The modeling tag has no wiki summary.
2
votes
1answer
96 views
Adding base-class (inherited) functionality to classes that you don't control
I have a set of classes from a 3rd party library. These classes use an inheritance structure to share logic. I would like to add a layer of abstraction in the middle of their inheritance tree to add ...
-2
votes
0answers
50 views
Modeling for Machine Learning [closed]
I have a workflow or steps written by a PHD for machine learning.
I am wondering is there a specific modelling, ie ERD diagrams for to illustrate this? This is because a lot of analyst including me ...
-4
votes
0answers
18 views
where to find system dynamics online software [closed]
I'd like to respond to ocelot20's question about system dynamics software. I'd suggest he take a look at Insight Maker, a totally online system for constructing system dynamics models.
-2
votes
0answers
39 views
What are some good system dynamics libraries? [closed]
I am looking to find libraries capable of running system dynamics models. Unfortunately, I'm not too familiar with system dynamics in general, but I've been looking around and have only found system ...
2
votes
0answers
46 views
Modelling a resource that may not be part of the parent resource
I am designing an API and am having a couple of problems with certain parts of the resource modelling.
I have the notion of a SurveyItem which as a collective form a Survey:
Survey Resource ...
0
votes
2answers
94 views
Use Case Diagrams - should I create a diagram just for a view business rule? [closed]
I'm modeling a UCD where I have two actors ( a content producer and a developer).. the content producer is going to create and specify details of a storyboard functionality, and the other actor ...
0
votes
1answer
94 views
How to construct UML activity diagram reflecting real programmed source code as docs
Please, tell me the things I must use for modeling an (Enterprise Architect) activity diagram of
object1.method1() calls object2.method2()
I'm able to dragndrop a method of a class from model ...
2
votes
2answers
191 views
Software Architecture Modelling
I am a little confused at how best to visually model a space-based architecture (SBA) for presenting the system/software architecture design to a client.
The goal of this modelling is to show:
The ...
2
votes
3answers
62 views
UML modelling semantics
In today's lecture about Modelling techniques with respect to MDD using UML the lecturer stated that it's absolutely necessary to give a (possibly) textual description about the semantics of each ...
1
vote
1answer
238 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
votes
0answers
36 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
73 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
votes
2answers
234 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
votes
1answer
134 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
votes
2answers
117 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
votes
2answers
155 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
votes
1answer
243 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
votes
1answer
144 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
votes
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
385 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
136 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
106 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
433 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
570 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
545 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
164 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
312 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
178 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
239 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 ...
1
vote
1answer
110 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
110 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 ...
4
votes
1answer
98 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
148 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
292 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
votes
2answers
303 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
142 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
690 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
615 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
votes
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
120 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
vote
1answer
96 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
votes
1answer
266 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
424 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
181 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
890 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
votes
2answers
340 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
votes
7answers
356 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
vote
5answers
411 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 ...
