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Chunmei Liu

Chunmei Liu is a Professor in the Department of Electrical Engineering and Computer Science at Howard University, Washington, DC.

Dr. Liu has been working at Howard University since 2006. Her research interests include algorithms, computational biology, bioinformatics, and data mining. She has been teach undergraduate and graduate courses such as theory of computation, advanced algorithms, computational biology, and computability and complexity.

Part A

The Sugar Labs Project Anatomy


Depending on the students' background, the students can be a content writer, people person, developer, designer, and translator.


The general process for submitting a bug: "If you find a bug or would like to report an issue with Sugar, visit and look for the activity or a sugar component repository hat you think is relevant. If you don't know which one to use, use, and be sure to sign up and sign in to Github. Then visit the issues tab of the repo, and hit the big green button to report your issue."

There are two types of tickets: defect and enhancement.

The information available for each ticket include the ticket number, summary, status, owner, type, priority, and milestone.


The last commit is at 13:50 on August 22, 2016. It seems to be a both web-based and local repository.


   Monday August 22 2016

   Repository  13:50    gabrielleanderson cloned turtleart/mainline
   New repository is in gabrielleandersons-mainline

Release cycle

This is an entry: "Sugar platform release version cycle: | 0.82 | 0.84 | 0.86 | 0.88 | 0.90 | 0.92 | 0.94 | 0.96 | 0.98 | 0.100 | 0.102 | 0.104 | 0.106 | 0.108 | 0.110 | "

The roadmap is updated at the beginning of each release cycle by the release team.

The Sahana Eden Project Anatomy


Depending on the students' background, they can be developers, testers, sys. admin, documenters, designers or translators.


The tracker page is very similar to the Sugar Labs project, but it can list all active tickets by priority, and color each row based on priority.

There are four types of tickets: defect/bug, enhancement, documentation, and task.

The information available for each ticket include the ticket number, summary, component, version, priority, type, owner, status, and created date.


Sahana Eden can be installed on several different operating systems. It seems to be a local repository.

Release cycle

I did not find a release cycle. There is a roadmap that shows three milestones.

An example entry: ” Milestone: 0.9.0 "Medway"

5 years late (12/01/11 18:00:00) 92%

Number of tickets: closed: 98 active: 9 Total: 107 “

Part B

Part 1 - SourceForge

2. I used gaming to search in the center of the screen;

3. There are 839 programs under this category.

4. Fifteen different programming languages are used to write software in this category.

5. The top four programming languages used to write programs in this category: C++, Java, PHP, C;

6. Identify the meaning of each of the statuses below:


7. Compare two projects in this category that have two different statuses. Describe the differences between the statuses.

8. Which projects are the most used? How do you know?

9. Pick a project in your category. Answer the questions below:

1) What does it do? 

The Neverhood is a 1996 point-and-click adventure game that is entirely composed of claymation. This does a few things. The project was discontinued in 2013 and has not been updated in years.

2) What programming language is the project written in?

Unix Shell, C++, VBScript, Java

3) Who is likely to use the project? How do you know this?
4) When was the most recent change made to the project?

Last Update: 2015-04-24

5) How active is the project? How can you tell?

It was discontinued in 2013.

6) How many committers does the project have?
7) Would you use the project? Why or why not?

No, it was discontinued.

Part 2 - OpenHub

3. For the OpenMRS Core project, identify when the data in OpenHub was last analyzed and the last commit date. How much difference is there?

It was analyzed about 2 months ago; The last commit date is 3 months ago.

4. What is the main programming language used in OpenMRS Core?


5. How many lines of code does OpenMRS Core have?


7. Click on "User & Contributor Locations" (lower right side of screen). List some of the locations of the developers.

Cannot be loaded.

8. Go back to the main OpenMRS page. Click on the "Languages" link. How many languages is OpenMRS written in?

15 different languages.

