User Centric Media

This book constitutes the thoroughly refereed post-conference proceedings of the First International Conference, UCMedia 2009, which was held on 9-11 December 2009 at Hotel Novotel Venezia Mestre Castellana in Venice, Italy. The conference`s focus was on forms and production, delivery, access, discovery and consumption of user centric media. After a thorough review process of the papers received, 23 were accepted from open call for the main conference and 20 papers for the workshops.

1;0040;2 2;Preface;5 3;Organization;7 4;Table of Contents;11 5;UCMedia 2009 Keynote Speech;16 5.1;InterMedia: Towards Truly User-Centric Convergence of Multimedia;17 5.1.1;Introduction;17 5.1.2;InterMedia Research Challenges and Architecture;18 5.1.3;Prototype: Chloe@University;19 5.1.3.1;Scenario;19 5.1.3.2;Implementation;20 5.1.4;Conclusion and Future Work;23 5.1.5;References;24 6;UCMedia 2009 Session 1: User Centric Multimedia;25 6.1;From Photos to Memories: A User-Centric Authoring Tool for Telling Stories with Your Photos;26 6.1.1;Introduction;26 6.1.2;Motivation and Contribution;27 6.1.3;Related Work;28 6.1.4;Authoring Process;29 6.1.5;Implementation;31 6.1.6;Discussion;32 6.1.7;References;33 6.2;User-Centric Context-Aware Mobile Applications for Embodied Music Listening;34 6.2.1;Introduction;34 6.2.2;Sample Applications;35 6.2.3;Evaluation;39 6.2.4;Conclusions;42 6.2.5;References;42 6.3;SyncnMove: Social Interaction Based on Music and Gesture;44 6.3.1;Introduction;44 6.3.2;Background;45 6.3.3;Application Description;46 6.3.3.1;The Data Acquisition Module;46 6.3.3.2;The Feature Extraction and Audio Processing Module;48 6.3.4;Evaluation;49 6.3.5;Conclusion;50 7;UCMedia 2009 Session 2: Content in Media Communities;52 7.1;From Coach Potatoes to TV Prosumers: Community-Oriented Content Creation for IDTV;53 7.1.1;Introduction;53 7.1.2;User Centric Content Creation System;54 7.1.3;Content Management System;55 7.1.3.1;CMS in SAMBA System;55 7.1.3.2;CMS Functionalities;56 7.1.4;Community Content Production;57 7.1.4.1;CMS Training Process;57 7.1.4.2;Content Creation;57 7.1.4.3;System Validation and Usability Tests;58 7.1.5;Concluding Remarks and Future Work;60 7.1.6;References;60 7.2;Innovation in Online Communities Towards Community-Centric Design;62 7.2.1;Introduction;62 7.2.2;Background: Innovation in Online Communities;63 7.2.2.1;Online Communities;63 7.2.2.2;Open Innovation, Co-creation, and User Innovation;64 7.2.3;Challenges to Innovation in Online Communities;6
4 7.2.4;Possible Solutions: Community-Centric Design;65 7.2.4.1;From User-Centric Design to Community-Centric Design;66 7.2.4.2;Living Labs as a New Approach to Community-Centric Design;68 7.2.5;Conclusion;68 7.2.6;References;69 7.3;Multimedia Source Management for Remote and Local Edition Environments;70 7.3.1;Introduction;70 7.3.2;Functionalities;71 7.3.2.1;Source Management;71 7.3.2.2;Sources Origin and Prosumer Capabilities;71 7.3.2.3;Multimedia Edition;71 7.3.3;Architecture;72 7.3.3.1;The Processing Core;73 7.3.3.2;The Project Structure;74 7.3.3.3;The User Interface;75 7.3.4;Test and Evaluation;76 7.3.5;Conclusion;77 7.3.6;References;78 8;UCMedia 2009 Session 3: Multimedia and User Experience;79 8.1;In Search of the Uncanny Valley;80 8.1.1;Introduction;80 8.1.2;History;80 8.1.3;Evidence for Existence;82 8.1.4;Psychological Plausibility;84 8.1.5;The Human Side of the Uncanny Valley;85 8.1.6;Conclusions;87 8.1.7;References;88 8.2;Investigating the Use of the Experience Clip Method;90 8.2.1;Introduction;90 8.2.2;User Experience Evaluation;91 8.2.2.1;Applications;91 8.2.2.2;Participants and Procedure;92 8.2.2.3;Analysis and Results;92 8.2.3;Discussion on the Use of the Method;95 8.2.4;Conclusion and Future Work;96 8.2.5;References;97 8.3;Natural-Language-Based Conversion of Images to Mobile Multimedia Experiences;98 8.3.1;Introduction;98 8.3.2;Natural-Language-Based Image Transmoding;99 8.3.2.1;System Overview;99 8.3.2.2;Matching and Synchronization;100 8.3.3;Typical Application;100 8.3.4;Conclusion and Future Work;101 9;UCMedia 2009 Session 4: Multimedia Search and Retrieval;102 9.1;Provision of Multimedia Content Search and Retrieval Services to Users on the Move;103 9.1.1;Introduction;103 9.1.2;An Overview of the VICTORY Framework;104 9.1.2.1;The VICTORY MultiPedia Object Concept;104 9.1.2.2;VICTORY Service-Oriented Architecture;105 9.1.3;The VICTORY PDA Mobile Application;107 9.1.3.1;A VICTORY PDA Use Case;107 9.1.4;Conclusions;110 9.1.5;References;110 9.2;Grou
