heckman thesis.pdf

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150 CHAPTER 7. USER MODEL INTEGRATION & DECENTRALIZED USER MODELING Mobile Security and Privacy A mobile device with a biometrical access system with a sensor that checks the finger-print of the user would enable an intuitive entry to secure user modeling, without the troublesome entry of passwords or PINs, while at the same time assuring the prevention of misuse of critical user data. Another argument for security is that the critical data like users demographic information for example date of birth or credit card numbers can be carried along and communicated to only selected systems. 7.2.2 Scalability of Distributed Situational Repositories Figure 7.10 shows the concrete realized set of repositories, databases and computer servers that currently run to test the scalability of the distributed and ubiquitous approach. The distributed approach for the ontologies, situation models and low level sensor data is based on the following denotation model to identify each individual repository or each set of repositories efficiently: ::= ( ’|’ )* ::= ’@’ ’@’ Our implemented arrangement of SITUATIONALSTATEMENTS with its database servers, databases and database tables already leads by 1:n:m to almost 1600 repositories, which proves the scalability. Another interesting approach to scalable and robust distribution is cooperation. A recent solution has been presented by BitTorrent 1 , those users or systems that download the file or information tap into their upload capacity to give the file of information to others at the same time. And those that provide the most to others get the best treatment in return. Since this kind of cooperative distribution can grow almost without limit, because each new participant brings not only demand, but also supply, this approach seems to be highly relevant for upcoming large sets of SITUATIONALSTATEMENTS. However, the investigation of cooperative distribution of situational repositories for ubiquitous user modeling is encouraged for future work. 1 BitTorrent homepage http://www.bittorrent.com/
7.2. DECENTRALIZED USER MODELING 151 Figure 7.10: The distributed approach for the ontologies, situation models and low level sensor data. This organization of SITUATIONALSTATEMENTS with its database servers, databases and database tables already leads by 1:n:m to almost 1600 repositories within approximately 80 databases.
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Ubiquitous User Modeling Dissertati
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Eidesstattliche Versicherung Hiermi
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Acknowledgments This work has been
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Kurzzusammenfassung Immer häufiger
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xii
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xiv werden. Zusätzlich wird das UR
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xvi
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xviii Contents 3.1.4 Deep Map User
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xx Contents 7 User Model Integratio
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xxii Contents B.2.2 UBISWORLD ONTOL
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1 1.1 Motivation MOTIVATION & OUTLI
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1.2. APPLICATION SCENARIO 5 as well
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1.4. ORIENTATION AND INTEGRATION IN
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1.5. MAIN RESEARCH QUESTIONS 9 We i
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1.6. ORGANIZATION OF THE THESIS 11
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2 BACKGROUND & BASIC CONCEPTS Infor
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2.1. INTRODUCTION TO USER MODELING
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2.1. INTRODUCTION TO USER MODELING
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2.2. INTRODUCTION TO UBIQUITOUS AND
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2.3. INTRODUCTION TO THE SEMANTIC W
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3 3.1 Generic User Modeling Systems
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3.1. GENERIC USER MODELING SYSTEMS
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3.2. METADATA APPLICATIONS 37 Figur
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3.2. METADATA APPLICATIONS 39 3.2.2
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3.3. EXTERNAL ONTOLOGIES AND KNOWLE
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3.4. DESIGN DECISIONS AND GOALS 49
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Part II Knowledge Representation an
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54 CHAPTER 4. SITUATIONAL STATEMENT
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82 CHAPTER 5. USER MODEL ONTOLOGY &
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Page 122 and 123: 100 CHAPTER 5. USER MODEL ONTOLOGY
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Page 177 and 178: 8 8.1 USERMODELSERVICE USER MODEL S
Page 179 and 180: 8.1. USERMODELSERVICE 157 possible
Page 181 and 182: 8.1. USERMODELSERVICE 159 listing 8
Page 183 and 184: 8.2. USER INTERFACES FOR UBISWORLD
Page 185 and 186: 8.3. USER INTERFACES FOR UBISLOCATI
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Page 189 and 190: 8.4. USER INTERFACES FOR USER MODEL
Page 197 and 198: 9 APPLICATIONS & TESTING This chapt
Page 199 and 200: 9.1. SPEECH AS A SOURCE FOR UBIQUIT
Page 201 and 202: 9.2. BIODATA AS SOURCE FOR UBIQUITO
Page 203 and 204: 9.4. NAVIGATION AS SOURCE FOR UBIQU
Page 205 and 206: 9.5. MUSEUM VISITS AS SOURCE FOR UB
Page 207 and 208: 9.5. MUSEUM VISITS AS SOURCE FOR UB
Page 209 and 210: 9.6. SHOPPING AS A SOURCE FOR UBIQU
Page 211 and 212: 9.7. DISCUSSION OF THE DEVELOPED TO
Page 213: Part IV Discussion 191
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200 CHAPTER 10. CONCLUSION & OUTLOO
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202 CHAPTER 10. CONCLUSION & OUTLOO
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A APPENDIX - SYNTAX SPECIFICATIONS
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A.1. SYNTACTIC SPECIFICATIONS OF SI
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A.2. DOCUMENT TYPE DESCRIPTIONS FOR
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A.2. DOCUMENT TYPE DESCRIPTIONS FOR
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A.3. XML-SCHEMATA FOR SITUATIONREPO
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B B.1 The USERMODELONTOLOGY APPENDI
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B.1. THE USERMODELONTOLOGY 221 User
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B.1. THE USERMODELONTOLOGY 223 User
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B.1. THE USERMODELONTOLOGY 225 Inte
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B.2. THE UBISWORLD ONTOLOGY 231 cla
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B.2. THE UBISWORLD ONTOLOGY 233 ins
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B.2. THE UBISWORLD ONTOLOGY 235 B.2
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B.2. THE UBISWORLD ONTOLOGY 237 B.2
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C LIST OF ACRONYMS ACL Agent Commun
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List of Figures 1.1 An abstract vie
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LIST OF FIGURES 243 4.9 SITUATIONRE
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LIST OF FIGURES 245 6.2 Situation r
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List of Tables 4.1 The intended mea
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Active Badge, 34 Adaptive Hypermedi
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INDEX 251 SemanticPropertyMapping,
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Bibliography [Aarts et al., 2003] A
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BIBLIOGRAPHY 255 [Brooks, 2002] Bro
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BIBLIOGRAPHY 257 [Eskenazi and Blac
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BIBLIOGRAPHY 259 [Heckmann and Krü
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BIBLIOGRAPHY 261 [Kobsa, 2001b] Kob
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BIBLIOGRAPHY 263 [Martin et al., 20
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BIBLIOGRAPHY 265 [Orwant, 1996] Orw
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BIBLIOGRAPHY 267 [Studer et al., 20
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