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[Reminder CfP] ELS 2021, 14th European Lisp Symposium, May 3-4

by Didier Verna

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 14th European Lisp Symposium Call for Papers May 3 - May 4, 2021 Online / Everywhere http://www.european-lisp-symposium.org/2021 Sponsored by EPITA and RavenPack ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Invited Speakers ~~~~~~~~~~~~~~~~ Nada Amin - Harvard SEAS others tba Important Dates ~~~~~~~~~~~~~~~ - Submission deadline: March 7, 2021 - Author notification: April 6, 2021 - Final papers due: April 19, 2021 - Symposium: May 3 - May 4, 2021 Scope ~~~~~ The European Lisp Symposium is a premier forum for the discussion and dissemination of all aspects of design, implementation and application of any of the Lisp dialects, including Common Lisp, Scheme, Emacs Lisp, Clojure, Racket, ACL2, AutoLisp, ISLISP, Dylan, SKILL, Hy, Shen, Carp, Janet, uLisp, Picolisp, Gamelisp, TXR, and so on. We encourage everyone interested in Lisp to participate. The European Lisp Symposium 2021 invites high quality papers about novel research results, insights and lessons learned from practical applications, and educational perspectives. We also encourage submissions about known ideas as long as they are presented in a new setting and/or in a highly elegant way. Topics include but are not limited to: - Context-, aspect-, domain-oriented and generative programming - Macro-, reflective-, meta- and/or rule-based development approaches - Language design and implementation - Language integration, inter-operation and deployment - Development methodologies, support and environments - Educational approaches and perspectives - Experience reports and case studies Technical Program ~~~~~~~~~~~~~~~~~ We invite submissions in the following forms: * Papers: Technical papers of up to 8 pages that describe original results or explain known ideas in new and elegant ways. * Demonstrations: Abstracts of up to 4 pages for demonstrations of tools, libraries, and applications. * Tutorials: Abstracts of up to 4 pages for in-depth presentations about topics of special interest for at least 90 minutes and up to 180 minutes. All submissions should be formatted following the ACM SIGS guidelines and include ACM Computing Classification System 2012 concepts and terms. Submissions should be uploaded to Easy Chair, at the following http://www.easychair.org/conferences/?conf=els2021 Note: to help us with the review process please indicate the type of submission by entering either "paper", "demo", or "tutorial" in the Keywords field. Programme Chair ~~~~~~~~~~~~~~~ Marco Heisig - FAU Erlangen-Nürnberg, Germany Local Chairs ~~~~~~~~~~~~ Michał Herda Mark Evenson - RavenPack Programme Committee ~~~~~~~~~~~~~~~~~~~ Ioanna Dimitriou - Igalia Irène Durand - LaBRI University of Bordeaux R. Matthew Emerson - thoughtstuff LLC Matthew Flatt - University of Utah Jonathan Godbout - Google Paulo Matos - Linki Tools David McClain - SpectroDynamics, LLC Stefan Monnier - University of Montreal Jim Newton - EPITA Research Lab Kent Pitman - HyperMeta Inc. Christophe Rhodes - Google Kai Selgrad - OTH Regensburg Olin Shivers - Northeastern University Robert Smith - Rigetti Quantum Computing Michael Sperber - DeinProgramm Evrim Ulu - Middle East Technical University Breanndán Ó Nualláin - Machine Learning Programs -- Lisp, Jazz, Aïkido: http://www.didierverna.info

