position of the four polder areas and sand-dune area as well as phreatic ... includes land subsidence caused by groundwater recovery, the compaction and shrinkage of clay, and especially the oxidation of peat © 2004 by CRC Press LLC Island of Texel, The Netherlands 89 Figure ... REFERENCES Bear, J and Verruijt, A., Modeling Groundwater Flow and Pollution, D Reidel Publishing Company, Dordrecht, The Netherlands, 414 p., 1987 Harbaugh, A.W and McDonald, M.G., User's documentation...

Ngày tải lên: 11/08/2014, 13:21

... groundwater and surface water Along carbonate land–sea margins, the ubiquity of onshore and offshore springs further emphasizes the geologically enhanced water and solute exchange 1.1.2 Modern and Paleo ... such as discharge and turbulence continuously sort particles in both the bed and suspended load As a consequence, paleo and modern river channels are typically well sorted and consist of coarser ... 107 sands Because coastal groundwater discharge in Tampa Bay can be divided into these two distinct processes that convey very different water masses and associated constituents, resource and...

Ngày tải lên: 11/08/2014, 13:21

... focused attention can be effectively given to more detailed short-term and long-term sampling Acknowledgments The information contained in the foregoing discussion is largely based on island and ... fieldwork REFERENCES Baird, A.J and Horn, D.P., “Monitoring and modeling groundwater behaviour in sand beaches”, Journal of Coastal Research, 12(3), 630–640, 1996 Barwell, V.K and Lee, D.R., “Determination ... day both laterally and vertically, highly variable salinity, fluctuating hydraulic heads, and a geologically heterogeneous beach [Turner, 1993a; Baird and Horn, 1996; Robinson and Gallagher, 1999;...

Ngày tải lên: 11/08/2014, 13:21

... than unknowns, and the residuals from the additional equations can be used to reduce the mean square difference between model and data That is, the various empirical parameters used in the inversion ... verification boreholes, commonly drilled at minimal expense by standard rotary drilling, then left uncased and kept open with drilling mud, can be used to verify that these features are present as predicted ... lithology and pore structure to variations in electrical conductivity were negligible (Figure 5) Although the erratic distribution of phosphatic sands caused gamma logs to be of no use in characterizing...

Ngày tải lên: 11/08/2014, 13:21

... lagoon and saltworks, and anthropic factors including irrigated agriculture and the urban and industrial development of the study area The relationship between groundwater, lagoon, saltworks and ... Coastal Aquifers—Monitoring, Modeling, and Management, Essaouira, Morocco, eds D Ouazar and A.H.-D Cheng, April 23–25, 2001 Bear, J and Bachmat, Y., Introduction to Modeling of Transport Phenomena ... database, which is constantly updated and used for constructing graphical representations of the hydrogeological and hydrogeochemical data Pumping tests and artificial recharge experiments have...

Ngày tải lên: 11/08/2014, 13:21

... for Milrow, and also assumed to be 200 and 400 m narrower than used in the base -case model For reference, the base -case half-width used at Milrow is 2,062 m, so that plus and minus 10 and 20% differences ... 10B for the base -case island width and the four additional sensitivity cases Reducing the island half-width decreases the depth of the TZ, and cuts the distance between the cavity and the transition ... (first modeling stage) and the combined uncertainty analysis (second modeling stage) For the first modeling stage, a lognormal distribution was used to generate the recharge values for Scenario and...

Ngày tải lên: 11/08/2014, 13:21

... data, σ q and σ K , we can then assemble the mean toe location and its standard deviation from Eqs (13) and (14) More detail of the above procedure can be found in Cheng and Ouazar [1995], and Naji ... locations and discharge limits for the Miami Beach aquifer age, corresponding to coastal piedmonts and alluvial fans, and is generally unconfined and single-layered The sediment consists of clay and ... intrusion for the case cq = 5% , cK = 25% and R = 90% (Solid circle: active well; open circle: inactive well.) = 30 m, and densities of freshwater and saltwater are ρ f = 1.0 g/cm³ and ρ s = 1.025...

Ngày tải lên: 11/08/2014, 13:21

... m more 60 km inland The large REVs used for this study justified the use of a “porous media” approach Both the field and the simulated data were consistent Thus, the model was used in a predictive ... quasi-three-dimensional because it assumes horizontal flow in the aquifers and vertical flow in the confining layers The model uses two governing equations, one for the freshwater domain and one for the ... correspond to the “Ring of Cenotes.” the y-direction, Q f and Qs are the fresh- and saltwater source/sink terms ( LT −1 ), Qlf and Qls are the fresh- and saltwater leakage terms ( LT −1 ), the parameter...

Ngày tải lên: 11/08/2014, 13:21

... hospitalization and included McKenzie exercises (standing and prone repetitive standing lumbar extension), stretching (hamstrings, single knee-to-chest, quadriceps, gluteals, hip flexors) and an educational ... myofascial release treatment and ischemic compression as described by Barnes and Leahy were used to treat tight muscles and trigger points [12,13] These muscles and surrounding joints were also ... chiropractor and flight surgeon discussed the case to insure that the flight surgeon was informed of the course of care The chiropractor and the physical therapist dis- http://www.chiroandosteo.com/content/14/1/11...

Ngày tải lên: 13/08/2014, 14:20