#
# ChangeLog for /
#
# Generated by Trac 1.0.12
# 11/28/24 02:22:18

Tue, 16 Jun 2009 07:51:33 GMT gkronber [2049]
	* trunk/sources/HeuristicLab.CEDMA.Server/3.3/SimpleDispatcher.cs (modified)

	Fixed a bug that is triggered when the results DB is still empty.
	#656


Tue, 16 Jun 2009 07:45:08 GMT gkronber [2048]
	* trunk/sources/HeuristicLab.CEDMA.Server/3.3/ExecuterBase.cs (modified)

	Fixed compile error (introduced with r2047). #644


Tue, 16 Jun 2009 07:42:50 GMT gkronber [2047]
	* trunk/sources/HeuristicLab.CEDMA.Charting/3.3/BubbleChart.cs (modified)
	* trunk/sources/HeuristicLab.CEDMA.Core/3.3/Console.cs (modified)
	* trunk/sources/HeuristicLab.CEDMA.Core/3.3/DataSet.cs (modified)
	* trunk/sources/HeuristicLab.CEDMA.Core/3.3/Results.cs (modified)
	* trunk/sources/HeuristicLab.CEDMA.Core/3.3/TableResultsView.cs (modified)
	* trunk/sources/HeuristicLab.CEDMA.DB.Interfaces/3.3/Ontology.cs (modified)
	* trunk/sources/HeuristicLab.CEDMA.Server/3.3/DispatcherBase.cs (modified)
	* trunk/sources/HeuristicLab.CEDMA.Server/3.3/ExecuterBase.cs (modified)
	* trunk/sources/HeuristicLab.CEDMA.Server/3.3/SimpleDispatcher.cs (modified)

	Improved schema for variable impacts. #644


Tue, 16 Jun 2009 01:36:48 GMT swagner [2046]
	* branches/Operator Architecture Refactoring/HeuristicLab.Core/3.3/AliasEventArgs.cs (deleted)
	* branches/Operator Architecture Refactoring/HeuristicLab.Core/3.3/CallGraph.cs (modified)
	* branches/Operator Architecture Refactoring/HeuristicLab.Core/3.3/CallGraphView.Designer.cs (added)
	* branches/Operator Architecture Refactoring/HeuristicLab.Core/3.3/CallGraphView.cs (added)
	* branches/Operator Architecture Refactoring/HeuristicLab.Core/3.3/CallGraphView.resx (added)
	* branches/Operator Architecture Refactoring/HeuristicLab.Core/3.3/CallNode.cs (deleted)
	* branches/Operator Architecture Refactoring/HeuristicLab.Core/3.3/CallNodeBase.cs (added)
	* branches/Operator Architecture Refactoring/HeuristicLab.Core/3.3/CancelEventArgs.cs (added)
	* branches/Operator Architecture Refactoring/HeuristicLab.Core/3.3/Cloner.cs (modified)
	* branches/Operator Architecture Refactoring/HeuristicLab.Core/3.3/EngineBase.cs (modified)
	* branches/Operator Architecture Refactoring/HeuristicLab.Core/3.3/EventArgs.cs (added)
	* branches/Operator Architecture Refactoring/HeuristicLab.Core/3.3/ExceptionEventArgs.cs (deleted)
	* branches/Operator Architecture Refactoring/HeuristicLab.Core/3.3/HeuristicLab.Core-3.3.csproj (modified)
	* branches/Operator Architecture Refactoring/HeuristicLab.Core/3.3/Interfaces/ICallGraph.cs (modified)
	* branches/Operator Architecture Refactoring/HeuristicLab.Core/3.3/Interfaces/ICallNode.cs (modified)
	* branches/Operator Architecture Refactoring/HeuristicLab.Core/3.3/Interfaces/IEngine.cs (modified)
	* branches/Operator Architecture Refactoring/HeuristicLab.Core/3.3/Interfaces/IOperator.cs (modified)
	* branches/Operator Architecture Refactoring/HeuristicLab.Core/3.3/Interfaces/IOperatorGraph.cs (modified)
	* branches/Operator Architecture Refactoring/HeuristicLab.Core/3.3/Interfaces/IParameter.cs (modified)
	* branches/Operator Architecture Refactoring/HeuristicLab.Core/3.3/Interfaces/IScope.cs (modified)
	* branches/Operator Architecture Refactoring/HeuristicLab.Core/3.3/Interfaces/IVariable.cs (modified)
	* branches/Operator Architecture Refactoring/HeuristicLab.Core/3.3/ItemEventArgs.cs (deleted)
	* branches/Operator Architecture Refactoring/HeuristicLab.Core/3.3/ItemIndexEventArgs.cs (deleted)
	* branches/Operator Architecture Refactoring/HeuristicLab.Core/3.3/KeyValueEventArgs.cs (deleted)
	* branches/Operator Architecture Refactoring/HeuristicLab.Core/3.3/NameChangingEventArgs.cs (deleted)
	* branches/Operator Architecture Refactoring/HeuristicLab.Core/3.3/OperationEventArgs.cs (deleted)
	* branches/Operator Architecture Refactoring/HeuristicLab.Core/3.3/OperatorBase.cs (modified)
	* branches/Operator Architecture Refactoring/HeuristicLab.Core/3.3/OperatorCallNode.cs (added)
	* branches/Operator Architecture Refactoring/HeuristicLab.Core/3.3/OperatorEventArgs.cs (deleted)
	* branches/Operator Architecture Refactoring/HeuristicLab.Core/3.3/OperatorGraph.cs (modified)
	* branches/Operator Architecture Refactoring/HeuristicLab.Core/3.3/OperatorIndexEventArgs.cs (deleted)
	* branches/Operator Architecture Refactoring/HeuristicLab.Core/3.3/ParameterEventArgs.cs (deleted)
	* branches/Operator Architecture Refactoring/HeuristicLab.Core/3.3/Scope.cs (modified)
	* branches/Operator Architecture Refactoring/HeuristicLab.Core/3.3/ScopeEventArgs.cs (deleted)
	* branches/Operator Architecture Refactoring/HeuristicLab.Core/3.3/ScopeIndexEventArgs.cs (deleted)
	* branches/Operator Architecture Refactoring/HeuristicLab.Core/3.3/Variable.cs (modified)
	* branches/Operator Architecture Refactoring/HeuristicLab.Core/3.3/VariableEventArgs.cs (deleted)
	* branches/Operator Architecture Refactoring/HeuristicLab.Core/3.3/VariableInfoEventArgs.cs (deleted)

