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2 The purpose of this seminar is to independently and scientifically work on a topic on synchronous languages and related areas. The goal is to summarize the topic in an oral presentation and a written elaboration in form of a paper. Another purpose of this seminar is to practice working in structured and time-driven workflows (e.g. for conferences or workshops). Moreover, both of these aspects are a good preparation for working on your thesis. We have many theses regarding these topics available; contact us if you are interested in that.
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5 This seminar is a bachelor and master module at the same time. Compared to the bachelor seminar, we expect that master students include more related work and therefore write a longer paper and hold a longer presentation (see below).
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7 (% style="text-align: left;" %)
8 == Prerequisites ==
9
10 For the participation of this seminar the attendance of the "Embedded Real-Time Systems" lecture is not specifically required. However, specific lecture topics required for the paper should be reworked.
11
12 Moreover, we recommend the attendance of the lecture "**Scientific Working for Seminars and Thesis**" (Wissenschaftliches Arbeiten für Seminar und Abschlussarbeiten) held by Prof. Peters.
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14 Finally, there is the infamous "Vortragsvortrag" by Christoph Daniel Schulze. Sadly, he is not at RTSYS anymore to give that talk in person. However, he kindly started to prepare this [[sequence of videos>>url:https://www.youtube.com/playlist?list=PLjRqbgPHrKwC3uUQBRzKtnRH1vrNY9ehK]] that should get the gist across as well.
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16 (% style="text-align: left;" %)
17 == Lecturers ==
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19 (% class="bodytext" style="text-align: left;" %)
20 Reinhard von Hanxleden ([[rvh@informatik.uni-kiel.de>>mailto:rvh@informatik.uni-kiel.de||shape="rect"]])
21 Niklas Rentz ([[nre@informatik.uni-kiel.de>>mailto:nre@informatik.uni-kiel.de]])
22 Malte Clement ([[mac@informatik.uni-kiel.de>>mailto:mac@informatik.uni-kiel.de||shape="rect"]])
23 Alexander Schulz-Rosengarten ([[als@informatik.uni-kiel.de>>mailto:als@informatik.uni-kiel.de||shape="rect"]])
24
25 (% style="text-align: left;" %)
26 = Topics =
27
28 (% class="bodytext" style="text-align: left;" %)
29 You may choose from one of the following papers. The scope, complexity and required knowledge for these papers roughly divides them into topics for bachelor students and for master students. However, bachelor students that take great interest in a master students topic may also choose from those.  
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31 (% class="bodytext" style="text-align: left;" %)
32 The papers are assigned via //first-come-first-serve//. Already taken papers are marked. Please send an email to Niklas ([[nre@informatik.uni-kiel.de>>mailto:nre@informatik.uni-kiel.de]]) in order to reserve a paper.
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35 Many of the links do only work in the university network. Through the usage of a [[VPN>>url:https://www.rz.uni-kiel.de/de/angebote/vpn||shape="rect"]] or a remote session to the [[terminal server>>url:https://www.inf.uni-kiel.de/de/service/technik-service/dienste||shape="rect"]], those are also accessible from home. If any problems occur feel free to contact us.
36
37 === Bachelor Recommendations ===
38
39 (% style="margin-left: 30.0px;" %)
40 ==== **Embedded and Real-Time** ====
41
42 (% style="margin-left: 30.0px;" %)
43 (% style="color:#333333" %)S. A. Edwards and J. Hui, [[The Sparse Synchronous Model>>url:https://ieeexplore.ieee.org/document/9232938||shape="rect"]], //2020 Forum for Specification and Design Languages (FDL)//, 2020, pp. 1-8, doi: 10.1109/FDL50818.2020.9232938.
44
45 (% style="margin-left: 30.0px;" %)
46 (% style="color:#333333" %)J. Deantoni, J. Cambeiro, S. Bateni, S. Lin and M. Lohstroh, [[Debugging and Verification Tools for Lingua Franca in Gemoc Studio>>url:https://ieeexplore.ieee.org/document/9568383||shape="rect"]], //2021 Forum on specification & Design Languages (FDL)//, 2021, pp. 01-08, doi: 10.1109/FDL53530.2021.9568383.
47
48 (% style="margin-left: 30.0px;" %)
49 (% style="color:#003366" %)Juha-Pekka Tolvanen and Steven Kelly. 2018. [[Effort Used to Create Domain-Specific Modeling Languages>>url:https://dl.acm.org/citation.cfm?doid=3239372.3239410||shape="rect"]]. In //Proceedings of the 21th ACM/IEEE International Conference on Model Driven Engineering Languages and Systems// (MODELS '18). ACM, New York, NY, USA, 235-244.
