News

Grades finalized

Written on 12.04.23 by Swen Jacobs

Dear students,

your grades are now finalized and should be visible here in the CMS. They will also soon be available in the LSF. If you have any questions, please let me know.

We wish you good luck in the new semester!

General Feedback on Reports

Written on 23.02.23 by Swen Jacobs

We have now received most of the report drafts. Those who have sent their draft will soon receive their personal feedback.

In addition, here are some general guidelines that all of you can use to improve your reports:

  • scientific writing needs a lot of revision: it is fine to start with a very… Read more

We have now received most of the report drafts. Those who have sent their draft will soon receive their personal feedback.

In addition, here are some general guidelines that all of you can use to improve your reports:

  • scientific writing needs a lot of revision: it is fine to start with a very rough draft, as long as you go over it again and again, improving it in every iteration.
    Please go over your report again, in the best case after letting it "rest" for a few days, and try to read it as if you were not the author, but a reader of your report - are there parts that are unclear? that could be misunderstood? that could be improved by adding something? could complex sentences be replaced with short and understandable ones? is it better to remove some part because it cannot be explained properly in the limited space?
  • structure: in addition to sections and subsections, your text is organized in paragraphs. Every paragraph should handle exactly one idea. The usual structure within a paragraph is that the first sentence introduces the idea, makes a claim, or raises a question, and the following sentences elaborate on this basic idea/claim/question. The first and the last sentence of a paragraph have the highest impact on the reader, so they should cover the most important information. The last sentence can for example be used to conclude/summarize the topic, or to lead over to the next topic, connecting this paragraph to the next.
    The latter is more regularly done in the first sentence of the next paragraph, often by starting it with a fixed phrase such as "However,...", "Additionally,..." or "In contrast,...". Paragraphs are also connected by re-using key words or phrases again, e.g., one paragraph introduces the verification technique "X", and the next paragraph begins with "However, X also has significant limitations."

 

No meeting tomorrow

Written on 29.01.23 by Swen Jacobs

Dear students,

due to health issues I will not be able to attend the meeting tomorrow. Since in the following week we had only a single presentation planned, let's just move the presentation of tomorrows paper into the next meeting, and have the presentations of both P5 and P7 on Feb 6.

See you then!

LSF Registration

Written on 05.01.23 by Swen Jacobs

Dear students,

there has been some confusion about your registration in LSF (which is necessary for you to get an official grade for the seminar), partly due to my own oversight.

I have arranged that registration for the seminar is again possible until January 13Read more

Dear students,

there has been some confusion about your registration in LSF (which is necessary for you to get an official grade for the seminar), partly due to my own oversight.

I have arranged that registration for the seminar is again possible until January 13 (https://www.lsf.uni-saarland.de/). If you have not registered yet, please do so until then.

Presentation/Meeting Schedule

Written on 02.01.23 by Swen Jacobs

Dear Students,

a Happy New Year to all of you!

As a consequence of the change in papers to be presented (see last news item), there have been a few other changes to the schedule.

Therefore, we will not meet next week, and have two papers in the session on Jan 23 (and also in the last session,… Read more

Dear Students,

a Happy New Year to all of you!

As a consequence of the change in papers to be presented (see last news item), there have been a few other changes to the schedule.

Therefore, we will not meet next week, and have two papers in the session on Jan 23 (and also in the last session, on Feb 13). I.e., the tentative overall schedule is:

Jan 16: P1
Jan 23: P3+P4
Jan 30: P5
Feb 6: P7
Feb 13: P8+P10

Please let me know if there is any problem with this new schedule.

Materials for Final Presentations and Reports

Written on 21.12.22 by Swen Jacobs

Dear students,

the Materials section now contains additional files for the preparation of your final presentations and report. Please read them carefully and prepare your submissions accordingly.

For both the presentation and the report, we offer that you submit a first version ~2 weeks before… Read more

Dear students,

the Materials section now contains additional files for the preparation of your final presentations and report. Please read them carefully and prepare your submissions accordingly.

For both the presentation and the report, we offer that you submit a first version ~2 weeks before your presentation or the report deadline (March 3), so we can have a look and give you feedback for improving it.

Regarding the papers to be presented, we have a small change. The papers to be presented are now:
1, 3, 4, 5, 7, 8, 10
Please note that your position may have changed, e.g. paper 3 will now be presented in the second slot, on January 16.

We wish you Happy Holidays and a great start into the New Year 2023! See you in January!