4 years, 4 months

[CfP] ELS'21, 14th European Lisp Symposium, online, May 3-4 2021

by Didier Verna

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 14th European Lisp Symposium Call for Papers May 3 - May 4, 2021 Online / Everywhere http://www.european-lisp-symposium.org/2021 Sponsored by EPITA and RavenPack ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Invited Speakers ~~~~~~~~~~~~~~~~ tba Important Dates ~~~~~~~~~~~~~~~ - Submission deadline: March 7, 2021 - Author notification: April 6, 2021 - Final papers due: April 19, 2021 - Symposium: May 3 - May 4, 2021 Scope ~~~~~ The European Lisp Symposium is a premier forum for the discussion and dissemination of all aspects of design, implementation and application of any of the Lisp dialects, including Common Lisp, Scheme, Emacs Lisp, Clojure, Racket, ACL2, AutoLisp, ISLISP, Dylan, SKILL, Hy, Shen, Carp, Janet, uLisp, Picolisp, Gamelisp, TXR, and so on. We encourage everyone interested in Lisp to participate. The European Lisp Symposium 2021 invites high quality papers about novel research results, insights and lessons learned from practical applications, and educational perspectives. We also encourage submissions about known ideas as long as they are presented in a new setting and/or in a highly elegant way. Topics include but are not limited to: - Context-, aspect-, domain-oriented and generative programming - Macro-, reflective-, meta- and/or rule-based development approaches - Language design and implementation - Language integration, inter-operation and deployment - Development methodologies, support and environments - Educational approaches and perspectives - Experience reports and case studies Technical Program ~~~~~~~~~~~~~~~~~ We invite submissions in the following forms: * Papers: Technical papers of up to 8 pages that describe original results or explain known ideas in new and elegant ways. * Demonstrations: Abstracts of up to 4 pages for demonstrations of tools, libraries, and applications. * Tutorials: Abstracts of up to 4 pages for in-depth presentations about topics of special interest for at least 90 minutes and up to 180 minutes. All submissions should be formatted following the ACM SIGS guidelines and include ACM Computing Classification System 2012 concepts and terms. Submissions should be uploaded to Easy Chair, at the following http://www.easychair.org/conferences/?conf=els2021 Note: to help us with the review process please indicate the type of submission by entering either "paper", "demo", or "tutorial" in the Keywords field. Programme Chair ~~~~~~~~~~~~~~~ Marco Heisig - FAU Erlangen-Nürnberg, Germany Local Chairs ~~~~~~~~~~~~ Michał Herda Mark Evenson - RavenPack Programme Committee ~~~~~~~~~~~~~~~~~~~ tba -- Didier Verna

4 years, 6 months

Mercredi 16 décembre 2020: Stefan Schwoon, ENS Paris-Saclay

by Nicolas BOUTRY

Chers collègues, La prochaine session du séminaire Performance et Généricité du LRDE (Laboratoire de Recherche et Développement de l'EPITA) aura lieu le Mercredi 16 décembre 2020 (11h -- 12h) en distanciel (en raison des conditions sanitaires actuelles) au lien suivant: https://eu.bbcollab.com/collab/ui/session/guest/95a72a9dc7b0405c8c281ea3157… <https://eu.bbcollab.com/collab/ui/session/guest/95a72a9dc7b0405c8c281ea3157…> Vous trouverez sur le site du séminaire [1] les prochaines séances, les résumés, captations vidéos et planches des exposés précédents [2], et le détail de cette séance [3]. [1] http://seminaire.lrde.epita.fr [2] http://seminaire.lrde.epita.fr/Archives [3] http://seminaire.lrde.epita.fr/2020-12-16 Au programme du Mercredi 16 décembre 2020 : * 11h -- 12h: Diagnosis and Opacity in Partially Observable Systems -- Stefan Schwoon, ENS Paris-Saclay http://www.lsv.fr/~schwoon/ In a partially observable system, diagnosis is the task of detecting certain events, for instance fault occurrences. In the presence of hostile observers, on the other hand, one is interested in rendering a system opaque, i.e. making it impossible to detect certain "secret" events. The talk will present some decidability and complexity results for these two problems when the system is represented as a finite automaton or a Petri net. We then also consider the problem of active diagnosis, where the observer has some control over the system. In this context, we study problems such as the computational complexity of the synthesis problem, the memory required for the controller, and the delay between a fault occurrence and its detection by the diagnoser. The talk is based on joint work with B. Bérard, S. Haar, S. Haddad, T. Melliti, and S. Schmitz. -- Stefan Schwoon studied Computer Science at the University of Hildesheim and received a PhD from the Technical University of Munich in 2002. He held the position of Scientific Assistent at the University of Stuttgart from 2002 to 2007, and at the Technical University in Munich from 2007 to 2009. He is currently Associate Professor (Maître de conférences) at Laboratoire Spécification et Vérification (LSV), ENS Paris-Saclay, and a member of the INRIA team Mexico. His research interests include model checking and diagnosis on concurrent and partially-observable systems. L'entrée du séminaire est libre. Merci de bien vouloir diffuser cette information le plus largement possible. N'hésitez pas à nous faire parvenir vos suggestions d'orateurs.

4 years, 6 months

Habilitation defense

by Didier Verna

Dear all, I am pleased to announce my habilitation defense, entitled (dynamic (programming paradigms)) ;; performance and expressivity to be held on Friday, July 10, 14:00 CEST. Due to the current pandemic, the defense will take place on a Zoom public channel. The actual link to the video-conference will be provided later on, at the following URL: https://www.lrde.epita.fr/~didier/research/publications/papers.php#verna.20… The jury is composed as follows. Reporters: Robert Strandh, University of Bordeaux, France Nicolas Neuß, FAU, Erlangen-Nürnberg, Germany Manuel Serrano, INRIA, Sophia Antipolis, France Examiners: Marco Antoniotti, University of Milan, Italy Ralf Möller, Université of Lübech, Germany Gérard Assayag, IRCAM, Paris, France -- Resistance is futile. You will be jazzimilated. Lisp, Jazz, Aïkido: http://www.didierverna.info