9. What language has the second highest number of lines of code?


10. Of the programming languages used in OpenMRS , which language the has the highest comment ratio?


12. What is the average number of contributors in the last 12 months?

About 10.

13. Scroll down to the Top Contributors section. How long have the top three contributors been involved in the project?

6 months, 3 years, and 5 years.

14. Use the information on the project summary page to compute the 12-month average of commits. What is the average number of commits over the past 12 months?. 443.

Part C:

Bug-Tracker Activity

2. Define what each of the column names below indicate. Include the range of possible values for 2-7 below. Feel free to explore beyond the page to find more information.

1). ID: a unique ID for each bug

2). Sev: the severity of the bug: normal, minor, major, critical, enhancement, blocker, trivial

3). Pri: priority; low, normal, high, urgent

4). OS: operating system: all, Linux, open, Windows, Solaris, Mac, other

5). Product: the product that the bug affects; lots of possible values

6). Status: the current status of the bug: unconfirmed, new, assigned, reopened, need info

7). Resolution: it is blank under this column.

8). Summary: a short description of the bug

3. Describe how you discovered the definitions and how did you find the information from above (hint: the advanced search shows the options or the Reports link has a link)?

I clicked the Report link after the search bar and see the explanation of various terms and fields.

4. Identify the order in which the bugs are initially displayed?

It seems they are sorted by product names.

5. What is the meaning of the shading of some bug reports?

I am not sure. Maybe the bug is not current?

6. What is the meaning of the colors used when describing a bug (red, gray, black)?

The severity of the bugs.

7. Select a bug that you think that you might be able to fix and look at it more closely (click on the bug number). -- I chose 445955

1). Identify when the bug was submitted. -- 2007-06-10

2). Identify if there has been recent discussion about the bug? -- not since 2009-07-06

3). Is the bug current? -- yes

4). Is the bug assigned? To whom? -- to aisleriot-maint

5). Describe what you would need to do to fix the bug.

Implement 'dealable?' feature for all games?

8. Repeat the previous step with a different kind of bug. -- I chose 603913

1). submitted 2009-12-06 18:31 UTC by barcc

2). no recent discussion since 2011-04-25

3). current

4). assigned to aisleriot-maint

5). Aisleriot should not use hardcoded mouse cursors?

Part 2 - Collective Reports

How many bug reports were opened in the last week? How many were closed?

347 reports opened and 276 reports closed. Including enhancement requests

What was the general trend last week? Were more bugs opened than closed or vice versa?

More reported than closed.

Who were the top three bug closers? Why is this important to know?

Tim-Philipp Müller, Alexandre Franke, Sebastian Dröge (slomo)

Who were the top three bug reporters? Are these the same as the top three bug closes? What is the overlap in these two lists?

Piotr Drąg, Philip Chimento, Bob D.

Who are the top three contributors of patches?

Philip Chimento, Piotr Drąg, Georges Basile Stavracas Neto

Who are the top three reviewers of patches? What is the overlap between these lists and the bug closers and bug reporters? What is the overlap between patch contributors and patch reviewers?

Sebastian Dröge (slomo), Cosimo Cecchi, Tim-Philipp Müller. Sebastian Dröge (slomo) is both a bug closer and a bug reviewer.

What class were the majority of the bugs for braille? - Normal

What other reports can you generate?

Source Code Management/Control Activity

FOSS in Courses Planning 2

The following are useful resources for the course planning.

   14 Ways to Contribute to Open Source without Being a Programming Genius or a Rock Star (
   How to Contribute to Open Source Without Coding (
   50 Ways to be a FOSSER (

Activities for the contribution to a FOSS project includes writing code, modifying code, reporting bugs, documenting code, creating blogs and writing posts, creating wiki pages, reviewing code, using and reviewing software.

OpenMRS maybe used for the database systems and software engineering courses. The activities may include: researching projects, creating blog or wiki and updating them, communicating via wiki, reporting activities/progress report on wiki, reporting bugs, reviewing bugs, etc.

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