	Refactoring of the operator architecture (#95)


Mon, 15 Jun 2009 15:30:45 GMT gkronber [2045]
	* trunk/sources/HeuristicLab.CEDMA.DB.Interfaces/3.3/Ontology.cs (modified)
	* trunk/sources/HeuristicLab.CEDMA.Server/3.3/ExecuterBase.cs (modified)
	* trunk/sources/HeuristicLab.Modeling/3.2/Model.cs (modified)

	Added code to store variable quality impacts for each model into the ...


Mon, 15 Jun 2009 14:48:24 GMT gkronber [2044]
	* trunk/sources/HeuristicLab.SupportVectorMachines/3.2/SupportVectorRegression.cs (modified)

	Fixed a minor issue introduced with r2043. #644


Mon, 15 Jun 2009 14:46:25 GMT gkronber [2043]
	* trunk/sources/HeuristicLab.GP.StructureIdentification/3.3/Evaluators/VariableEvaluationImpactCalculator.cs (modified)
	* trunk/sources/HeuristicLab.GP.StructureIdentification/3.3/Evaluators/VariableQualityImpactCalculator.cs (modified)
	* trunk/sources/HeuristicLab.Modeling/3.2/VariableEvaluationImpactCalculator.cs (modified)
	* trunk/sources/HeuristicLab.Modeling/3.2/VariableImpactCalculatorBase.cs (modified)
	* trunk/sources/HeuristicLab.Modeling/3.2/VariableQualityImpactCalculator.cs (modified)
	* trunk/sources/HeuristicLab.SupportVectorMachines/3.2/HeuristicLab.SupportVectorMachines-3.2.csproj (modified)
	* trunk/sources/HeuristicLab.SupportVectorMachines/3.2/HeuristicLabSupportVectorMachinesPlugin.cs (modified)
	* trunk/sources/HeuristicLab.SupportVectorMachines/3.2/SupportVectorEvaluator.cs (modified)
	* trunk/sources/HeuristicLab.SupportVectorMachines/3.2/SupportVectorRegression.cs (modified)
	* trunk/sources/HeuristicLab.SupportVectorMachines/3.2/VariableEvaluationImpactCalculator.cs (copied)
	* trunk/sources/HeuristicLab.SupportVectorMachines/3.2/VariableQualityImpactCalculator.cs (copied)

	Added variable impact calculation operators for support vector ...


