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Update SymuBeliefAndInfluence
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@lmorisse
lmorisse committed May 17, 2020
1 parent d576782 commit 5c86911
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Showing 17 changed files with 393 additions and 57 deletions.
16 changes: 8 additions & 8 deletions Symu examples/SymuBeliefsAndInfluence/Classes/ExampleEnvironment.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -27,10 +27,9 @@ namespace SymuBeliefsAndInfluence.Classes
{
public class ExampleEnvironment : SymuEnvironment
{
public byte KnowledgeCount { get; set; } = 2;
public byte WorkersCount { get; set; } = 5;
public byte InfluencersCount { get; set; } = 2;
public byte Knowledge { get; set; } = 0;
public byte KnowledgeCount { get; set; } = 2;
public List<Knowledge> Knowledges { get; private set; }
public List<InfluencerAgent> Influencers { get; } = new List<InfluencerAgent>();
public SimpleHumanTemplate InfluencerTemplate { get; } = new SimpleHumanTemplate();
Expand All @@ -54,15 +53,15 @@ public override void SetModelForAgents()
Organization.Models.InteractionSphere.RelativeActivityWeight = 0;
Organization.Models.InteractionSphere.RelativeKnowledgeWeight = 0.25F;
Organization.Models.InteractionSphere.SocialDemographicWeight = 0.25F;
// Knowledge
// KnowledgeCount are added for tasks initialization
// Adn Beliefs are created based on knowledge
Knowledges = new List<Knowledge>();
for (var i = 0; i < KnowledgeCount; i++)
{
// knowledge length of 10 is arbitrary in this example
var knowledge = new Knowledge((ushort)i, i.ToString(), 10);
WhitePages.Network.AddKnowledge(knowledge);
Knowledges.Add(knowledge);
//Beliefs are created based on knowledge
}
#endregion

Expand All @@ -77,12 +76,12 @@ public override void SetModelForAgents()
CommunicationMediums.Email;
InfluencerTemplate.Cognitive.KnowledgeAndBeliefs.HasInitialBelief = true;
InfluencerTemplate.Cognitive.InternalCharacteristics.InfluenceabilityRateMin = 0;
InfluencerTemplate.Cognitive.InternalCharacteristics.InfluenceabilityRateMax = 0.1F;
InfluencerTemplate.Cognitive.InternalCharacteristics.InfluenceabilityRateMax = 0;

for (var j = 0; j < InfluencersCount; j++)
{
var actor = new InfluencerAgent(Organization.NextEntityIndex(), this);
//Beliefs are added with knowledge
//Beliefs are added with knowledge based on DefaultBeliefLevel of the influencer cognitive template
SetKnowledge(actor, Knowledges);
Influencers.Add(actor);
agentIds.Add(actor.Id);
Expand All @@ -97,11 +96,12 @@ public override void SetModelForAgents()
WorkerTemplate.Cognitive.InteractionCharacteristics.PreferredCommunicationMediums =
CommunicationMediums.Email;
WorkerTemplate.Cognitive.InternalCharacteristics.InfluentialnessRateMin = 0;
WorkerTemplate.Cognitive.InternalCharacteristics.InfluentialnessRateMax = 0.1F;
WorkerTemplate.Cognitive.InternalCharacteristics.InfluentialnessRateMax = 0F;
WorkerTemplate.Cognitive.TasksAndPerformance.CanPerformTaskOnWeekEnds = true;
for (var j = 0; j < WorkersCount; j++)
{
var actor = new PersonAgent(Organization.NextEntityIndex(), this);
//Beliefs are added with knowledge
//Beliefs are added with knowledge based on DefaultBeliefLevel of the worker cognitive template
SetKnowledge(actor, Knowledges);
agentIds.Add(actor.Id);
}
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5 changes: 3 additions & 2 deletions Symu examples/SymuBeliefsAndInfluence/Home.cs
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Expand Up @@ -63,6 +63,7 @@ private void LoadSettings()

