The modeling tag has no wiki summary.
0
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1answer
69 views
How to model/structure data that contains parent/child relationships for the same entity?
I think it is just my thinking that is off here. Suppose I have two entities: question and choice. A question can be a parent or child, or both (in relation to other questions). It seems that this ...
0
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0answers
25 views
Pattern for XPDL import
I am using xml serialization for importing/exporting data from/to xpdl format.
And I need a little advice - to what pattern to use. Right now I have 1 huge class for controlling the whole process (it ...
1
vote
4answers
70 views
Separation of Concerns While Creating a Generic Concept of a “Cart Item”
Pretty simple setup: I've got a Cart and the cart has Items. I've got many varying types of "products" that can't really be boiled down into one thing or even a common ancestor, so I've instead ...
2
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2answers
166 views
Is there a better way to model a many-to-many relationship on the same table with Entity Framework?
The context
We're building a web application using Entity Framework 5.0. One of the requirements is that it should be possible for the administrators to link related products so that when someone ...
5
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1answer
121 views
Text Editor Document Model
I am working on a text editor in javascript. I have created the front end and i need to prototype a backend. I need to model the structure of the document using this as hierarchy:
Character
, Word
...
3
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2answers
106 views
Does this situation call for well specified associations, single table inheritance, or polymorphic association?
I'm building a web-app where users can keep track of who owes whom money.
I have users and debts.
Given a user I want to be able to find out all the debts to other users, and all the loans to other ...
0
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2answers
127 views
Help to simplify/model complex decision making (if, then, else scenarios)
I find my self in a situation, where I need to program a service, that can determine if two object in a huge database are the same. For simplicity, let's say it's used cars, and I want to determine if ...
5
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1answer
212 views
Can I use Visual Studio 2010 Architectural features to enforce design on code, without feature packs?
I am studying Visual Studio 2010's architectural tools for application lifecycle management.
After we have sketched some modeling diagrams, we wonder now how should be the natural workflow to convert ...
0
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1answer
130 views
Is there a way communicate or measure levels of abstraction?
I'll be the first to say that this question is a bit... out there. But here are a couple questions I bear in mind :
Is abstraction continuous or discrete?
Is there a single unit of abstraction?
...
0
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2answers
60 views
Advice on reconciling discordant data
Let me support my question with a quick scenario.
We're writing an app for family meal planning. We'll produce daily plans with a target calorie goal and meals to achieve it for our nuclear family. ...
1
vote
5answers
357 views
Is it Considered Good SQL practice to use GUID to link multiple tables to same Id field?
I want to link several tables to a many-to-many(m2m) table.
One table would be called location and this table would always be on one side of the m2m table.
But I will have a list of several tables ...
2
votes
2answers
127 views
how to model this relationship ? in ERD
I have three entities :
Technician
Vehicle
Repair
The question is how to model this in ERD? Knowing that a technician can repair multiple cars, and the same car can be repaired by one and only one ...
1
vote
2answers
91 views
How show Attributes which appear In Many To Many association
As we know a many to many association are shown by two asterisks in both end of association. Now I have a association between two entities "Good" and "Invoice" so Good and Invoice have a many to many ...
5
votes
6answers
419 views
Should a domain expert make class diagrams?
The domain expert in our team uses UML class diagrams to model the domain model.
As a result, the class diagrams are more of technical models rather than domain models (it serves of some sort of ...
1
vote
1answer
521 views
Is my sequence diagram correct?
NOTE: I am self studying UML so I have nobody to verify my diagrams and hence I am posting here, so please bear with me. This is the problem I got from some PDF available on Google that simply had the ...
1
vote
1answer
473 views
Is my use case diagram correct?
NOTE: I am self studying UML so I have nobody to verify my diagrams and hence I am posting here, so please bear with me. This is the problem I got from some PDF available on Google that simply had the ...