Mon, 15 Jun 2009 00:18:42 GMT swagner [2042]
	* branches/Operator Architecture Refactoring/HeuristicLab.Core/3.3/AtomicOperation.cs (modified)
	* branches/Operator Architecture Refactoring/HeuristicLab.Core/3.3/Auxiliary.cs (modified)
	* branches/Operator Architecture Refactoring/HeuristicLab.Core/3.3/CloneableBase.cs (modified)
	* branches/Operator Architecture Refactoring/HeuristicLab.Core/3.3/Cloner.cs (added)
	* branches/Operator Architecture Refactoring/HeuristicLab.Core/3.3/CompositeOperation.cs (modified)
	* branches/Operator Architecture Refactoring/HeuristicLab.Core/3.3/EngineBase.cs (modified)
	* branches/Operator Architecture Refactoring/HeuristicLab.Core/3.3/HeuristicLab.Core-3.3.csproj (modified)
	* branches/Operator Architecture Refactoring/HeuristicLab.Core/3.3/Interfaces/ICloneable.cs (modified)
	* branches/Operator Architecture Refactoring/HeuristicLab.Core/3.3/Interfaces/ICloner.cs (added)
	* branches/Operator Architecture Refactoring/HeuristicLab.Core/3.3/Interfaces/IOperator.cs (modified)
	* branches/Operator Architecture Refactoring/HeuristicLab.Core/3.3/Interfaces/IScope.cs (modified)
	* branches/Operator Architecture Refactoring/HeuristicLab.Core/3.3/OperatorBase.cs (modified)
	* branches/Operator Architecture Refactoring/HeuristicLab.Core/3.3/OperatorGraph.cs (modified)
	* branches/Operator Architecture Refactoring/HeuristicLab.Core/3.3/OperatorGroup.cs (modified)
	* branches/Operator Architecture Refactoring/HeuristicLab.Core/3.3/OperatorLibrary.cs (modified)
	* branches/Operator Architecture Refactoring/HeuristicLab.Core/3.3/Parameter.cs (modified)
	* branches/Operator Architecture Refactoring/HeuristicLab.Core/3.3/ParameterEventArgs.cs (added)
	* branches/Operator Architecture Refactoring/HeuristicLab.Core/3.3/Scope.cs (modified)
	* branches/Operator Architecture Refactoring/HeuristicLab.Core/3.3/Variable.cs (modified)
	* branches/Operator Architecture Refactoring/HeuristicLab.Core/3.3/VariableInfo.cs (modified)

	Refactoring of the operator architecture (#95)


Wed, 10 Jun 2009 17:05:34 GMT gkronber [2041]
	* trunk/sources/HeuristicLab.GP.StructureIdentification/3.3/AlgorithmBase.cs (modified)
	* trunk/sources/HeuristicLab.GP.StructureIdentification/3.3/Evaluators/SimpleEvaluator.cs (modified)
	* trunk/sources/HeuristicLab.GP.StructureIdentification/3.3/Evaluators/VariableEvaluationImpactCalculator.cs (added)
	* trunk/sources/HeuristicLab.GP.StructureIdentification/3.3/Evaluators/VariableQualityImpactCalculator.cs (added)
	* trunk/sources/HeuristicLab.GP.StructureIdentification/3.3/HeuristicLab.GP.StructureIdentification-3.3.csproj (modified)
	* trunk/sources/HeuristicLab.Modeling/3.2/HeuristicLab.Modeling-3.2.csproj (modified)
	* trunk/sources/HeuristicLab.Modeling/3.2/IModel.cs (modified)
	* trunk/sources/HeuristicLab.Modeling/3.2/Model.cs (modified)
	* trunk/sources/HeuristicLab.Modeling/3.2/VariableEvaluationImpactCalculator.cs (added)
	* trunk/sources/HeuristicLab.Modeling/3.2/VariableImpactCalculatorBase.cs (added)
	* trunk/sources/HeuristicLab.Modeling/3.2/VariableQualityImpactCalculator.cs (modified)

	Implemented base classes for variable impact analysis and implemented ...