InfluencerBeliefLevel.Items.AddRange(BeliefLevelService.GetNames());
InfluencerBeliefLevel.SelectedItem = BeliefLevelService.GetName(OrganizationEntity.Templates.Human.Cognitive.KnowledgeAndBeliefs.DefaultBeliefLevel);
MandatoryRatio.Text = _environment.Model.MandatoryRatio.ToString();
}

protected override void SetUpOrganization()
Expand All @@ -89,7 +90,7 @@ private void Button1_Click(object sender, EventArgs e)
#region influencer
_environment.InfluencerTemplate.Cognitive.KnowledgeAndBeliefs.HasBelief = HasBeliefs.Checked;
_environment.InfluencerTemplate.Cognitive.MessageContent.CanSendBeliefs = CanSendBeliefs.Checked;
_environment.InfluencerTemplate.Cognitive.KnowledgeAndBeliefs.DefaultBeliefLevel= BeliefLevelService.GetValue(InfluencerBeliefLevel.SelectedText);
_environment.InfluencerTemplate.Cognitive.KnowledgeAndBeliefs.DefaultBeliefLevel= BeliefLevelService.GetValue(InfluencerBeliefLevel.SelectedItem.ToString());

#endregion

Expand Down Expand Up @@ -235,7 +236,7 @@ private void tbKnowledge_TextChanged(object sender, EventArgs e)
{
try
{
_environment.Knowledge = byte.Parse(tbKnowledge.Text);
_environment.KnowledgeCount = byte.Parse(tbKnowledge.Text);
tbKnowledge.BackColor = SystemColors.Window;
}
catch (FormatException)
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192 changes: 188 additions & 4 deletions Symu examples/SymuBeliefsAndInfluenceTests/IntegrationTests.cs
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Expand Up @@ -18,7 +18,9 @@
using SymuEngine.Common;
using SymuEngine.Engine;
using SymuEngine.Environment;
using SymuEngine.Repository.Networks.Beliefs;
using SymuEngine.Repository.Networks.Knowledges;
using SymuTools;

#endregion

Expand All @@ -31,7 +33,7 @@ namespace SymuBeliefsAndInfluenceTests
[TestClass]
public class IntegrationTests
{
private const int NumberOfSteps = 31; // 2 organizationFlexibility computations
private const int NumberOfSteps = 61; // 3 IterationResult computations
private readonly ExampleEnvironment _environment = new ExampleEnvironment();
private readonly OrganizationEntity _organization = new OrganizationEntity("1");
private readonly SimulationEngine _simulation = new SimulationEngine();
Expand All @@ -46,10 +48,192 @@ public void Initialize()
NumberOfSteps = NumberOfSteps
};
_simulation.AddScenario(scenario);
_environment.TimeStep.Type = TimeStepType.Daily;
_organization.Models.Generator = RandomGenerator.RandomUniform;


