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You want something like the attached model for your core.
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From the way that you are phrasing your questions, I infer that you are using the object-oriented paradigm to create "data stores" by just inventing a new object(class) when you see a need to store some more data.
Whilst I know that this approach is very popular and widely used, I think that it is a poor and ineffective way to create ...
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thank you, norma seems to be very interesting for the last piece of this project, i will take deepen;
i have still some doubts about the conceptual model: i want to count the number of peoples that come to see the screening, and i have more than a cinema, and in a day i have more projection with different time, so is it legit to add a class ...
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Hi Menghins,
You can think of a conceptual model as a set of facts with associated constraints.
So what you need to do is to state the facts.
For example:
Cinema 1 is showing the movie "Top Gun" on 15 October.
Cinema 2 is showing the movie "The Battle of Britain" on 15 October.
Cinema 3 is showing the movie ""Roman ...
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hi superguys,
im building a website that supports a multiplex cinema, and allows users to book tickets for the screenings;
so an user can do a prenotation, and i have set a class/object 'prenotation';
i need to track the prenotation, that mean also the movie, the cinema, the date etc.. and if another user want to book, he cant ...
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Clifford,
I don't have a problem with connotations in natural English language.
It seems to me that connotations are essential to ordinary day-to-day communication.
However, when it comes to a universe of discourse that is contained within a fact based model, then you either find a way to assert connotations as fact instances or you ...
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Point taken Ken - really both kinds of references to a Location are formal though - it's just that one invokes many more connotations (the extended attributes around a Location as Entity Type) and one only invokes the existence of a place having that name. It's the fact that English doesn't have different kinds of expressions for these ...
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Clifford,
It seems to me that the "problem" that you perceive is caused by the way you are using language.
Specifically, I think that you are mixing formal language with informal language and expecting to make some kind of sense. Can't be done!
According to semiotic principles, words are just symbols that do not have any ...
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[quote user="Andy Carver"]but maybe those are not what's bothering you...?[/quote]
The readings and verbalisations come out ok, except that in a whole-model verbalisation I have "location" as predicate text and "Location" as an object type name. I also have the text "Location is called Location ...
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You are correct, it took place at a location, not at a name. But I'm not clear on why, or in what respect, you find it awkward to have the fact type "Event took place at location called Location Name"
For myself, I would probably call it "Event took place at location that has Location ...