Posted: September 12th, 2022

Assignment 3 (Group Assignment): System Integration

School of Computing
Semester 2, 2022
COMP3760/6760: Enterprise Systems Integration
Assignment 3 (Group Assignment): System Integration
(20% of the semester)
Prof Jian Yang
Due 11:55 pm Friday – 21 October 2022
COMP3760/6760 Assignment 3 Semester 2, 2021
Page 2
Process and Service Support for E-health Application
(Source: COMP3760/6760 Assignment 2 Specification).
Background: Electronic Health System
As introduced in Assignment 2, the Department of Health and Ageing established the Electronic Health
Record (EHR). EHR stores records such as: proof of vaccination, pathology reports, diagnostic imaging
reports, hospital discharge summaries, etc, see figure 1. These documents are shared
between health care providers, public and private hospitals, the pharmacy, and medical and non medical specialist providers, with patient’s permission.
Figure 1: Documents with clinic information entered by health providers in My Health Record
As you can see, the current EHR system is basically a portal for a collection of documents without proper
integration and interface to run search, Question Assignment, and analysis. For example, people cannot search for all the reports
in certain period (say 2020) in one go; people cannot analyze the trend of their glucose level in the past 5 years.
Furthermore, the information collected in EHR is far from being completed: many medical practitioners are not
sharing their patients’ information with this EHR.
Suppose a GP sees an elderly patient Joe who complains about discomforts on his chest. She needs to check Joe’s
recent blood test results, previous reports from hospital, cardiologist, dietitian, etc. This information can be found
from GP’s own medical information system, or by sending access request to EHR, or by checking with Joe. Once
gathering all the necessary information from various sources, she can either make a referral letter for Joe to see
a cardiologist or decide there is no need for Joe to see a specialist at this stage.
You as a group, will need to complete the following tasks:
Project Brief (4 marks)
Provide a description on: the group meeting schedule or plan, each member’s role in the project, identifying risks
and ways to manage risks, ways to communicate between members, and a log recording each meeting,
discussion and dialogue between members in relation to the project. Note: all members need to contribute to the
project. The description and log need to be submitted together with the four tasks.
Task 1 Collaborative Business Process and EAI (4 marks)
The objective of this task is
• to use BPMN notation (Week 2 lecture) to draw a collaborative business process for the GP seeing Joe’s
case, in which you need to show partners (users), how they interact, and how information/messages are
exchanged. In this case, the partner systems can be EHR, GP’s own medical system, hospital medical
system, and patient Joe.
• There are various ways to design and implement this collaborative business process. Design and draw an
EAI system that support the GP makes the inquiry to different systems and make a decision in Joe’s case.
• Explain how GP’s inquire is processed in your EAI system. You may make the necessary assumptions.
Task 2 Web Service Design (4 marks)
Suppose you are wrapping the components of EHR (Figure 1) as web services, which allows patients and doctors
to create applications. You are required to:
• Identify the two necessary functions of these services. You can make your assumptions based on your
experience in using EHR;
• For each of the above functions, identify the input/output messages;
• Use WSDL interface definition constructs to specify the above identified functions with input/output
messages.
Task 3 XML Schema Design (4 marks)
For the above input/output messages, write their XML Schemas. You need to include the following:
• Two different ways of specifying complex types, one is defined inside the element, the other defines a
complex type first, then (re-)uses it as a complex type of an element;
• Use constraints on the values of a simple typed element, on the occurrence of elements;
• Pick up one xml schema, construct a sample xml document.
Task 4 Discussion (4 marks, @ 600 words)
“The current EHR system is basically a portal for a collection of documents without proper integration”,
from this description we can image the documents stored there are of different formats with different structures.
For example, the hospital discharge summary is very different from diagnostic image report. The challenges is
how to bring all the information together in a uniformed interface for search and Question Assignment. Use what you have
learned in the unit to discuss the following:
• The possible issues relating to the integration of all the components in EHR (from different
layers/aspects) using examples;
• The possible technologies potentially used to support system integration at various levels/aspects;
• The options and considerations of the technologies along with their advantages and disadvantages
Submission: one submission per group, together with the project description and log.
Zero Tolerance for plagiarism:
You are required to use your own words to provide the descriptions and explanations. All submissions will be
checked for plagiarism. Any cases will be reported to the faculty for disciplinary action, and the marks of the
assignment and the unit will be withheld until the case has been resolved. See Macquarie University’s code of
conduct for the details of the process: https://students.mq.edu.au/study/getting-started/student-conduct.
Submission
Place your soft copy in your assignment 3 submission folder on iLearn.
Due 11:55 pm Friday – 21 October 2020 (Hard deadline)
Marking Rubric
Developing
(Borderline Pass-Fail)
Functional
(Pass)
Proficient
(Credit)
Advanced
(Distinction-High
Distinction)
System
Integration
Showing some
understanding of
system integration
Showing
understanding of
system integration, can
apply technologies in
the business case
Good understanding of
system integration
issues, can explain and
use the technologies
proficiently and
appropriately without
any significant
mistakes
Excellent
understanding of
system integration and
can explain and use
the technologies at an
expert level
XML, web
service
Limited
understanding of
XML, web services,
some obvious
mistakes
Competent
understanding of XML
and web services,
some trivial mistakes
still in evidence, but
generally an
understanding of what
is taking place
and why
Some incorporation of
the literature beyond
just competent
understanding of
XML and web
services
An excellent grasp of
XML and web services,
also drawing on the
literature widely to
exemplify in the case of
further examples how
XML and web services
has aided system
integration as well

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