fundamentals of requirements engineering

Requirements Engineering From System Goals to UML Models to Software Specifications docx

Requirements Engineering From System Goals to UML Models to Software Specifications docx

... System requirements vs software requirements  Software-to-be: software to be developed - part of the Software-to-be machine, component of the system-to-be  Environment: all other components of ... Completeness of objectives, requirements, assumptions  Consistency of RD items  Adequacy of requirements, assumptions, domain props  Unambiguity of RD items  Measurability of requirements, ... assumptions  Pertinence of requirements, assumptions  Feasibility of requirements  Comprehensibility of RD items  Good structuring of the RD  Modifiability of RD items  Traceability of RD items www.wileyeurope...

Ngày tải lên: 13/07/2014, 07:20

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The Document Object Model (DOM)

The Document Object Model (DOM)

... William British 1564 1616 Sonnet 130 My mistress’ ... William British 1564 1616 Sonnet 130 My mistress' ... you go through a detailed listing of all the nodes returned by the parser, you’ll find that a lot of them are pretty useless All of the blank spaces at the start of the lines at the left are Text...

Ngày tải lên: 30/09/2013, 04:20

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The Document Object Model

The Document Object Model

... position between the children of the document or the element An offset of 0, for example, represents the position immediately before the first child of the node An offset of represents the position ... number represents a position between the characters of text An offset of specifies the position before the first character of text, an offset of specifies the position between the first and second ... children, adding up the number of HTML tags (i.e., Element nodes) it encounters in the course of the traversal Note the use of the childNodes property of a node The value of this property is a NodeList...

Ngày tải lên: 05/10/2013, 13:20

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The Three Layer Model

The Three Layer Model

... of one of the layers) no longer have to act as some kind of "jack-ofall-trades”; The model itself (but the same goes for the agents that are used in it) does not enforce a specific type of software ... applications In section 1.2.2, we saw a list of the general deficiencies of search engines (compared to software agents) But what are the specific advantages of usage of the middle layer over search engines, ... side (of information), i.e the individual information sources and suppliers; here, an agent's tasks are to make an exact inventory of (the kinds of) services and information that are being offered...

Ngày tải lên: 05/10/2013, 13:20

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The OSI Reference Model

The OSI Reference Model

... itself had become more independent of the process of pure data transmission Modems and fax machines, for instance, rely on the functionality of the services of a lower layer and adapt their own ... packet consists of either a single bit or a number of bits With regard to the Air-interface of a GSM system, the GMSK modulation and the HF equipment in the MS and the BTS are part of Layer Over ... for the LAPD protocol The Glossary provides a description of the HDLC frame format The main purpose of all the tasks of Layer is that of error detection and correction Data frames are formed by...

Ngày tải lên: 19/10/2013, 03:20

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The Black Scholes Model

The Black Scholes Model

... of Ft T = volatility of tT = var ln St = σ In general, the volatility of the forward price equals the volatility of the spot price; the volatility of the futures price equals the volatility of ... is critical that the reader has a clear understanding of the concepts and notation of paragraph (iii) of the last section (ii) The payoff of an option on a futures or forward contract is more ... rid of the awkward “max” function in the integral, setting the lower limit of integration y = ln X r Change the variable of integration (y−x) → z 4T r Use the standard integral results of Appendix...

Ngày tải lên: 25/10/2013, 19:20

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Bài giảng Chapter 7 The Quantum-Mechanical Model of the Atom

Bài giảng Chapter 7 The Quantum-Mechanical Model of the Atom

... Behavior of the Very Small • electrons are incredibly small a single speck of dust has more electrons than the number of people who have ever lived on earth • electron behavior determines much of ... see in the properties of the elements Tro, Chemistry: A Molecular Approach The Nature of Light its Wave Nature • light is a form of electromagnetic radiation  composed of perpendicular oscillating ... Characterizing Waves • the frequency, (ν) is the number of waves that pass a point in a given period of time the number of waves = number of cycles units are hertz, (Hz) or cycles/s = s-1 1...

Ngày tải lên: 28/11/2013, 01:11

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systems with hysteresis. analysis_ identification and control using the bouc–wen model

systems with hysteresis. analysis_ identification and control using the bouc–wen model

... Department of Applied Mathematics III School of Technical Industrial Engineering Technical University of Catalunya Barcelona, Spain José Rodellar Department of Applied Mathematics III School of Civil Engineering ... Symmetry property of the hysteresis loop of the Bouc–Wen model 67 xvi LIST OF FIGURES Figure 4.3 Methodologies of the analysis of the variation of w x ¯ ¯ 68 Figure 4.4 Variation of the maximal ... students at the Technical University of Catalonia We are grateful to Prof Shirley Dyke, Prof Víctor Mañosa and Prof Jorge Hurtado for their coauthoring of some of the papers that have been used...

Ngày tải lên: 12/12/2013, 22:41

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Chapter 6 The Single Index Model and Bivariate Regression

Chapter 6 The Single Index Model and Bivariate Regression

... the news effects of new product discoveries or the death of a CEO This type of risk is often called & speci& risk, idiosyncratic risk, residual risk or non-market risk This type of rm c risk can ... and t = 1, , T The purpose of an event study is to measure the effect of an economic event on the value of a & rm Examples of event studies include the analysis of mergers and acquisitions, ... parameters of the single index model are weighted averages of the parameters of the individual assets in the portfolio In particular, the beta of the portfolio is a weighted average of the individual...

Ngày tải lên: 17/12/2013, 15:17

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Tài liệu The IS-LM model doc

Tài liệu The IS-LM model doc

... perhaps the cause of the decline may have been a contractionary shift of the IS curve The money hypothesis attempts to explain the effects of the historical fall of the money supply of 25% from 1929 ... IS -L M The intersection of the IS curve and the LM curve determines the level of national income When one of these curves shifts, the short-run equilibrium of the economy changes, and national ... that defines 10 Chapter Eleven the downward slope of AD +∆G Y = C (Y-T) + I(r) + G Suppose there is a +∆G This translates into a rightward shift of the IS and AD curves In the short-run, we move...

Ngày tải lên: 20/12/2013, 18:15

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Tài liệu Discover The 4 Key Secrets To Playing The Auction House In World Of Warcraft pdf

Tài liệu Discover The 4 Key Secrets To Playing The Auction House In World Of Warcraft pdf

... buy the best World of Warcraft gold guide on the market today Learn Secrets You MUST Know About Farming Mats In The World Of Warcraft When it comes to professions in the World of Warcraft, most ... your professions up So, what you do? Easy, you use some of your play time to grind or gather up the mats that you need the most for your professions Here are five things that every World of Warcraft ... their items and level up their professions Tailoring, Enchanting, Engineering, Alchemy, Leatherworking, Blacksmithing, Jewelcrafting – it does not matter what profession you choose, you have to...

Ngày tải lên: 24/12/2013, 02:15

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