pdf - 395 K - Ecole des mines de Nantes

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UAData}}Monitor.Exit(data);SendDenial();// LOCK OFF onlong enoughgap// Checks that the last Message sent to the UserAgent was sent// ago to be sure that it has arrivedprivate bool CheckIdleTime(DateTime timestamp){TimeSpan gap = DateTime.Now.Subtract(timestamp);// Sent since a time that is greater than the security}return gap.CompareTo(SecurityGap) > 0;private void SendConfirmation(){Message m = new Message(agent.GetId(), message.Sender,Message.Natures.Inform,Subjects.TerminationAccepted);conversation.SendAndClose(m);}}}private void SendDenial(){Message m = new Message(agent.GetId(), message.Sender,Message.Natures.Inform, "Deny termination");conversation.SendAndClose(m);}17. Class Architecture.UAMakerAg – User AgentMakerusing System;using System.Threading;using MAP;namespace Architecture{/// /// Plays the role of a factory for UserAgents./// public class UAMakerAg : Agent{public static readonly string SERVICE = "User_agent_factory";// Message filterpublic static readonly MessageCategory UACreation = newMessageCategory(Message.Natures.Request, Subjects.UACreation);GetId());public UAMakerAg() : base(){DirectoryFacilitator.GetDF().RegisterProvider(SERVICE,MSc EMOOSE Thesis – http://www.emn.fr/EMOOSE 102
}msgQueue.AddFilters(new MessageCategory[] {UACreation});}protected override void Execute(){while (true){while (msgQueue.IsEmpty);Message m = msgQueue.Dequeue();new AgentMakingActivity(this, m).Start();}}class AgentMakingActivity : Activity{private Message requestMessage;base(agent)public AgentMakingActivity(Agent agent, Message request) :{requestMessage = request;}}}public override void Execute(){UserId userId = (UserId) requestMessage.Content;Conversation conversation = requestMessage.Conversation;// CALL TO DBMANAGER HEREnew UserAg(userId, conversation);}18. Class Architecture.UserAg – User Agentusing System;using MAP;using Architecture.Profiles;using System.Diagnostics;namespace Architecture{/// /// User Agent class./// public class UserAg : Agent{// Threshold timespan after which this terminates if notnotified of any// user navigation actpublic static TimeSpan STOP_THRESHOLD = new TimeSpan(0, 30, 0);// ID of user managed and UPprivate UserId user;private UP userProfile;// UserAgent and NodeAgent Proxy IDsprivate AgentId proxy;// Message filterprivate MessageCategory Navigation = new MessageCategory(MSc EMOOSE Thesis – http://www.emn.fr/EMOOSE 103
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Vrije Universiteit Brussel - Belgiu
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ContentsAbstract 1Acknowledgements
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(4) Table UP_SUP (matches User Prof
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content providers’ interpretation
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- Active profiling consists in aski
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2 Agents2.1 Overview2.1.1 Definitio
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(1) each agent has incomplete infor
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MASs need an organization for speci
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However, the usefulness of personal
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they often provide implementation o
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2.5 Design2.5.1 The DIMA designIn [
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3 MetadataDuring the earlier invest
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This requires some agreement and st
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4 PerspectivesRecommender systems m
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way Lego blocks should be assembled
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usiness intelligence is generated.
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important than memory space optimiz
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The graph is then formatted to be v
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Chapter 4: Implementation1 Implemen
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(1) A Name Server (NS) maps every a
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the agent terminates, the thread is
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4 Application level4.1 OverviewThe
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4.3 User Agent MakerThis agent has
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Thus the profile, node and link cla
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BIProviderR : Provide_Business_Inte
Page 53 and 54: to enable users to explicitly speci
Page 55 and 56: ConclusionA “minimalist” approa
Page 57 and 58: Appendix A: Addendum onIndustrial I
Page 59 and 60: Appendix B: SQL Tables Design1 Tabl
Page 61 and 62: Appendix C: Conference PaperA paper
Page 63 and 64: very large repositories of learning
Page 65 and 66: popularity of the link (the bigger
Page 67 and 68: Appendix D: Source Code1 Agent infr
Page 69 and 70: public static bool ProcessIsMainHos
Page 71 and 72: string path = MakePath(".", Middlew
Page 73 and 74: System.Messaging.MessageQueue queue
Page 75 and 76: public static NameServer GetNS(){if
Page 77 and 78: }}}table[agentId] = address;}}/// /
Page 79 and 80: ****** NON-STATIC PART ******// Tab
Page 82 and 83: }}}return (AgentId) first;using Sys
Page 85 and 86: {}return Subject.GetHashCode() + Na
Page 87 and 88: name in order to allow for the retr
Page 89 and 90: }// Start agent's main Thread.Threa
Page 91 and 92: }DirectoryFacilitator.GetDF().Unreg
Page 93 and 94: {/// /// Allows for specific conver
Page 95 and 96: }Monitor.Exit(aLock);public overrid
Page 97 and 98: Allows for synchronized Message exc
Page 99 and 100: esource./// /// public string GetMa
Page 101 and 102: }}private void RunTerminationExamin
Page 103: }private Message RequestUACreation(
Page 107 and 108: Message received: interrupt preterm
Page 109 and 110: 19. Class Architecture.DBManagerAg
Page 111 and 112: }}connection.Close();/// /// For sa
Page 113 and 114: using System.Collections;namespace
Page 115 and 116: namespace Architecture.Profiles{usi
Page 117 and 118: private UP(DataRow row) : this(newU
Page 119 and 120: }DataRow[] rows = Row.GetChildRows(
Page 121 and 122: }adapter.Update(Data);//***********
Page 123 and 124: internal static readonly string LAS
Page 125 and 126: }}Row[OCCURRENCES] = Occurrences +
Page 127 and 128: }get{}return Data.Rows.Find(_name);
Page 129 and 130: private static SqlDataAdapter adapt
Page 131 and 132: }foreach (ILink link in links){if (
Page 133 and 134: }}}private DataRow Row{get{return D
Page 135 and 136: 18. N. Good, et al. Combining colla
Page 137 and 138: 49. D. Derbyshire, et al., Agent-Ba
Page 139: 83. Council for Higher Education Ac
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