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Constraints Journal<p>Many thanks to Springer's SharedIt program!</p><p>From now on, we will share new issues of the Constraints Journal on the Association for Constraint Programming website, along with bonus content (e.g., videos about the contents): </p><p><a href="https://www.a4cp.org/cj2" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="">a4cp.org/cj2</span><span class="invisible"></span></a></p><p><a href="https://mastodon.acm.org/tags/ConstraintProgramming" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>ConstraintProgramming</span></a> <a href="https://mastodon.acm.org/tags/ArtificialIntelligence" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>ArtificialIntelligence</span></a><br><a href="https://mastodon.acm.org/tags/AssociationForConstraintProgramming" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>AssociationForConstraintProgramming</span></a><br><a href="https://mastodon.acm.org/tags/ACP" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>ACP</span></a> <br><a href="https://mastodon.acm.org/tags/Springer" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Springer</span></a> <br><a href="https://mastodon.acm.org/tags/SpringerPublishing" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>SpringerPublishing</span></a><br><a href="https://mastodon.acm.org/tags/Journal" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Journal</span></a><br><a href="https://mastodon.acm.org/tags/CP" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>CP</span></a> <br><a href="https://mastodon.acm.org/tags/Optimisation" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Optimisation</span></a> <a href="https://mastodon.acm.org/tags/Optimization" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Optimization</span></a><br><a href="https://mastodon.acm.org/tags/AI" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>AI</span></a> <br><a href="https://mastodon.acm.org/tags/SharedIt" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>SharedIt</span></a><br><a href="https://mastodon.acm.org/tags/OpenScience" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>OpenScience</span></a> <a href="https://mastodon.acm.org/tags/OpenAccess" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>OpenAccess</span></a> <a href="https://mastodon.acm.org/tags/OpenAccessPublishing" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>OpenAccessPublishing</span></a></p>
Ross Gayler<p>Some probability/maths/optimisation questions for the Fedi-hive mind:</p><p>Bayes' Theorem is<br>P(H | E) = P(E | H) P(H) / P(E)<br>where H and E are events (that I have labelled for my mnemonic convenience to suggest Hypothesis and Evidence, but they're just events).</p><p>Assume that:<br>* There is some fixed database of records with a fixed set of fields.<br>* The events H and E are predicates of individual database records.<br>* The event predicates are functions of the field values in the record being evaluated.<br>* We are interpreting the relative frequency of the event predicate being true over all the record in the database as the probability of the event defined by the predicate.</p><p>The typical statement of Bayes' Theorem appears to assume that the definitions of the events H and E are fixed and given, and the only thing of interest is how to calculate with them.</p><p>1. Does it make sense to have a fixed definition of H and search over the space of possible definitions of E to maximise P(H | E)?</p><p>2. Is there a name for this? (I presume it's been suggested many times already.) Is it abductive inference because you're trying to find the "best explanation" of H?</p><p>3. Are there constraints that need to be placed on the optimisation? (a. You wouldn't want the E definition to be a copy of or equivalent to the H definition. b. You wouldn't want the E definition to be some degenerate case, e.g. with P(E) vanishingly small. c. You probably want some regularisation penalty that prefers simple definitions of E over more complex ones.</p><p>Any comments on this and pointers into the literature would be greatly appreciated.</p><p><a href="https://aus.social/tags/math" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>math</span></a> <a href="https://aus.social/tags/probability" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>probability</span></a> <a href="https://aus.social/tags/Bayes" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Bayes</span></a> <a href="https://aus.social/tags/optimisation" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>optimisation</span></a> <a href="https://aus.social/tags/AbductiveInference" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>AbductiveInference</span></a></p>
Dr. Anna Latour<p>My colleagues at TU Delft are seeking to hire a postdoc to work on Applied Planning and Scheduling under Uncertainty, with applications in modelling supply chain scenarios for offshore wind farm installation: <a href="https://careers.tudelft.nl/job/Delft-Postdoc-in-Applied-Planning-and-Scheduling-under-Uncertainty-2628-CD/814890902/" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">careers.tudelft.nl/job/Delft-P</span><span class="invisible">ostdoc-in-Applied-Planning-and-Scheduling-under-Uncertainty-2628-CD/814890902/</span></a></p><p><a href="https://mathstodon.xyz/tags/AcademicMastodon" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>AcademicMastodon</span></a> <a href="https://mathstodon.xyz/tags/PostdocLife" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>PostdocLife</span></a> <a 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.:\dGh/:.<p>This is a godsend. Having 14k subs is so unfair.</p><p><a href="https://www.youtube.com/watch?v=nnpPYlg1G2g" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="">youtube.com/watch?v=nnpPYlg1G2g</span><span class="invisible"></span></a></p><p><a href="https://mastodon.social/tags/YouTube" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>YouTube</span></a> <a href="https://mastodon.social/tags/Video" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Video</span></a> <a href="https://mastodon.social/tags/Optimisation" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Optimisation</span></a> <a href="https://mastodon.social/tags/Settings" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Settings</span></a> <a href="https://mastodon.social/tags/GameSettings" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>GameSettings</span></a> <a href="https://mastodon.social/tags/Videogames" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Videogames</span></a> <a href="https://mastodon.social/tags/Gaming" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Gaming</span></a> <a href="https://mastodon.social/tags/Game" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Game</span></a> <a href="https://mastodon.social/tags/Games" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Games</span></a> <a href="https://mastodon.social/tags/MarvelsSpiderman2" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>MarvelsSpiderman2</span></a> <a href="https://mastodon.social/tags/Marvel" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Marvel</span></a> <a href="https://mastodon.social/tags/SpiderMan" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>SpiderMan</span></a> <a href="https://mastodon.social/tags/PC" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>PC</span></a> <a href="https://mastodon.social/tags/PCGaming" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>PCGaming</span></a> <a href="https://mastodon.social/tags/PCGames" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>PCGames</span></a> <a href="https://mastodon.social/tags/PCGame" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>PCGame</span></a></p>
