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| January 31, 2016

UML Assignment 2015-2016

 

As described in the module guide, the assignment counts 20% of the final mark. Your submission will consist of both group and individual elements of work. Groups can consist of up to four (4) students, but no less than three (3). The submitted work must be your own. Plagiarism will be penalised according to the University regulations.

 

Friendbook

 

Your group is responsible for the analysis and design of the “Friendbook” website, an online social network service (e.g. similar to Facebook or Google+). It was agreed that you will use an Object-Oriented approach to the problem. Therefore, you will use UML as the modelling language and the Unified Process as the software development process.

During the inception phase, the vision of the project was defined among your development team and the stakeholders:

 

“Friendbook will be an online social networking, i.e. it will provide an online platform for communicate with their friends. Once someone is registered to Friendbook, he/she will be able to edit his profile, invite other members to become “friends”, upload photos, post messages and so on. Friendbook should provide similar functionality comparing to other sites (e.g. Facebook, Google+, etc).

 

Your team has to go through the elaboration phase and the analysis and design steps of the construction phase and deliver artefacts which correspond to different stages of the Unified Process.

 

Deliverables:

 

Deliverable 1: Use Case Diagram

During the elaboration phase, a use case diagram is required to capture the user requirements for the system. The use cases must be on the goal level.

 

Deliverable 2 – Conceptual Model

Still in the elaboration phase, a conceptual model (class diagram) is required to capture the concepts related to the problem.

 

Deliverable 3 – Activity Diagram

During the construction phase, each member of the group will select one of the use cases to analyse and he/she must draw an activity diagram to visualise the different scenarios of the Use Case.

 

Deliverable Sequence Diagram

Still in the construction phase, each member of the group will design a sequence diagram for the use case that he/she analysed in the previous step.

 

Deliverable 5: Group work: Design/Implementation Model

The next step in the construction phase is the design. Use the conceptual model (Deliverable 2) and the sequence diagrams (Deliverable 4) to produce the design/implementation model (class diagram).

 

Marking allocation

 

Deliverable 1 Use Case Diagram Group Work 15%
Deliverable 2 Conceptual Model Group Work 20%
Deliverable 3 Activity Diagram Individual Work 15%
Deliverable 4 Sequence Diagram Individual Work 30%
Deliverable 5 Design Model Group Work 20%

 

A qualitative marking scheme is given below:

 

Deliverable 1 (15%):

No/Wrong Diagram 0-1
Major errors and deficiencies in notation 2-4
Some errors/deficiencies in notation and major deficiencies in design 5-7
Minor or no errors in notation and some deficiencies in design 8-10
Good design with minor deficiencies 11-13
Very good design (no deficiencies) 14
Exceptional design 15

 

Deliverable 2 (20%):

No/Wrong Diagram 0-1
Major errors and deficiencies in notation 2-5
Some errors/deficiencies in notation and major deficiencies in design 6-9
Minor or no errors in notation and some deficiencies in design 10-13
Good design with minor deficiencies 14-17
Very good design (no deficiencies) 18-19
Exceptional design 20

 

Deliverable 3 (15%):

No/Wrong Diagram 0-1
Major errors and deficiencies in notation 2-4
Some errors/deficiencies in notation and major deficiencies in design 5-7
Minor or no errors in notation and some deficiencies in design 8-10
Good design with minor deficiencies 11-13
Very good design (no deficiencies) 14
Exceptional design 15

 

Deliverable 4 (30%):

No/Wrong Diagram 0-1
Major errors and deficiencies in notation 2-8
Some errors/deficiencies in notation and major deficiencies in design 9-14
Minor or no errors in notation and some deficiencies in design 15-20
Good design with minor deficiencies 21-26
Very good design (no deficiencies) 27-28
Exceptional design 29-30

 

Deliverable 5 (20%):

No/Wrong Diagram 0-1
Diagram is not an incremental version of the conceptual model 2-3
Diagram is based on conceptual model but has not taken into account the sequence diagrams 4-6
Diagram is based on conceptual model, has taken into account the sequence diagrams but has many deficiencies 7-11
Diagram has some deficiencies 12-16
Very good diagram with few deficiencies 17-19
Perfect Diagram 20

 

Work submitted late but within a week of the deadline will be capped at 40% and receive a grade of LP (Late Pass) unless it is not of a passing standard in which case it will receive a grade of LF (Late Fail). Work submitted beyond a week of the deadline without approval will get 0% with a grade of F0.

If, however, you have a serious problem which prevents you from meeting the deadline you may be able to negotiate an extension in advance. In the first instance you should contact the SEC Student Support Team (SST). However any extension will need to be formally agreed by your Module Leader who will liaise with the SST to confirm and agree a new hand in date. Your work will then be marked without penalty.

When a major element of assessment (such as this UML assignment) is not submitted, it will be counted as an attempt and marked as 0% with a grade of F0. The overall module result will be capped at 40% (D-).On the first page of their submission, the names and the k-numbers of the members of the group must be printed. Then, you need to include an index of the deliverables of your group.

Submission from groups of five (5) or more students will be marked as 0% with a grade of F0. Submissions from groups of two (2) or less will be penalised by reducing 20% of the marks of group deliverables (1, 2 and 5), unless the Module Leader formally approves such a submission PRIOR to the deadline.

 

Submission instructions:

Each group must submit an electronic copy of their submission in word format to Studyspace by 23:59, Friday 18th April 2016. ALL work received after this time will be considered LATE. On the first page of their submission, the names and the k-numbers of the members of the group must be displayed. Then, you need to include an index of the deliverables of your group.

Diagrams must be produced using a UML computer tool, like StarUML. If a diagram cannot fit on an A4-page, split it appropriately to more than one pages, according to the UML notation. Diagrams must be clear and easy to read.

Each deliverable must be labelled on the top. If it is the result of individual work, the name and the k-number of the student must appear too for each deliverable.

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