}
/// <summary>
/// No belief
/// </summary>
[TestMethod]
public void NoBeliefTest()
{
_environment.KnowledgeCount= 0;
_simulation.Process();
Assert.AreEqual(0, _environment.IterationResult.OrganizationKnowledgeAndBelief.Beliefs.First().Sum);
Assert.AreEqual(100, _environment.IterationResult.OrganizationFlexibility.Triads.First().Density);
}
/// <summary>
/// Agents don't have beliefs
/// </summary>
[TestMethod]
public void HasBeliefsTest()
{
_environment.InfluencerTemplate.Cognitive.KnowledgeAndBeliefs.HasBelief = false;
_environment.WorkerTemplate.Cognitive.KnowledgeAndBeliefs.HasBelief = false;
_simulation.Process();
Assert.AreEqual(0, _environment.IterationResult.OrganizationKnowledgeAndBelief.Beliefs.First().Sum);
Assert.AreEqual(100, _environment.IterationResult.OrganizationFlexibility.Triads.First().Density);
}
/// <summary>
/// No Influencers
/// </summary>
[TestMethod]
public void NoInfluencerTest()
{
_environment.InfluencersCount = 0;
_simulation.Process();
CheckNoChange();
}
/// <summary>
/// Influencers can't send beliefs
/// Belief should not change
/// </summary>
[TestMethod]
public void CantSendBeliefsTest()
{
_environment.InfluencerTemplate.Cognitive.MessageContent.CanSendBeliefs= false;
_simulation.Process();
CheckNoChange();
}
/// <summary>
/// Influencers don't have the minimum belief to send
/// Belief should not change
/// Strongly Disagree
/// </summary>
[TestMethod]
public void MinimumBeliefsToSendTest()
{
_environment.InfluencerTemplate.Cognitive.MessageContent.MinimumBeliefToSendPerBit= 1;
_environment.InfluencerTemplate.Cognitive.KnowledgeAndBeliefs.DefaultBeliefLevel = BeliefLevel.StronglyDisagree;
_simulation.Process();
CheckNoChange();
}
/// <summary>
/// Influencers have the minimum belief to send, but can't send any belief
/// Belief should not change
/// </summary>
[TestMethod]
public void BeliefBitsToSendTest()
{
_environment.InfluencerTemplate.Cognitive.MessageContent.MinimumNumberOfBitsOfBeliefToSend = 0;
_environment.InfluencerTemplate.Cognitive.MessageContent.MaximumNumberOfBitsOfBeliefToSend= 0;
_environment.InfluencerTemplate.Cognitive.KnowledgeAndBeliefs.DefaultBeliefLevel = BeliefLevel.StronglyDisagree;
_simulation.Process();
CheckNoChange();
}
/// <summary>
/// Influencers don't have the minimum belief to send
/// Belief should not change
/// Strongly agree
/// </summary>
[TestMethod]
public void MinimumBeliefsToSendTest2()
{
_environment.InfluencerTemplate.Cognitive.MessageContent.MinimumBeliefToSendPerBit = 1;
_environment.InfluencerTemplate.Cognitive.KnowledgeAndBeliefs.DefaultBeliefLevel = BeliefLevel.StronglyAgree;
_simulation.Process();
CheckNoChange();
}
/// <summary>
/// Worker can't receive beliefs
/// Belief should not change
/// </summary>
[TestMethod]
public void CantReceiveBeliefsTest()
{
_environment.WorkerTemplate.Cognitive.MessageContent.CanReceiveBeliefs = false;
_simulation.Process();
CheckNoChange();
}
/// <summary>
/// Influencers have no Influentialness
/// Belief should not change
/// </summary>
[TestMethod]
public void NoInfluentialnessTest()
{
_environment.InfluencerTemplate.Cognitive.InternalCharacteristics.InfluentialnessRateMax = 0;
_simulation.Process();
CheckNoChange();
}
/// <summary>
/// Workers have no influenceability
/// Belief should not change
/// </summary>
[TestMethod]
public void NoInfluenceabilityTest()
{
_environment.WorkerTemplate.Cognitive.InternalCharacteristics.InfluenceabilityRateMax = 0;
_simulation.Process();
CheckNoChange();
}

private void CheckNoChange()
{
Assert.AreEqual(_environment.IterationResult.OrganizationKnowledgeAndBelief.Beliefs.First().Sum,
_environment.IterationResult.OrganizationKnowledgeAndBelief.Beliefs.Last().Sum);
Assert.AreEqual(_environment.IterationResult.OrganizationFlexibility.Triads.First().Density,
_environment.IterationResult.OrganizationFlexibility.Triads.Last().Density);
}