Next meeting

Written on 05.12.22 by Swen Jacobs

Dear students,

apparently there was some confusion about the date of our next meeting. It is scheduled for next week, December 12.

I had this on the slides last time, but only now noticed that I forgot to upload the slides. You can find them under Materials now.

Assignment of Presentation Papers

Written on 28.11.22 by Swen Jacobs

Dear Students,

your assigned papers for full presentations should now be visible to you (in the form of assigned Tutorial slots).

The following papers have been assigned: 1, 2, 3, 4, 5, 7, 8

As mentioned before, we will start with full paper presentations on January 9. More details, including… Read more

Dear Students,

your assigned papers for full presentations should now be visible to you (in the form of assigned Tutorial slots).

The following papers have been assigned: 1, 2, 3, 4, 5, 7, 8

As mentioned before, we will start with full paper presentations on January 9. More details, including on how to prepare your presentations and your written reports, will be shared before or at our second reading group meeting.

Bidding for Presentation Papers

Written on 21.11.22 by Swen Jacobs

Dear students,

you can now start bidding for presentation papers. To this end, first check the papers under Information->Materials.

To distribute the papers, we use the "Tutorial Preferences", where "Slot n" stands for Presentation Paper n (and you can completely ignore the time slot given… Read more

Dear students,

you can now start bidding for presentation papers. To this end, first check the papers under Information->Materials.

To distribute the papers, we use the "Tutorial Preferences", where "Slot n" stands for Presentation Paper n (and you can completely ignore the time slot given there, this is only because we are abusing the tutorial slots, where different tutorials need to have different times). Please enter your preferences until this Sunday, Nov 27 - then you will receive an email with your assigned paper the following day.

As decided in our meeting today, presentations of these papers will start on January 9, 2023, and we will have at least two meetings where two papers are presented on one day, and therefore we will have to go into overtime until ca. 16:30.

Poll results for regular meeting time

Written on 08.11.22 by Swen Jacobs

Dear students,

the poll results are in, and sadly we did not find a time that suits everyone. The choice that works best will be our new regular meeting time:

Mondays 14:15 - 16:00

The next meeting, where we discuss the first two reading group papers, will be on Monday, November 21.

See you then!

Poll for regular time slot, slides of first meeting

Written on 04.11.22 by Swen Jacobs

Dear students,

the slides of the first meeting are now available (under Information->Materials).

Here is the poll for finding our regular meeting slot during the semester: https://terminplaner4.dfn.de/kATsEC3IYdWjG6KI

Please read the description of the poll, and fill in your availability… Read more

Dear students,

the slides of the first meeting are now available (under Information->Materials).

Here is the poll for finding our regular meeting slot during the semester: https://terminplaner4.dfn.de/kATsEC3IYdWjG6KI

Please read the description of the poll, and fill in your availability until next Monday, Nov 8.

See you soon!

Show all

Seminar Topic

Most of our information-processing systems nowadays are distributed - be it large-scale data centers that replicate data in different physical locations, sensor networks that collect data from different places, or simply multi-threaded programs that run on different cores of your CPU. Due to their composition from multiple interacting components, ensuring correctness of these systems is a major challenge. In many application areas, faulty behavior or even short outages of these systems can have severe consequences. Therefore, both industrial and academic research has in recent years developed a range of new methods to formally guarantee certain properties of a given distributed system.

In this seminar, students will learn to present, discuss, and summarize research papers that aim at formalizing and verifying distributed systems. The seminar is split into two parts. The first part will take the form of reading sessions, where we lay the foundations of the topic. For the second part, each student is assigned a recent paper from the research area. Students will present their paper and will write a seminar paper on the topic assigned to them, taking into account connections to the topics discussed in the seminar.

Important Dates

First Meeting: Thursday, Nov 3, 16:15. (online; Zoom link in Information->Materials)

During our first meeting, I will present a short overview of the content and format of the seminar.

Requirements

Reading Group: In the reading group sessions, we discuss background papers that lay the foundations, or give an overview of the recent work on the formalization of distributed systems, and formal methods to verify them. Each paper will be presented informally by selected students, followed by a joint discussion. The list of papers for the reading group will be announced soon.

Talks: At the first reading group session, each participant will be assigned a topic. Each topic will be presented by the respective student, followed by joint discussion. For the discussions, it is important that every participant has read the paper(s) that are presented. The list of presentation topics will be announced soon.

Summary: At the end of the seminar you will submit a summary of the seminar topics, including a comparison of your topic to the ones presented by other students.

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