Wed, 10 Jun 2009 15:14:04 GMT dwagner [2040]
	* trunk/sources/HeuristicLab.Visualization/3.2/AvgAggregator.cs (modified)
	* trunk/sources/HeuristicLab.Visualization/3.2/AvgLineAggregator.cs (modified)
	* trunk/sources/HeuristicLab.Visualization/3.2/DataRow.cs (modified)
	* trunk/sources/HeuristicLab.Visualization/3.2/DataRowBase.cs (modified)
	* trunk/sources/HeuristicLab.Visualization/3.2/FloatingAvgAggregator.cs (modified)
	* trunk/sources/HeuristicLab.Visualization/3.2/HeuristicLab.Visualization-3.2.csproj (modified)
	* trunk/sources/HeuristicLab.Visualization/3.2/IDataRow.cs (modified)
	* trunk/sources/HeuristicLab.Visualization/3.2/MaxAggregator.cs (modified)
	* trunk/sources/HeuristicLab.Visualization/3.2/MinAggregator.cs (modified)
	* trunk/sources/HeuristicLab.Visualization/3.2/Options/AddLineDialog.Designer.cs (added)
	* trunk/sources/HeuristicLab.Visualization/3.2/Options/AddLineDialog.cs (added)
	* trunk/sources/HeuristicLab.Visualization/3.2/Options/AddLineDialog.resx (added)
	* trunk/sources/HeuristicLab.Visualization/3.2/Options/Options.Designer.cs (modified)
	* trunk/sources/HeuristicLab.Visualization/3.2/Options/Options.cs (modified)

	dw: Added new dialog for adding lines using the options dialog.
	(#478)


Wed, 10 Jun 2009 08:49:12 GMT gkronber [2039]
	* trunk/sources/HeuristicLab.DataAnalysis/3.2/DatasetShuffler.cs (modified)

	Improved speed of dataset shuffler (related to r2038) #612 ...


Wed, 10 Jun 2009 08:46:56 GMT gkronber [2038]
	* trunk/sources/HeuristicLab.DataAnalysis/3.2/Dataset.cs (modified)
	* trunk/sources/HeuristicLab.GP.StructureIdentification/3.3/Evaluators/GPEvaluatorBase.cs (modified)
	* trunk/sources/HeuristicLab.Modeling/3.2/HeuristicLab.Modeling-3.2.csproj (modified)
	* trunk/sources/HeuristicLab.Modeling/3.2/VariableQualityImpactCalculator.cs (moved)

	* Renamed `VariableImpactCalculator` to ...


Tue, 09 Jun 2009 15:15:47 GMT epitzer [2037]
	* trunk/sources/HeuristicLab.Persistence/3.3/Default/Xml/XmlGenerator.cs (modified)

	Don't take ownership of underlying stream. (#672)


Tue, 09 Jun 2009 12:38:46 GMT gkronber [2036]
	* trunk/sources/HeuristicLab.SupportVectorMachines/3.2/SupportVectorCreator.cs (modified)
	* trunk/sources/HeuristicLab.SupportVectorMachines/3.2/SupportVectorEvaluator.cs (modified)

	Removed commented code fragments. #624


Tue, 09 Jun 2009 12:37:21 GMT gkronber [2035]
	* trunk/sources/HeuristicLab.sln (modified)

	Renamed configuration "GP Debug" -> "Modeling Debug". #542 (Keep ...


