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Ondrej Skopek's profile photo
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How to run OptaPlanner on Android, by Tomáš David.
Try the app from the Google Play store:
  https://play.google.com/store/apps/details?id=org.tomasdavid.vehicleroutingproblem
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Geoffrey De Smet's profile photoMichael Anstis's profile photo
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A French blog post about Frederic's and Geoffrey's talk at #DevoxxFr
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Vous souvenez-vous, durant vos folles années d'étudiant, avoir été confrontés, lors d'un cours d'algorithme, au problème du voyageur de commerce ? (Rappelez-vous, Il s'agit pour un voyageur de commerce, de trouver le plus court chemin passant par un ensemble de villes à visiter).
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New Blog: Visualizing an #OptaPlanner Vehicle Routing solution with Leaflet (OpenStreetMaps) and Google Maps
http://www.optaplanner.org/blog/2015/03/10/VisualizingVehicleRoutingWithLeafletAndGoogleMaps.html
After OptaPlanner finds the best solution for a Vehicle Routing Problem, users usually want to see it on a real map, such as Google Maps or OpenStreetMap. The optaplanner-webexamples.war for OptaPlanner 6.3 now demonstrates that. Visualization In the case below, I’ve solved a VRP problem with 50 locations and 8 vehicles and projected the best...
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Scaling the Vehicle Routing Problem above 1000 customers with Nearby Selection in OptaPlanner 6.2.
#orms #vrp #OptaPlanner
OptaPlanner 6.2 has made big step forward for the Vehicle Routing Problem (VRP), Traveling Salesman Problem (TSP) and similar use cases. The new feature nearby selection enables it to scale to bigger problems much more efficiently without sacrificing potential optimal solutions (which is common for inferior techniques). Let’s take a closer look at nearby...
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Bilgin Ibryam's profile photo
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OptaPlanner

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Investment portfolio optimization with #OptaPlanner
Increase expected return of your investments under your desired risk, sector and region limits.
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OptaPlanner 6.3.0.Beta1 released
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Red Hat now offers full support for OptaPlanner under the support subscription Business Resource Planner which is part of the BRMS and BPM Suite subscriptions.
For more information, read the press release:
http://www.redhat.com/en/about/press-releases/red-hat-helps-enterprises-optimize-complex-planning-and-scheduling-challenges-new-business-resource-planner
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Doron Fe's profile photoMaggie Hu's profile photo
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OptaPlanner 6.2.0.Final released!
- Giant leap for the Vehicle Routing Problem (Nearby Selection, TailChainSwapMove, shadow variable efficiency)
- Strategic Oscillation Tabu Search
- New example: Cheap time scheduling
- New benchmarker statistics
- and more
http://www.optaplanner.org/download/releaseNotes/releaseNotes6.2.html
New and noteworthy, demo's and status for OptaPlanner 6.2.
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Nishiwaki Kiyoyuki's profile photoGeoffrey De Smet's profile photo
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New blog post
 
How fast is logging in #java?
What's the impact of logging levels and console/file appenders?
What’s the cost of trace/debug logging in production? What’s the performance cost of logging to a file? In these benchmarks, I compare the performance impact of logging levels (error, warn, info, debug, trace) and logging appenders (console appender, file appender) on several realistic OptaPlanner use cases. Benchmark methodology Logging implementation: SFL4J 1.7.2 with Logback 1.0.9...
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JBoss Community Asylum, a podcast about, for and by The JBoss Community
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In their circles
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Have them in circles
333 people
Bilgin Ibryam's profile photo
Elena Lafuente's profile photo
Donghun Kim's profile photo
Drools's profile photo
Pervaiz Khan's profile photo
Michael Ma's profile photo
Tommy Odom's profile photo
Hitchcock Green's profile photo
Alessandro Lazarotti's profile photo
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Do more business with less resources
Introduction
Optimizes planning problems (Java, open source, ASL) with heuristics and metaheuristics for normal Java developers.

Included algorithms:
  • Tabu Search
  • Simulated Annealing
  • Late Acceptance
  • First Fit (Decreasing)
  • Best Fit (Decreasing)
  • ...