50
51 (% style="margin-left: 30.0px;" %)
52 (% style="color:#333333" %)M. Lohstroh, C. Menard, A. Schulz-Rosengarten, M. Weber, J. Castrillon and E. A. Lee, [[A Language for Deterministic Coordination Across Multiple Timelines>>url:https://ieeexplore.ieee.org/document/9232939||shape="rect"]], //2020 Forum for Specification and Design Languages (FDL)//, 2020
53
54 (% style="margin-left: 30.0px;" %)
55 **[assigned]** (% style="color:#333333" %)L. Grimm, S. Smyth, A. Schulz-Rosengarten, R. von Hanxleden and M. Pouzet, [[From Lustre to Graphical Models and SCCharts>>url:https://ieeexplore.ieee.org/document/9232944||shape="rect"]], //2020 Forum for Specification and Design Languages (FDL)//, 2020, pp. 1-8, doi: 10.1109/FDL50818.2020.9232944.
56
57 (% style="margin-left: 30.0px;" %)
58 M. C. Werner and K. Schneider, "[[From IEC 61131-3 Function Block Diagrams to Sequentially Constructive Statecharts>>https://ieeexplore.ieee.org/document/9925656]]," //2022 Forum on Specification & Design Languages (FDL)//, Linz, Austria, 2022, pp. 1-8, doi: 10.1109/FDL56239.2022.9925656.
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60 (% style="margin-left: 30.0px;" %)
61 Fabien Siron, Dumitru Potop-Butucaru, Robert De Simone, Damien Chabrol, and Amira Methni. 2023.[[ Semantics foundations of PsyC based on synchronous Logical Execution Time>>https://dl.acm.org/doi/10.1145/3576914.3587495]]. In Proceedings of Cyber-Physical Systems and Internet of Things Week 2023 (CPS-IoT Week '23). Association for Computing Machinery, New York, NY, USA, 319–324. [[https:~~/~~/doi.org/10.1145/3576914.3587495>>https://doi.org/10.1145/3576914.3587495]]
62
63 (% style="margin-left: 30.0px;" %)
64 **[assigned] **Alexander Schulz-Rosengarten, Reinhard von Hanxleden, Marten Lohstroh, Edward A. Lee, and Soroush Bateni. 2023. [[Polyglot Modal Models through Lingua Franca>>https://dl.acm.org/doi/abs/10.1145/3576914.3587498]]. In Proceedings of Cyber-Physical Systems and Internet of Things Week 2023 (CPS-IoT Week '23). Association for Computing Machinery, New York, NY, USA, 337–342. [[https:~~/~~/doi.org/10.1145/3576914.3587498>>https://doi.org/10.1145/3576914.3587498]] //(There is also a [[long version>>https://arxiv.org/abs/2301.09597]])//
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66
67 (% style="margin-left: 30.0px;" %)
68 ==== **Railway** ====
69
70 Bougacha, R., Wakrime, A. A., Kallel, S., Ayed, R. B., & Dutilleul, S. C. (2019, May). [[A Model-based Approach for the Modeling and the Verification of Railway Signaling System>>url:https://www.scitepress.org/Papers/2019/77284/77284.pdf]]. In //ENASE// (pp. 367-376).
71
72 P. Sun, S. Collart-dutilleul and P. Bon, "[[A model pattern of railway interlocking system by Petri nets>>url:https://ieeexplore.ieee.org/document/7223292]]," 2015 International Conference on Models and Technologies for Intelligent Transportation Systems (MT-ITS), Budapest, Hungary, 2015, pp. 442-449, doi: 10.1109/MTITS.2015.7223292.
73
74 Hertel, B.; Pagenkopf, J.; König, J. "[[Challenges in the (Re-)Connection of Peripheral Areas to the Rail Network from a Rolling Stock Perspective: The Case of Germany.>>url:https://www.mdpi.com/2624-8921/5/3/63]]" Vehicles 2023, //5//, pp. 1138-1148. https:~/~/doi.org/10.3390/vehicles5030063
75
76 There are more bachelor recommendations that are not publicly available on the [[subpage for non-public papers>>doc:.Railway Technology - Non-public Papers.WebHome]], to view them please log in with your LDAP credentials.