Tue, 09 Jun 2009 12:34:56 GMT gkronber [2034]
	* trunk/sources/HeuristicLab.GP.StructureIdentification.Classification/3.3/MulticlassOneVsOneAnalyzer.cs (modified)
	* trunk/sources/HeuristicLab.GP.StructureIdentification/3.3/AlgorithmBase.cs (modified)
	* trunk/sources/HeuristicLab.GP.StructureIdentification/3.3/Evaluators/EarlyStoppingMeanSquaredErrorEvaluator.cs (modified)
	* trunk/sources/HeuristicLab.GP.StructureIdentification/3.3/Evaluators/GPEvaluatorBase.cs (modified)
	* trunk/sources/HeuristicLab.GP.StructureIdentification/3.3/Evaluators/UncertainMeanSquaredErrorEvaluator.cs (modified)
	* trunk/sources/HeuristicLab.GP.StructureIdentification/3.3/HL2TreeEvaluatorInjector.cs (deleted)
	* trunk/sources/HeuristicLab.GP.StructureIdentification/3.3/HeuristicLab.GP.StructureIdentification-3.3.csproj (modified)
	* trunk/sources/HeuristicLab.GP.StructureIdentification/3.3/ITreeEvaluator.cs (modified)
	* trunk/sources/HeuristicLab.GP.StructureIdentification/3.3/TreeEvaluatorBase.cs (modified)
	* trunk/sources/HeuristicLab.GP.StructureIdentification/3.3/TreeEvaluatorInjector.cs (deleted)
	* trunk/sources/HeuristicLab.Logging/3.2/BestSolutionStorer.cs (modified)
	* trunk/sources/HeuristicLab.Modeling/3.2/HeuristicLab.Modeling-3.2.csproj (modified)
	* trunk/sources/HeuristicLab.Modeling/3.2/IModel.cs (modified)
	* trunk/sources/HeuristicLab.Modeling/3.2/Model.cs (modified)
	* trunk/sources/HeuristicLab.Modeling/3.2/VariableImpactCalculator.cs (added)

	Implemented a first version of an operator to calculate variable ...


Mon, 08 Jun 2009 22:57:49 GMT swagner [2033]
	* branches/Operator Architecture Refactoring/HeuristicLab.AdvancedOptimizationFrontend/3.3/MainForm.cs (modified)
	* branches/Operator Architecture Refactoring/HeuristicLab.Core/3.3/AtomicOperation.cs (modified)
	* branches/Operator Architecture Refactoring/HeuristicLab.Core/3.3/Auxiliary.cs (modified)
	* branches/Operator Architecture Refactoring/HeuristicLab.Core/3.3/CallGraph.cs (added)
	* branches/Operator Architecture Refactoring/HeuristicLab.Core/3.3/CallNode.cs (added)
	* branches/Operator Architecture Refactoring/HeuristicLab.Core/3.3/CloneableBase.cs (moved)
	* branches/Operator Architecture Refactoring/HeuristicLab.Core/3.3/CompositeOperation.cs (modified)
	* branches/Operator Architecture Refactoring/HeuristicLab.Core/3.3/ConstrainedItemBase.cs (deleted)
	* branches/Operator Architecture Refactoring/HeuristicLab.Core/3.3/ConstrainedItemBaseView.Designer.cs (deleted)
	* branches/Operator Architecture Refactoring/HeuristicLab.Core/3.3/ConstrainedItemBaseView.cs (deleted)
	* branches/Operator Architecture Refactoring/HeuristicLab.Core/3.3/ConstrainedItemBaseView.resx (deleted)
	* branches/Operator Architecture Refactoring/HeuristicLab.Core/3.3/ConstraintEventArgs.cs (deleted)
	* branches/Operator Architecture Refactoring/HeuristicLab.Core/3.3/EngineBase.cs (modified)
	* branches/Operator Architecture Refactoring/HeuristicLab.Core/3.3/HeuristicLab.Core-3.3.csproj (modified)
	* branches/Operator Architecture Refactoring/HeuristicLab.Core/3.3/Interfaces/ICallGraph.cs (added)
	* branches/Operator Architecture Refactoring/HeuristicLab.Core/3.3/Interfaces/ICallNode.cs (added)
	* branches/Operator Architecture Refactoring/HeuristicLab.Core/3.3/Interfaces/ICloneable.cs (moved)
	* branches/Operator Architecture Refactoring/HeuristicLab.Core/3.3/Interfaces/IConstrainedItem.cs (deleted)
	* branches/Operator Architecture Refactoring/HeuristicLab.Core/3.3/Interfaces/IConstraint.cs (deleted)
	* branches/Operator Architecture Refactoring/HeuristicLab.Core/3.3/Interfaces/IItem.cs (modified)
	* branches/Operator Architecture Refactoring/HeuristicLab.Core/3.3/Interfaces/IOperator.cs (modified)
	* branches/Operator Architecture Refactoring/HeuristicLab.Core/3.3/Interfaces/IOperatorGraph.cs (modified)
	* branches/Operator Architecture Refactoring/HeuristicLab.Core/3.3/Interfaces/IOperatorGroup.cs (modified)
	* branches/Operator Architecture Refactoring/HeuristicLab.Core/3.3/Interfaces/IParameter.cs (added)
	* branches/Operator Architecture Refactoring/HeuristicLab.Core/3.3/Interfaces/IScope.cs (modified)
	* branches/Operator Architecture Refactoring/HeuristicLab.Core/3.3/Interfaces/IViewable.cs (modified)
	* branches/Operator Architecture Refactoring/HeuristicLab.Core/3.3/ItemBase.cs (modified)
	* branches/Operator Architecture Refactoring/HeuristicLab.Core/3.3/OperatorBase.cs (modified)
	* branches/Operator Architecture Refactoring/HeuristicLab.Core/3.3/OperatorBaseView.Designer.cs (modified)
	* branches/Operator Architecture Refactoring/HeuristicLab.Core/3.3/OperatorBaseView.cs (modified)
	* branches/Operator Architecture Refactoring/HeuristicLab.Core/3.3/OperatorGraph.cs (modified)
	* branches/Operator Architecture Refactoring/HeuristicLab.Core/3.3/OperatorGraphView.cs (modified)
	* branches/Operator Architecture Refactoring/HeuristicLab.Core/3.3/OperatorGroup.cs (modified)
	* branches/Operator Architecture Refactoring/HeuristicLab.Core/3.3/OperatorLibrary.cs (modified)
	* branches/Operator Architecture Refactoring/HeuristicLab.Core/3.3/Parameter.cs (added)
	* branches/Operator Architecture Refactoring/HeuristicLab.Core/3.3/ParameterType.cs (added)
	* branches/Operator Architecture Refactoring/HeuristicLab.Core/3.3/ParameterView.Designer.cs (added)
	* branches/Operator Architecture Refactoring/HeuristicLab.Core/3.3/ParameterView.cs (added)
	* branches/Operator Architecture Refactoring/HeuristicLab.Core/3.3/ParameterView.resx (added)
	* branches/Operator Architecture Refactoring/HeuristicLab.Core/3.3/PersistenceManager.cs (modified)
	* branches/Operator Architecture Refactoring/HeuristicLab.Core/3.3/Scope.cs (modified)
	* branches/Operator Architecture Refactoring/HeuristicLab.Core/3.3/Variable.cs (modified)
	* branches/Operator Architecture Refactoring/HeuristicLab.Core/3.3/VariableInfo.cs (modified)
	* branches/Operator Architecture Refactoring/HeuristicLab.OptimizationFrontend/3.3/MainForm.cs (modified)
	* branches/Operator Architecture Refactoring/HeuristicLab.ThreadParallelEngine/3.3/ThreadParallelEngine.cs (modified)