Constraints Journal<p>Dear all,</p><p>📓 This is the official account of the Constraints Journal (<a href="https://link.springer.com/journal/10601" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">link.springer.com/journal/1060</span><span class="invisible">1</span></a>). </p><p>📣 We will use this account to notify you of new publications, extra materials, CfPs and special issues. </p><p>💬 We look forward to connecting with the CP community, and thank ACM for hosting.</p><p>🚀 Please boost, tnx!<br> <br><a href="https://mastodon.acm.org/tags/AcademicMastodon" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>AcademicMastodon</span></a><br><a href="https://mastodon.acm.org/tags/ArtificialIntelligence" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>ArtificialIntelligence</span></a><br><a href="https://mastodon.acm.org/tags/AutomatedReasoning" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>AutomatedReasoning</span></a><br><a href="https://mastodon.acm.org/tags/CombinatorialAlgorithms" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>CombinatorialAlgorithms</span></a><br><a href="https://mastodon.acm.org/tags/ComputationalLogic" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>ComputationalLogic</span></a><br><a href="https://mastodon.acm.org/tags/ConstraintProgramming" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>ConstraintProgramming</span></a><br><a href="https://mastodon.acm.org/tags/OperationsResearch" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>OperationsResearch</span></a><br><a href="https://mastodon.acm.org/tags/Optimisation" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Optimisation</span></a><br><a href="https://mastodon.acm.org/tags/Satisfiability" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Satisfiability</span></a></p>
Dr. Anna Latour<p>Excited to attend my first PhD defence at TU Delft: Daniël Vos will be defending his thesis "Decision Tree Learning: Algorithms for Robust Prediction and Policy Optimization", containing work he did under supervision of Prof. Dr. Ir. R.L. Lagendijk and Dr. Ir. Sicco Verwer.</p><p><a href="https://mathstodon.xyz/tags/AcademicMastodon" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>AcademicMastodon</span></a> <a href="https://mathstodon.xyz/tags/AcademicChatter" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>AcademicChatter</span></a> <a href="https://mathstodon.xyz/tags/PhDLife" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>PhDLife</span></a> <a href="https://mathstodon.xyz/tags/Delft" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Delft</span></a> <a href="https://mathstodon.xyz/tags/TUDelft" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>TUDelft</span></a> <a href="https://mathstodon.xyz/tags/DelftUniversityOfTechnology" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>DelftUniversityOfTechnology</span></a> <a href="https://mathstodon.xyz/tags/Dissertation" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Dissertation</span></a> <a href="https://mathstodon.xyz/tags/Defence" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Defence</span></a> <a href="https://mathstodon.xyz/tags/PhD" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>PhD</span></a> <a href="https://mathstodon.xyz/tags/PhDDefence" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>PhDDefence</span></a> <a href="https://mathstodon.xyz/tags/DecisionTrees" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>DecisionTrees</span></a> <a href="https://mathstodon.xyz/tags/Optimization" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Optimization</span></a> <a href="https://mathstodon.xyz/tags/Optimisation" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Optimisation</span></a> <a href="https://mathstodon.xyz/tags/Algorithms" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Algorithms</span></a> <a href="https://mathstodon.xyz/tags/ExplainableAI" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>ExplainableAI</span></a> <a href="https://mathstodon.xyz/tags/RobustOptimization" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>RobustOptimization</span></a> <a href="https://mathstodon.xyz/tags/RobustAI" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>RobustAI</span></a> <a href="https://mathstodon.xyz/tags/Defense" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Defense</span></a> <a href="https://mathstodon.xyz/tags/PhDDefense" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>PhDDefense</span></a></p>
Dr. Anna Latour<p>2/n Very much like this visualisation presented by Frank Phillipson (based on a fig from Caceres-Cruz et al., 2014) of solvers for optimisation problems. Might try to use this or something like it in the course on algorithm for NP-hard problems that I am involved in.</p><p><a href="https://mathstodon.xyz/tags/Algorithms" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Algorithms</span></a> <a href="https://mathstodon.xyz/tags/Algorithmics" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Algorithmics</span></a> <a href="https://mathstodon.xyz/tags/CombinatorialOptimisation" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>CombinatorialOptimisation</span></a> <a href="https://mathstodon.xyz/tags/CombinatorialOptimization" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>CombinatorialOptimization</span></a> <a href="https://mathstodon.xyz/tags/Optimisation" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Optimisation</span></a> <a href="https://mathstodon.xyz/tags/Optimization" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Optimization</span></a> <a href="https://mathstodon.xyz/tags/SIGAlgo" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>SIGAlgo</span></a> <a href="https://mathstodon.xyz/tags/SIGAlgo24" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>SIGAlgo24</span></a> <a href="https://mathstodon.xyz/tags/ComputerScience" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>ComputerScience</span></a></p>
IT News<p>The Performance Impact of C++’s `final` Keyword for Optimization - In the world of software development the term ‘optimization’ is generally reason f... - <a href="https://hackaday.com/2024/04/24/the-performance-impact-of-cs-final-keyword-for-optimization/" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">hackaday.com/2024/04/24/the-pe</span><span class="invisible">rformance-impact-of-cs-final-keyword-for-optimization/</span></a> <a href="https://schleuss.online/tags/softwaredevelopment" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>softwaredevelopment</span></a> <a href="https://schleuss.online/tags/optimisation" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>optimisation</span></a> <a href="https://schleuss.online/tags/software" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>software</span></a> <a href="https://schleuss.online/tags/c" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>c</span></a></p>