4 years, 11 months

New publication: Practical “paritizing” of Emerson-Lei automata

by Florian Renkin

I am happy to announce that the following paper has been accepted at the 18th International Symposium on Automated Technology for Verification and Analysis (ATVA'20) Practical "paritizing" of Emerson-Lei automata Florian Renkin, Alexandre Duret-Lutz, Adrien Pommellet https://www.lrde.epita.fr/wiki/Publications/renkin.20.atva [1] Abstract: We introduce a new algorithm that takes a Transition-based Emerson-Lei Automaton (TELA), that is, an ω-automaton whose acceptance condition is an arbitrary Boolean formula on sets of transitions to be seen infinitely or finitely often, and converts it into a Transition-based Parity Automaton (TPA). To reduce the size of the output TPA, the algorithm combines and optimizes two procedures based on a latest appearance record principle, and introduces a partial degeneralization. Our motivation is to use this algorithm to improve our LTL synthesis tool, where producing deterministic parity automata is an intermediate step. -- Florian Renkin Links: ------ [1] https://www.lrde.epita.fr/wiki/Publications/blahoudek.20.atva

4 years, 11 months

Soutenance Julie Rivet 17 juillet 14h

by jrivet

**English below** Bonjour à toutes et à tous, J'ai le plaisir de vous inviter à la soutenance de ma thèse qui s'intitule "Non-iterative methods for image improvement in digital holography of the retina" (ci-joint un court résumé). Elle aura lieu le 17 juillet à 14h, dans l'amphithéâtre 401 à l'EPITA, 14-16 Rue Voltaire, 94270 Le Kremlin-Bicêtre (pour plus d'informations : https://www.lrde.epita.fr/wiki/Affiche-these-JR), dans le respect des distances de sécurité. Elle sera également diffusée par visioconférence. Le lien pour y accéder vous sera communiqué prochainement. La soutenance sera suivie d'un pot à côté de l'amphithéâtre. A bientôt je l'espère, Julie Rivet -- Hello everyone, I am pleased to invite you to the defense of my thesis entitled "Non-iterative methods for image improvement in digital holography of the retina" (a short abstract is attached). It will take place on July 17th at 2pm, in the amphitheatre 401 at EPITA, 14-16 Rue Voltaire, 94270 Le Kremlin-Bicêtre (for more information: https://www.lrde.epita.fr/wiki/Affiche-these-JR), with respect to safety distances. It will also be broadcast by videoconference. The link to access it will be communicated to you shortly. The defense will be followed by a toast next to the amphitheatre. See you soon I hope, Julie Rivet

4 years, 12 months

New publication: Improving swarming using genetic algorithms

by Renault Etienne

Greetings, We are please to announce that the following paper has been accepted for publication in "Innovations in Systems and Software Engineering: a NASA journal (ISSE)". Title and corresponding authors: "Improving swarming using genetic algorithms" Etienne Renault (1) (1) LRDE, EPITA, Le Kremlin-Bicêtre, France Abstract: The verification of temporal properties against a given system may require the exploration of its full state space. In explicit model checking, this exploration uses a depth-first search and can be achieved with multiple randomized threads to increase performance. Nonetheless, the topology of the state space and the exploration order can cap the speedup up to a certain number of threads. This paper proposes a new technique that aims to tackle this limitation by generating artificial initial states, using genetic algorithms. Threads are then launched from these states and thus explore different parts of the state space. Our prototype implementation is 10% faster than state-of-the-art algorithms on a general benchmark and 40% on a specialized benchmark. Even if we expected a decrease in an order of magnitude, these results are still encouraging since they suggest a new way to handle existing limitations. Empirically, our technique seems well suited for "linear topology", i.e., the one we can obtain when combining model checking algorithms with partial-order reduction techniques. More information at : https://www.lrde.epita.fr/wiki/Publications/renault.20.isse <https://www.lrde.epita.fr/wiki/Publications/renault.20.isse>