77
78
79 === Master Recommendations ===
80
81 (% style="margin-left: 30.0px;" %)
82 ==== **Embedded and Real-Time** ====
83
84 (% style="margin-left: 30.0px;" %)
85 (% style="color:#003366" %)Tobias Sehnke, Dieter Schwarzmann, Matthias Schultalbers, and Rolf Ernst. 2017. [[Temporal properties in automotive control software>>url:https://dl.acm.org/citation.cfm?doid=3139258.3139279||shape="rect"]]. In //Proceedings of the 25th International Conference on Real-Time Networks and Systems// (RTNS '17). ACM, New York, NY, USA, 98-107.
86
87 (% style="margin-left: 30.0px;" %)
88 Dumitru Potop-Butucaru, Robert de Simone, Yves Sorel, and Jean-Pierre Talpin, [[Clock-driven distributed real-time implementation of endochronous synchronous programs>>url:https://dl.acm.org/doi/abs/10.1145/1629335.1629356||shape="rect"]], In //Proceedings of the seventh ACM international conference on Embedded software//, New York, USA, 2009
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90 (% style="margin-left: 30.0px;" %)
91 Guillaume Baudart, Louis Mandel, Eric Atkinson, Benjamin Sherman, Marc Pouzet, and Michael Carbin. 2020. [[Reactive probabilistic programming>>url:https://dl.acm.org/doi/10.1145/3385412.3386009||shape="rect"]]. In //Proceedings of the 41st ACM SIGPLAN Conference on Programming Language Design and Implementation// (//PLDI 2020//)
92
93 (% style="margin-left: 30.0px;" %)
94 **[assigned]** Evgeny Kusmenko, Bernhard Rumpe, Sascha Schneiders, and Michael von Wenckstern. 2018. [[Highly-Optimizing and Multi-Target Compiler for Embedded System Models: C++ Compiler Toolchain for the Component and Connector Language EmbeddedMontiArc>>url:https://dl.acm.org/citation.cfm?id=3239388||shape="rect"]]. In //Proceedings of the 21th ACM/IEEE International Conference on Model Driven Engineering Languages and Systems// (MODELS '18). ACM, New York, NY, USA, 447-457.
95
96 (% style="margin-left: 30.0px;" %)
97 Kenwright, L., Roop, P.S., Allen, N., Lall, S., Cascaval, C., Spalink, T., & Izzard, M. (2024). [[Logical Synchrony Networks: A formal model for deterministic distribution>>https://arxiv.org/abs/2402.07433]]. //ArXiv, abs/2402.07433//.
98
99 (% style="margin-left: 30.0px;" %)
100 K. Didier, A. Cohen, D. Potop-Butucaru and A. Gauffriau, "[[Sheep in wolf's Clothing: Implementation Models for Dataflow Multi-Threaded Software>>https://ieeexplore.ieee.org/document/8843684]]," //2019 19th International Conference on Application of Concurrency to System Design (ACSD)//, Aachen, Germany, 2019, pp. 43-52, doi: 10.1109/ACSD.2019.00009.
101
102 (% style="margin-left: 30.0px;" %)
103 Timothy Bourke, Vincent Bregeon, and Marc Pouzet. [[Scheduling and Compiling Rate-Synchronous Programs with End-To-End Latency Constraints>>https://drops.dagstuhl.de/entities/document/10.4230/LIPIcs.ECRTS.2023.1]]. In 35th Euromicro Conference on Real-Time Systems (ECRTS 2023). Leibniz International Proceedings in Informatics (LIPIcs), Volume 262, pp. 1:1-1:22, Schloss Dagstuhl - Leibniz-Zentrum für Informatik (2023) [[https:~~/~~/doi.org/10.4230/LIPIcs.ECRTS.2023.1>>url:https://doi.org/10.4230/LIPIcs.ECRTS.2023.1]]
104
105 (% style="margin-left: 30.0px;" %)
106 Pascal Fradet, Alain Girault, and Alexandre Honorat. 2023. [[Sequential Scheduling of Dataflow Graphs for Memory Peak Minimization>>https://dl.acm.org/doi/10.1145/3589610.3596280]]. In Proceedings of the 24th ACM SIGPLAN/SIGBED International Conference on Languages, Compilers, and Tools for Embedded Systems (LCTES 2023). Association for Computing Machinery, New York, NY, USA, 76–86. [[https:~~/~~/doi.org/10.1145/3589610.3596280>>https://doi.org/10.1145/3589610.3596280]]