1
vote
1answer
144 views
Showing user and userinterface interaction on a sequence diagram
I need to draw a sequence diagram and I am not sure exactly if it is correct to show interaction between user and user interface in this diagram. For example I want to make a panel visible or ...
2
votes
1answer
298 views
Is my DFD accurate?
This is my first ever DFD that I made after my fair share of learning but I have no way of verifying whether it is correct or not. Although I have taken utmost care to make sure it is right, I may be ...
6
votes
1answer
168 views
Tools for modelling data and workflows using structured text files
Consider a case when I want to try some idea of an application. But I want to avoid investing a lot of effort in coding UI/work flows/database schema etc before I see that it's going to be useful to ...
1
vote
2answers
193 views
What are some good programming frameworks for Business Process Modeling / Workflow modeling?
I'm looking for a framework that models business workflows, it doesn't matter what language, just so it is "enterprise ready".
A single business workflow might look something like this:
- from ...
0
votes
1answer
99 views
UML Receptions and AcceptEventActions
What shall be the relationship between the receptions of a class (was classifier before Aadaam correction) and the AcceptEventActions in the activity describing the behavior of its instances?
I ...
1
vote
1answer
94 views
UML Actions with object and control flows
Consider a UML Action contained in a UML Activity defining the behavior of a classifier. Such Action has three input pins connected to other output pins of different action by means of object flow ...
3
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0answers
62 views
What are the main differences between FUML and the Executable UML profile?
I'd like to know what are the main difference between the Foundational Subset for Executable UML models and the Executable UML profile (which followed the Schlaer-Mellor methodology).
Thank you
0
votes
1answer
141 views
Is ATL a deprecated language?
I currently developing some M2M-transformations with the Atlas Transformation Language (ATL).
During studying the language constructs and properties I have often read, that ATL is a prototype for ...
5
votes
5answers
288 views
How to model the components of a non Information System?
I am working on a kernel-related project (specifically related to the TCP/IP stack of the kernel).
I need to build some models to describe the functionality and components of my system.
Initially I ...
0
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2answers
274 views
What's a good type of chart for modeling input/output from endpoints?
I need to communicate the concept that there are 3 endpoints each of which take a certain input and produce a certain output.
I don't need to represent any issues of timing or any state.
Obviously I ...
3
votes
1answer
138 views
Data/Object Design Problem
Goal:
I'm trying to figure out the best way to model/design and then implement a "user" feature in a system.
Background:
I am designing an on-line access request system, so our company can use a ...
4
votes
1answer
569 views
How can I express recursive composition in UML class diagrams?
I have one class called "Institution" which represents a public institution (with properties like id_inst, name_inst, tel_inst, fax_inst...). The institution can have affiliated institutions, for ...
6
votes
8answers
599 views
Should software developers be skilled at software design?
There is an analysis and design phase of the software development life cycle. Should software developers be skilled enough for carrying out the work performed during this phase, such as drawing ...
22
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19answers
3k views
How important are UML diagrams for a successful project?
I'm in the middle of a project and I was asked to write UML diagrams (use cases,class diagram,etc). The project isn't very complex.
I was wondering if this be a waste of my time? Should I just be ...
1
vote
4answers
119 views
Possible applications of algorithm devised for differentiating between structured vs random text
I have written a program that can rapidly (within 5 sec on a 2GB RAM desktop, 2.33 Ghz CPU) differentiate between structured text (e.g English text) and random alphanumeric strings. It can also ...
1
vote
1answer
48 views
Can thesaurus items have more than one USE relation?
I want to model a Thesaurus using the ANSI/NISO standard relation description like "broader term", "narrow term", etc. (see this Wikipedia article for details). Is it valid for a Thesaurus item in ...
1
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1answer
90 views
What are ways of drafting a workflow document that maps elements in the design close to their counterparts in code?
We're starting a medium sized PHP web app, written in MVC fashion, using CodeIgniter. Most of the functional specifications have been written, and there are a few features that will definitely be ...