5 years

[Last CfP] Onward! Essays @SPLASH 2020, Chicago, Nov 15-20

by Didier Verna

Onward! Essays 2020 ACM SIGPLAN International Symposium on New Ideas, New Paradigms, and Reflections on Programming and Software Renaissance Chicago Downtown Hotel Chicago, USA November 15--20 2020 Part of SPLASH 2020 Systems, Programming Languages and Applications: Software for Humanity https://2020.splashcon.org/track/splash-2020-Onward-essays Onward! is a premier multidisciplinary conference focused on everything to do with programming and software: including processes, methods, languages, communities, applications and education. Compared to other conferences, Onward! is more radical, more visionary, and more open to ideas that are well-argued but not yet proven. It is not looking for research-as-usual papers. To allow room for bigger, bolder and/or less mature ideas, it accepts less exact methods of validation, such as compelling arguments, exploratory implementations, and substantial examples. Onward! Essays is looking for clear and compelling pieces of writing about topics important to the software community (there is also a parallel Papers track with a seperate announcement). An essay can be an exploration of the topic and its impact, or a story about the circumstances of its creation; it can present a personal view of what is, explore a terrain, or lead the reader in an act of discovery; it can be a philosophical digression or a deep analysis. It can describe a personal journey, perhaps the one the author took to reach an understanding of the topic. The subject area—software, programming, and programming languages—should be interpreted broadly and can include the relationship of software to human endeavors, or its philosophical, sociological, psychological, historical, or anthropological underpinnings. Format and Selection: Onward! essays must describe unpublished work that is not currently submitted for publication elsewhere as described by SIGPLAN's Republication Policy. Submitters should also be aware of ACM's Policy and Procedures on Plagiarism. Onward! essays should use the ACM SIGPLAN Conference acmart format. Please refer to the conference's website above for full details. The Onward! Essays track follows a two-phase review process. Essays are peer-reviewed in a single-blind manner. Accepted essays will appear in the Onward! Proceedings in the ACM Digital Library, and must be presented at the conference. Submissions will be judged on the potential impact of the ideas and the quality of the presentation. Important dates: All deadlines are midnight, anywhere on Earth. Essay submission: 23 May First-round notification: 11 July Second-round submission: 15 August Final notification: 30 August Conference: 15--20 November Programme Committee: Didier Verna, EPITA Research lab, France (Program Chair) Anya Helene Bagge, University of Bergen, Norway Alexandre Bergel, University of Chile Jean Bresson, Ableton, Germany Maxime Chevalier-Boisvert, Université de Montréal, Québec Elisa Gonzalez Boix, Vrije Universiteit Brussel, Belgium Hidehiko Masuhara, Tokyo Institute of Technology, Japan Kent Pitman, PTC, USA Donya Quick, Stevens Institute of Technology, USA Gordana Rakić, University of Novi Sad, Serbia -- Resistance is futile. You will be jazzimilated. Lisp, Jazz, Aïkido: http://www.didierverna.info

5 years, 1 month

New publication: LTL Model Checking for Communicating Concurrent Programs

by adrien

I am happy to announce that the following paper has been accepted in the Innovations in Systems and Software Engineering (ISSE) journal. LTL Model Checking for Communicating Concurrent Programs Adrien Pommellet and Tayssir Touili Abstract: We present in this paper a new approach to the static analysis of concurrent programs with procedures. To this end, we model multi-threaded programs featuring recursive procedure calls and synchronisation by rendez-vous between parallel threads with communicating pushdown systems (from now on CPDSs). The reachability problem for this particular class of automata is unfortunately undecidable. However, it has been shown that an efficient abstraction of the execution traces language can nonetheless be computed. To this end, an algebraic framework to over-approximate context-free languages has been introduced by Bouajjani et al. In this paper, we combine this framework with an automata-theoretic approach in order to approximate an answer to the model checking problem of the linear-time temporal logic (from now on LTL) on CPDSs. We then present an algorithm that, given a single-indexed or stutter-invariant LTL formula, allows us to prove that no run of a CPDS verifies this formula if the procedure ends.

5 years, 1 month

New publication: Seminator 2 Can Complement Generalized Büchi Automata via Improved Semi-Determinization

by Alexandre Duret-Lutz

I am happy to announce that the following paper has been accepted at the 32nd International Conference on Computer-Aided Verification (CAV'20), to be held virtually in July 2020. Seminator 2 Can Complement Generalized Büchi Automata via Improved Semi-Determinization František Blahoudek¹, Alexandre Duret-Lutz², Jan Strejček³ ¹University of Texas at Austin, USA ²LRDE, EPITA, Le Kremlin-Bicêtre, France ³Faculty of Informatics, Masaryk University, Brno, Czech Republic https://www.lrde.epita.fr/wiki/Publications/blahoudek.20.atva Abstract: We present the second generation of the tool Seminator that transforms transition-based generalized Büchi automata (TGBAs) into equivalent semi-deterministic automata. The tool has been extended with numerous optimizations and produces considerably smaller automata than its first version. In connection with the state-of-the-art LTL to TGBAs translator Spot, Seminator 2 produces smaller (on average) semi-deterministic automata than the direct LTL to semi-deterministic automata translator ltl2ldgba of the Owl library. Further, Seminator 2 has been extended with an improved NCSB complementation procedure for semi-deterministic automata, providing a new way to complement automata that is competitive with state-of-the-art complementation tools. -- Alexandre Duret-Lutz

5 years, 1 month

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