107
108 (% style="margin-left: 30.0px;" %)
109 Shaokai Lin, Yatin A. Manerkar, Marten Lohstroh, Elizabeth Polgreen, Sheng-Jung Yu, Chadlia Jerad, Edward A. Lee, and Sanjit A. Seshia. 2023. [[Towards Building Verifiable CPS using Lingua Franca>>https://dl.acm.org/doi/10.1145/3609134]]. ACM Trans. Embed. Comput. Syst. 22, 5s, Article 155 (October 2023), 24 pages. [[https:~~/~~/doi.org/10.1145/3609134>>https://doi.org/10.1145/3609134]]
110
111 (% style="margin-left: 30.0px;" %)
112 Christian Menard, Marten Lohstroh, Soroush Bateni, Matthew Chorlian, Arthur Deng, Peter Donovan, Clément Fournier, Shaokai Lin, Felix Suchert, Tassilo Tanneberger, Hokeun Kim, Jeronimo Castrillon, and Edward A. Lee. 2023. [[High-performance Deterministic Concurrency Using Lingua Franca.>>https://dl.acm.org/doi/10.1145/3617687]] ACM Trans. Archit. Code Optim. 20, 4, Article 48 (December 2023), 29 pages. [[https:~~/~~/doi.org/10.1145/3617687>>https://doi.org/10.1145/3617687]]
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114
115 (% style="margin-left: 30.0px;" %)
116 ==== **Railway** ====
117
118 Ferlin, A., Qiu, S., Bon, P., Sallak, M., Dutilleul, S. C., Schön, W., & Cherfi-Boulanger, Z. (2018). [[An automated method for the study of human reliability in railway supervision systems>>url:https://ieeexplore.ieee.org/document/8283579]]. //IEEE Transactions on Intelligent Transportation Systems//, //19//(10), 3360-3375.
119
120 Peleska, Jan, Anne E. Haxthausen, and Thierry Lecomte. "[[Standardisation considerations for autonomous train control.>>url:https://link.springer.com/chapter/10.1007/978-3-031-19762-8_22]]" Leveraging Applications of Formal Methods, Verification and Validation. Practice: 11th International Symposium, ISoLA 2022, Rhodes, Greece, October 22–30, 2022, Proceedings, Part IV. Cham: Springer Nature Switzerland, 2022.
121
122 Basile, D., ter Beek, M.H., Legay, A. (2020). [[Strategy Synthesis for Autonomous Driving in a Moving Block Railway System with Uppaal Stratego>>url:https://link.springer.com/chapter/10.1007/978-3-030-50086-3_1]]. In: Gotsman, A., Sokolova, A. (eds) Formal Techniques for Distributed Objects, Components, and Systems. FORTE 2020. Lecture Notes in Computer Science(), vol 12136. Springer, Cham. [[https:~~/~~/doi.org/10.1007/978-3-030-50086-3_1>>url:https://doi.org/10.1007/978-3-030-50086-3_1]]
123
124 G. Krummenacher, C. S. Ong, S. Koller, S. Kobayashi and J. M. Buhmann, "[[Wheel Defect Detection With Machine Learning>>url:https://ieeexplore.ieee.org/document/8006280]]," in //IEEE Transactions on Intelligent Transportation Systems//, vol. 19, no. 4, pp. 1176-1187, April 2018, doi: 10.1109/TITS.2017.2720721.
125
126 Anne E. Haxthausen, Jan Peleska, and Sebastian Kinder. 2011. [[A formal approach for the construction and verification of railway control systems.>>url:https://dl.acm.org/doi/10.1007/s00165-009-0143-6]] Form. Asp. Comput. 23, 2 (Mar 2011), 191–219. [[https:~~/~~/doi.org/10.1007/s00165-009-0143-6>>url:https://doi.org/10.1007/s00165-009-0143-6]]
127
128 There are more master recommendations that are not publicly available on the [[subpage for non-public papers>>doc:.Railway Technology - Non-public Papers.WebHome]], to view them please log in with your LDAP credentials.
129
130 = Schedule =
131
132 == Dates in the semester ==
133
134 (% class="fixed-table wrapped" %)
135 |=(((
136 Date
137 )))|=(((
138 Milestone
139 )))
140 |(((
141 t.b.a.
142 )))|(((
143 First Meeting/**Kick-Off **with a Latex and EasyChair introduction. The meeting will take place in room 11.1114/11.1115 in CAP4.