[TestMethod]
public void NoTaskBlockedTest()
{
_environment.Model.MandatoryRatio = 0;
_simulation.Process();
CheckNoChange();
var tasksDoneRatio = _environment.TimeStep.Step * _environment.WorkersCount < Constants.Tolerance
? 0
: _environment.IterationResult.Tasks.Total * 100 /
(_environment.TimeStep.Step * _environment.WorkersCount);
Assert.AreEqual(100, tasksDoneRatio);
}
/// <summary>
/// Influencers strongly disagree
/// Belief should decrease
/// Triads should increase
/// </summary>
[TestMethod]
public void StronglyDisagreeTest()
{
_environment.InfluencerTemplate.Cognitive.InternalCharacteristics.InfluentialnessRateMax = 1;
_environment.InfluencerTemplate.Cognitive.InternalCharacteristics.InfluentialnessRateMin = 1;
_environment.InfluencerTemplate.Cognitive.KnowledgeAndBeliefs.DefaultBeliefLevel= BeliefLevel.StronglyDisagree;
_simulation.Process();
Assert.IsTrue(_environment.IterationResult.OrganizationKnowledgeAndBelief.Beliefs.First().Sum > _environment.IterationResult.OrganizationKnowledgeAndBelief.Beliefs.Last().Sum);
Assert.IsTrue(_environment.IterationResult.OrganizationKnowledgeAndBelief.Beliefs.First().Mean > _environment.IterationResult.OrganizationKnowledgeAndBelief.Beliefs.Last().Mean);
Assert.IsTrue(_environment.IterationResult.OrganizationFlexibility.Triads.First().Density < _environment.IterationResult.OrganizationFlexibility.Triads.Last().Density);
}

/// <summary>
/// Influencers strongly agree
/// Belief should increase
/// Triads should increase
/// </summary>
[TestMethod]
public void StronglyAgreeTest()
{
_environment.InfluencerTemplate.Cognitive.InternalCharacteristics.InfluentialnessRateMax = 1;
_environment.InfluencerTemplate.Cognitive.InternalCharacteristics.InfluentialnessRateMin = 1;
_environment.InfluencerTemplate.Cognitive.KnowledgeAndBeliefs.DefaultBeliefLevel = BeliefLevel.StronglyAgree;
_simulation.Process();
Assert.IsTrue(_environment.IterationResult.OrganizationKnowledgeAndBelief.Beliefs.First().Sum < _environment.IterationResult.OrganizationKnowledgeAndBelief.Beliefs.Last().Sum);
Assert.IsTrue(_environment.IterationResult.OrganizationKnowledgeAndBelief.Beliefs.First().Mean < _environment.IterationResult.OrganizationKnowledgeAndBelief.Beliefs.Last().Mean);
Assert.IsTrue(_environment.IterationResult.OrganizationFlexibility.Triads.First().Density < _environment.IterationResult.OrganizationFlexibility.Triads.Last().Density);
}

/// <summary>
/// Influencers strongly agree
/// Belief should increase
/// Triads should increase
/// </summary>
[TestMethod]
public void NeitherAgreeNorDisagreeTest()
{
_environment.InfluencerTemplate.Cognitive.InternalCharacteristics.InfluentialnessRateMax = 1;
_environment.InfluencerTemplate.Cognitive.InternalCharacteristics.InfluentialnessRateMin = 1;
_environment.InfluencerTemplate.Cognitive.KnowledgeAndBeliefs.DefaultBeliefLevel = BeliefLevel.NeitherAgreeNorDisagree;
_simulation.Process();
CheckNoChange();
}
}
}
7 changes: 6 additions & 1 deletion Symu source code/SymuEngine/Classes/Agents/Agent.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -927,7 +927,7 @@ public Bits FilterKnowledgeToSend(ushort knowledgeId, byte knowledgeBit, Communi
public Bits FilterBeliefToSend(ushort beliefId, byte beliefBit, CommunicationTemplate channel)
{
// If don't have belief, can't send belief or no belief asked
if (!Cognitive.KnowledgeAndBeliefs.HasBelief || !Cognitive.MessageContent.CanSendBeliefs || beliefId == 0)
if (!Cognitive.KnowledgeAndBeliefs.HasBelief || !Cognitive.MessageContent.CanSendBeliefs)// || beliefId == 0)
{
return null;
}
Expand Down Expand Up @@ -1345,6 +1345,11 @@ public virtual void GetNewTasks()
/// <remarks>Don't use TaskProcessor.Post directly to handle the OnBeforeTaskPost event</remarks>
public void Post(SymuTask task)
{
if (task == null)
{
throw new ArgumentNullException(nameof(task));
}