6
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1answer
253 views
Is there a way you'd implement a fast tree traversal method that would support dated versioning?
I've got a catalog at work and I want to juke it up a bit because I'm tired of it being extremely slow. I'd like to support the modified preorder tree traversal storage method for the category tree of ...
6
votes
1answer
384 views
How do you perform modeling in an Extreme Programming environment?
I know methodologies, like Extreme Programming (XP), which specifies its own specific practices for developing software. However, unlike Scrum where it focuses more on management aspects, XP specifies ...
4
votes
1answer
180 views
How do you handle time series .Net?
I have been looking for Time Series models over in SO, but I figured this place was the best site to actually ask the question.
I am wondering what is the "best" way to handle Time Series in .Net.
...
2
votes
4answers
816 views
Web pages in UML sequence diagrams?
In my current project, we have an ongoing discussion about whether or not it's a good idea to include an artifact representing a web page in an UML sequence diagram for a web application, making ...
6
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2answers
331 views
What's the real benefit of meta-modeling?
After reading several texts about meta-modeling I still do not really get the practical benefit. Sometimes I think it is only an interesting mind game but no useful tool. Sure it is wise to clarify ...
5
votes
3answers
152 views
Maintaining a list of nodes with challenging requirements
This is a question regarding the design of a collection of ordered nodes which have some requirements that I am struggling to satisfy.
In the problem area that I am dealing with we have routes which ...
8
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7answers
355 views
Is there a canonical book on general abstractions and modeling?
I've been trying to understand the fundamentals of general abstractions and modeling: there are quite a lot of books when you search for abstractions, but most of those seem to be about learning ...
1
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5answers
368 views
Diagramming large and complex application code
I tried creating a flow chart of a function that I use in my program, but there are a lot of conditional statements in between every process and the diagrams are getting more confusing.
Is there a ...
17
votes
6answers
299 views
Should the internal naming (classes, methods, database tables, etc) of entities be changed if the marketing and UI naming changes?
We've had a long living product for about 8 years now. Over time, the names of concepts and entities change. Should we put the work in to rename all the code base and database tables and columns to ...
5
votes
7answers
496 views
As a novice, how can I best overcome the complexity of larger projects?
Currently, I'm a student and I can tackle all my assignments which only require, at most, 3-5 classes to implement. Now, I'm wanting to develop programs on a bigger scale but I am having a really ...
1
vote
2answers
107 views
Are there any rules and patterns used in software modeling? [closed]
Which are the most important and/or used rules and patterns in software modeling and how are they affected by the use of certain programming language, tools, platform, technology...etc?
0
votes
1answer
176 views
Is there a canonical modeling language and a related tool for Aerospace Software Developement?
I'm looking for a suitable modeling language and a related tool for modeling aerospace sotfwares.
These softwares are hard real-time and security-critical.
UML profiles (such as UML MARTE, Realtime ...
3
votes
2answers
139 views
What are some good tests for OO modeling skills?
I'm looking for simple models with concise, concrete problem descriptions and greater than 50% chance that a particular answer provides a particular insight into one of a number of skills, to be given ...
4
votes
6answers
1k views
Software design for procedural programming
Right now, I'm trying to learn a well documented software engineering. I knew that if we code using Object Oriented concept, we can do software design concept using UML. But what if we code using ...
3
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2answers
109 views
Best Way to Express Meta-Info on Missing Data?
I work in healthcare IT, reviewing data management processes of various observational studies. One problem I have repeatedly faced is the poorly encoded data, especially when some values are missing.
...
8
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2answers
717 views
What is this domain of study?
Suppose I have a situation where I'm designing a website for a shoe reseller. They have different brands and kinds of shoes and of course, they want a really good search function.
So there are ...
1
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1answer
200 views
Model-view-presenters and user-interactions involving separate dialogs
I have a UI form written using model-view-presenter that has, among other things, a listbox containing a number of different domain objects. The form also contains an add/update button which pulls up ...