144 )))
145 |(% colspan="1" %)t.b.a.|(% colspan="1" %)(% colspan="1" %)
146 (((
147 Deadline for topic selection (via email to Niklas).
148 )))
149 |t.b.a.|(((
150 (% style="color:#172b4d" %)Deadline of the first draft in [[EasyChair>>https://easychair.org/conferences/?conf=kielrtsyssem24ss||shape="rect"]](%%). This includes abstract, introduction, outline, notes for chapter contents and an overview list of bibliography for related work.
151 )))
152 |(% colspan="1" %)(% colspan="1" %)
153 (((
154 (% style="color:#172b4d" %)In week of above, individual dates
155 )))|(% colspan="1" %)(% colspan="1" %)
156 (((
157 Individual feedback dates.
158 )))
159 |(% colspan="1" %)t.b.a.|(% colspan="1" %)(% colspan="1" %)
160 (((
161 (% style="color:#172b4d" %)Deadline of the first full version (%%)(submission update in(% style="color:#172b4d" %) [[EasyChair>>https://easychair.org/conferences/?conf=kielrtsyssem24ss||shape="rect"]](%%))
162 )))
163 |(% colspan="1" %)(% colspan="1" %)
164 (((
165 (% style="color:#172b4d" %)In week of above, individual dates
166 )))|(% colspan="1" %)(% colspan="1" %)
167 (((
168 (% style="color:#172b4d" %)Individual feedback dates.
169 )))
170 |(% colspan="1" %)t.b.a.|(% colspan="1" %)(% colspan="1" %)
171 (((
172 (% style="color:#172b4d" %)Deadline of the review version(%%) (submission update in(% style="color:#172b4d" %) [[EasyChair>>https://easychair.org/conferences/?conf=kielrtsyssem24ss||shape="rect"]](%%)) and admission to program committee (invitation via email)
173 )))
174 |(% colspan="1" %)(% colspan="1" %)
175 (((
176 (% style="color:#172b4d" %)subsequently
177 )))|(% colspan="1" %)(% colspan="1" %)
178 (((
179 (% style="color:#172b4d" %)Review assignment(%%) (via email)
180 )))
181 |(% colspan="1" %)t.b.a.|(% colspan="1" %)(% colspan="1" %)
182 (((
183 (% style="color:#172b4d" %)Deadline reviews(%%) (in(% style="color:#172b4d" %) [[EasyChair>>https://easychair.org/conferences/?conf=kielrtsyssem24ss||shape="rect"]](%%))
184 )))
185 |(% colspan="1" %)(((
186 individual dates
187
188 t.b.a.
189 )))|(% colspan="1" %)(% colspan="1" %)
190 (((
191 (% style="color:#172b4d" %)Individual feedback dates on presentation slides(%%).
192
193 The slides need to be available online or sent to the advisor beforehand (as PDF).
194 )))
195 |(% colspan="1" %)t.b.a.|(% colspan="1" %)(% colspan="1" %)
196 (((
197 (% style="color:#172b4d" %)Deadline final version (%%)(submission update in(% style="color:#172b4d" %) [[EasyChair>>https://easychair.org/conferences/?conf=kielrtsyssem24ss||shape="rect"]](%%))
198 )))
199 |(% colspan="1" %)(% colspan="1" %)
200 (((
201 t.b.a.^^1^^
202 )))|(% colspan="1" %)(% colspan="1" %)
203 (((
204 Final presentations
205 )))
206
207 (% class="wikigeneratedid" %)
208 //^^1^^preliminary date; please contact us if there are any conflicts with exams//
209
210 == The Final Presentations ==
211
212 The presentation of the prepared topic is held during a block seminar at **tbd**. The attendance at the seminar day is mandatory. Every attending person receives the proceedings of the current semester.
213
214
215 = Schedule and Grading =
216
217 == Papers, Talks, Review ==
218
219 (% style="color:#172b4d" %)This seminar includes creating a paper, a talk, and two reviews.
220
221 === Paper ===
222
223 The paper should provide an overview of the chosen topic. It should be written in a style that late bachelor student can understand it. The paper should be 6 (master) or 4 (bachelor) pages long (including bibliography), not more not less, and it should use the ACM LaTeX-style (more details below). We advise you to read the [[writing advice>>doc:Theses.Writing and Grading Theses.WebHome||shape="rect"]] for writing a thesis. You can write your paper either in English or German.
