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thisMessage.Natures.Inform, Subjects.Navig);// Last resource exploredprivate ResourceId lastResource;// Previous Link traversedprivate UPLink prevLink;// Timestamp of arrival on previous resourceprivate DateTime prevArrival;// Conversation between UAProxy and UAMaker for the creation ofprivate Conversation initConversation;public UserAg(UserId userId, Conversation conversation){user = userId;userProfile = UP.CreateUP(userId);initConversation = conversation;UserAgInit();}public UserAg(UserId userId, string[] supNames, Conversationconversation){user = userId;userProfile = UP.CreateUP(userId, supNames);initConversation = conversation;UserAgInit();}private void UserAgInit(){lastResource = null; prevLink = null;msgQueue.AddFilters(new MessageCategory[] {Navigation});proxy = DirectoryFacilitator.GetDF().FindProviderOf(UAProxyAg.SERVICE);Debug.Assert(proxy != null);}protected override void Execute(){DateTime idleStart = DateTime.Now;NotifyProxy();Message m;NavigationActContent navig;Step2;Step1: // Waitwhile (msgQueue.IsEmpty)if (ThresholdTimeExpired(idleStart)) gotogoto Step4;a new UA could bedata is savedmsgQueue.IsEmpty);Step2: // Pre-terminationSaveData(); // Before termination request otherwise// created and initialized beforeConversation termConv = RequestTermination();while (termConv.IsExpectingReply &&if (!msgQueue.IsEmpty){MSc EMOOSE Thesis – http://www.emn.fr/EMOOSE 104
Message received: interrupt preterminationphasetermConv.Close();idleStart = DateTime.Now;goto Step1;}// Answer from proxy receivedMessage answer = termConv.Reply;bool authorized = (answer.Subject ==Subjects.TerminationAccepted);if (authorized) goto Step3;else{// Add network latency time for waiting a bitmoreidleStart.Add(Middleware.MAX_LATENCY);goto Step1;}Step3: // TerminatingTerminate();return;Step4: // Handling user's navigationm = msgQueue.Dequeue();navig = (NavigationActContent) m.Content;UpdateProfile(navig);if (!msgQueue.IsEmpty) goto Step4;else goto Step5;}Step5: // BI generation initiationRequestBIGeneration();idleStart = DateTime.Now;goto Step1;// ****** Agent activities and transitions ******// Inform UserAgentProxy that this is readyprivate void NotifyProxy(){Message m = new Message(GetId(), proxy,Message.Natures.Inform,Subjects.UAReady);initConversation.SendAndClose(m);initConversation = null;}private void RequestBIGeneration(){AgentId generator =DirectoryFacilitator.GetDF().FindProviderOf(BIGeneratorAg.SERVICE);Debug.Assert(generator != null);Message m = new Message(GetId(), generator,Message.Natures.Request,Subjects.BIGeneration, userProfile);SendMessage(m);}private Conversation RequestTermination()MSc EMOOSE Thesis – http://www.emn.fr/EMOOSE 105
Page 1:
Vrije Universiteit Brussel - Belgiu
Page 4 and 5:
ContentsAbstract 1Acknowledgements
Page 6 and 7:
(4) Table UP_SUP (matches User Prof
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content providers’ interpretation
Page 11 and 12:
- Active profiling consists in aski
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2 Agents2.1 Overview2.1.1 Definitio
Page 15 and 16:
(1) each agent has incomplete infor
Page 17 and 18:
MASs need an organization for speci
Page 19 and 20:
However, the usefulness of personal
Page 21 and 22:
they often provide implementation o
Page 23 and 24:
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
Page 29 and 30:
4 PerspectivesRecommender systems m
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way Lego blocks should be assembled
Page 33 and 34:
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
Page 47 and 48:
4.3 User Agent MakerThis agent has
Page 49 and 50:
Thus the profile, node and link cla
Page 51 and 52:
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 and 104: }private Message RequestUACreation(
Page 105: }msgQueue.AddFilters(new MessageCat
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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