	Refactoring of the operator architecture (#95)


Mon, 08 Jun 2009 16:34:28 GMT gkronber [2032]
	* trunk/sources/HeuristicLab.Hive.Engine/3.2/HeuristicLab.Hive.Engine-3.2.csproj (modified)
	* trunk/sources/HeuristicLab.Hive.Engine/3.2/HeuristicLabHiveEnginePlugin.cs (modified)
	* trunk/sources/HeuristicLab.Hive.Engine/3.2/HiveEngine.cs (modified)
	* trunk/sources/HeuristicLab.Hive.Engine/3.2/HiveEngineEditor.Designer.cs (modified)
	* trunk/sources/HeuristicLab.Hive.Engine/3.2/HiveEngineEditor.cs (modified)

	Worked on asynchronous result polling in `HiveEngine`. #545 (Engine ...


Mon, 08 Jun 2009 11:01:52 GMT gkronber [2031]
	* trunk/sources/HeuristicLab.Tracing/3.2/Properties/AssemblyInfo.frame (modified)

	fixed #671 (Plugin HeuristicLab.Tracing-3.2 has incorrect build date)


Mon, 08 Jun 2009 00:02:21 GMT swagner [2030]
	* branches/Operator Architecture Refactoring/HeuristicLab.Core/3.2/Interfaces/IParameter.cs (modified)
	* branches/Operator Architecture Refactoring/HeuristicLab.Core/3.2/Parameter.cs (modified)
	* branches/Operator Architecture Refactoring/HeuristicLab.Core/3.2/ParameterView.cs (modified)

	Refactoring of the Operator Architecture (#95)