224
225 === Talk ===
226
227 The talk should be 30 minutes (master) or 20 minutes (bachelor) long. This is followed by 5 minutes of questions. The slides should contain page numbers to allow the participants to ask specific questions after the talk. It would be great to include a short tool demo if your topic includes some concrete implementation.
228
229 You can freely choose your presentation tool. Therefore, for the individual dates on the presentation slides it would be best to to use your own computer. If the slides are provided as PDF beforehand, a different computer could be used.
230
231 Especially when using online tools, note that the block seminar might take place in building with bad WLAN access. Therefore, the presentations must allow to be held offline.
232
233 The talk can be held in English or German.
234
235 === Review ===
236
237 A review consist of two parts:
238
239 1. General comments (what do you like/ not like regarding content, structure, and readability) as well as general suggestions to improve the paper
240 1. In detail remarks and corrections
241
242 The first part of the review should be at least half an A4 page long. It should be written in full text and not only consist of notes. The review content should be similar to the review you get during the individual dates, however, it should be more in detail and with a clear focus on content, structure, and readability of the paper.
243
244 It is not possible to add files in the EasyChair review form. Therefore, it is not possible to add an annotated pdf as detailed correction.
245
246 The reviews are assigned after the review-version deadline and are based on the submitted version of the papers.
247
248 == Grades ==
249
250 This seminar is graded. The grade is based on each milestone (the different versions of the paper, the reviews, the slides, the talk, engagement in the workshop). For each milestone quality, timing (see dates) are graded. Missed deadline may cause you to fail the seminar.
251
252 = Technical Details =
253
254 === LaTeX ===
255
256 Your papers should be created using LaTeX and have to be in the provided ACM style. You can find all necessary files in this [[archive>>attach:SS20 (Layout)@paper-template.zip]], including an example document that includes helpful LaTeX-hints to start with. Copy all files in some folder and begin to write your paper.
257
258 LaTeX can create a bibliography (it includes scientific publications, which are referenced to prove statements) too. The example includes a file named {{code language="none"}}myrefs.bib{{/code}}, which holds the references. ACM provides a short overview with [[examples>>url:https://www.acm.org/publications/authors/bibtex-formatting||shape="rect"]] of bibliography entries.
259
260 While writing your paper keep the following in mind:
261
262 * Think about whether you want to write your paper in German or English and make use to use the corresponding ACM-style.
263 * If you use graphics from your original paper, you should not just add a screenshotted of the pdf your paper. Try to use the image from the original paper by exporting them, including the pdf directly ({{code language="none"}}\inlcudegraphics[page=... trim=...]{*.pdf}{{/code}}), or by recreating the image by yourself (ideally as a vector graphic). This way you should get a result that is not pixelated or at least not worse than the original.
264 * A paper always consists of an introduction, at least one main chapter, and a conclusion.
265
266 === EasyChair Tutorial ===
267
268 **[[The Tutorial>>doc:Seminars.EasyChair Tutorial.WebHome]]**
269
270 You can find our seminar in EasyChair: **[[Link>>https://easychair.org/conferences/?conf=kielrtsyssem24ss||shape="rect"]]**
271
272 = Resources =
273
274 In general, it is advised to look for related work in the university network since you will get access to many online libraries. We the following search engines and web pages:
275
276 * Google Scholar: [[http:~~/~~/scholar.google.de/>>url:http://scholar.google.de/||shape="rect" class="external-link"]]
277 * dblp: [[http:~~/~~/dblp.uni-trier.de/>>url:http://dblp.uni-trier.de/||shape="rect"]]
278 * CiteSeer: [[http:~~/~~/citeseer.ist.psu.edu/>>url:http://citeseer.ist.psu.edu/||shape="rect" class="external-link"]]
279 * IEEE-Xplore: [[http:~~/~~/ieeexplore.ieee.org/Xplore/dynhome.jsp>>url:http://ieeexplore.ieee.org/Xplore/dynhome.jsp||shape="rect" class="external-link"]]
280 * ACM Digital Library: [[http:~~/~~/portal.acm.org/dl.cfm>>url:http://portal.acm.org/dl.cfm||shape="rect" class="external-link"]]
281 * Universitätsbibliothek Digitale Medien: [[http:~~/~~/www.uni-kiel.de/ub/emedien/index.html>>url:http://www.uni-kiel.de/ub/emedien/index.html||shape="rect"]]