OnBeforePostTask(task);
if (!task.IsBlocked)
{
Expand Down
13 changes: 7 additions & 6 deletions ...ce code/SymuEngine/Classes/Agents/Models/CognitiveArchitecture/InternalCharacteristics.cs
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Expand Up @@ -310,14 +310,15 @@ public float NextInfluenceability()
/// <param name="beliefLevel"></param>
public void Learn(ushort beliefId, Bits beliefBits, AgentId agentId, BeliefLevel beliefLevel)
{
if (beliefId == 0 || beliefBits == null)
{
return;
}
//if (beliefId == 0 || beliefBits == null)
//{
// return;
//}

if (beliefId > 0 && beliefBits == null)
if ( beliefBits == null)// && beliefId > 0)
{
throw new ArgumentNullException(nameof(beliefBits));
return;
//throw new ArgumentNullException(nameof(beliefBits));
}

// Learning From agent
Expand Down
4 changes: 3 additions & 1 deletion ...source code/SymuEngine/Classes/Agents/Models/CognitiveArchitecture/KnowledgeAndBeliefs.cs
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Expand Up @@ -52,6 +52,7 @@ public void CopyTo(KnowledgeAndBeliefs knowledgeAndBeliefs)
knowledgeAndBeliefs.HasKnowledge = HasKnowledge;
knowledgeAndBeliefs.KnowledgeThreshHoldForDoing = KnowledgeThreshHoldForDoing;
knowledgeAndBeliefs.HasInitialBelief = HasInitialBelief;
knowledgeAndBeliefs.DefaultBeliefLevel = DefaultBeliefLevel;
knowledgeAndBeliefs.HasBelief = HasBelief;
knowledgeAndBeliefs.BeliefThreshHoldForReacting = BeliefThreshHoldForReacting;
}
Expand Down Expand Up @@ -243,10 +244,11 @@ public void AddKnowledge(Knowledge knowledge, KnowledgeLevel level, float minimu
/// Get the agent Beliefs
/// </summary>
public AgentBeliefs Beliefs => HasBelief ? _network.NetworkBeliefs.GetAgentBeliefs(_id) : null;

/// <summary>
/// Default belief level use to create new belief during simulation
/// </summary>
public BeliefLevel DefaultBeliefLevel { get; set; }
public BeliefLevel DefaultBeliefLevel { get; set; } = BeliefLevel.NeitherAgreeNorDisagree;

/// <summary>
/// Initialize the beliefs of the agent based on the belief network
Expand Down
4 changes: 4 additions & 0 deletions Symu source code/SymuEngine/Classes/Agents/Models/CognitiveArchitecture/MessageContent.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -263,6 +263,10 @@ public Bits GetFilteredBeliefToSend(AgentBelief agentBelief, byte beliefBit, Com
var minKnowledge = Math.Max(MinimumBeliefToSendPerBit,
medium.Cognitive.MessageContent.MinimumBeliefToSendPerBit);
// Random knowledgeBits to send
if (minBits > maxBits)
{
minBits = maxBits ;
}
var lengthToSend = DiscreteUniform.SampleToByte(minBits, maxBits);
if (lengthToSend == 0)
{
Expand Down
1 change: 1 addition & 0 deletions ...source code/SymuEngine/Classes/Agents/Models/CognitiveArchitecture/TasksAndPerformance.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -74,6 +74,7 @@ public void CopyTo(TasksAndPerformance tasksAndPerformance)
TasksLimit.CopyTo(tasksAndPerformance.TasksLimit);
}


#region Agent Learning

public ModelEntity LearningModel { get; set; } = new ModelEntity();
Expand Down

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