nd-Truth-Less Comparison of Selected Content-Based Image Retrieval Measures;111 9.2.1;Introduction;111 9.2.2;Similarity Measures;112 9.2.2.1;VS (PictureFinder);113 9.2.2.2;Metrics Based on MPEG-7 Visual Descriptors;113 9.2.2.3;TAG (Tag Metric);114 9.2.3;Description of Psycho-Physical Experiments;114 9.2.3.1;General Assumptions;114 9.2.3.2;Experiment Setup;115 9.2.3.3;Experiment Execution;115 9.2.4;Analysis of Results;116 9.2.5;Conclusions;117 9.3;Exploiting Complementary Resources;119 9.3.1;Introduction;119 9.3.2;Proposed Framework;120 9.3.3;Complementary Resource Analysis;121 9.3.4;Particle Swarm Optimisation Based Multimedia Indexing and Retrieval;122 9.3.5;Experimental Results;123 9.3.6;Conclusions and Future Work;125 10;UCMedia 2009 Session 5: Interactive TV;127 10.1;Content Personalization System Based on User Profiling for Mobile Broadcasting Television;128 10.1.1;Introduction;128 10.1.2;Overview of the Prior Art in Recommendation and Personalization Systems in Media Environments;129 10.1.3;Design of a Content Personalization System for Mobile Television: The User Profiling and Content Association;130 10.1.4;Content Personalization over Mobile Television: System Architecture;131 10.1.4.1;Broadcaster;133 10.1.4.2;User Module;133 10.1.4.3;Server Module;133 10.1.5;Content Personalization over Mobile Television: System Operation;134 10.1.6;Conclusions and Future Work;135 10.1.7;References;135 10.2;WiMAX TV: Possibilities and Challenges;136 10.2.1;Introduction;136 10.2.2;System Design;137 10.2.3;Network Characterization;139 10.2.4;Downlink Scenarios;141 10.2.5;Uplink Scenarios;142 10.2.6;Discussions;143 10.2.7;Conclusions;144 10.2.8;References;145 10.3;Personalized Semantic News: Combining Semantics and Television;146 10.3.1;Introduction;146 10.3.2;Personalized Semantic News Scenario;147 10.3.3;Expected Added Value;149 10.3.4;References;149 10.4;Service and Content Metadata Systems in Interactive TV Domains;150 10.4.1;Introduction;150 10.4.2;Experience Sharing, Cro
ss-Domain Services and Interactive Sessions;152 10.4.2.1;Experience Sharing;152 10.4.2.2;Cross-Domain Services and Architectures;152 10.4.2.3;Interactive TV Sessions;154 10.4.3;iNEM4U Cross-Domain Metadata Solution;155 10.4.4;Practical Experiences;157 10.4.5;Conclusion;158 10.4.6;References;158 11;UCMedia 2009 Session 6: Content Delivery;160 11.1;Efficient Scalable Video Streaming over P2P Network;161 11.1.1;Introduction;161 11.1.2;Proposed Framework for Scalable Video over P2P Network;162 11.1.2.1;Scalable Video Coding;163 11.1.2.2;P2P Network;163 11.1.2.3;Proposed Modification for Efficient Scalable Video Streaming;164 11.1.3;Experimental Results;166 11.1.4;Conclusion;168 11.1.5;References;168 11.2;Rate Adaptation Techniques for WebTV;169 11.2.1;Introduction;169 11.2.2;State of the Art;170 11.2.2.1;Video Content Adaptation;170 11.2.2.2;Adaptation to Network Conditions;171 11.2.2.3;Adaptation for End User Quality Perception;171 11.2.3;Outline of the Proposed Solution;172 11.2.3.1;Adaptation System Model;172 11.2.3.2;The WebTV Streaming Server Prototype;173 11.2.4;Performance Evaluation;174 11.2.5;Conclusion and Future Work;175 11.3;An Adaptive Control System for Interactive Virtual Environment Content Delivery to Handheld Devices;177 11.3.1;Introduction;177 11.3.2;Related Work;178 11.3.3;The Control Algorithm;179 11.3.4;Tests and Results;182 11.3.5;Conclusions;185 11.3.6;References;186 12;UCMedia 2009 Session 7: Security, Surveillance and Legal Aspects;187 12.1;VirtualLife: Secure Identity Management in Peer-to-Peer Systems;188 12.1.1;Introduction;188 12.1.2;The Architecture of VirtualLife;189 12.1.3;VirtualLife Identities;190 12.1.3.1;Identity Information;190 12.1.3.2;Intuitive Identity Verification;191 12.1.3.3;Trust and Reputation Management;192 12.1.4;Using Identities in Services;192 12.1.4.1;Authenticating Users;192 12.1.4.2;Authorization;193 12.1.4.3;Communication between Users;193 12.1.4.4;Electronic Documents;193 12.1.4.5;Binding External Services;194 12.1.
5;Implementation;194 12.1.6;Conclusion;195 12.1.7;References;195 12.2;Overview of the Legal Issues in Virtual Worlds;196 12.2.1;Introduction;196 12.2.2;Virtual World Property;196 12.2.3;User Evaluation Systems;197 12.2.4;Data Protection;197 12.2.5;Copyright Issues in Virtual Worlds;198 12.2.5.1;Legal Framework;198 12.2.5.2;Eligibility for Protection of In-World Created Items;199 12.2.5.3;Copyright Infringements and Exploitation of Rights;199 12.2.6;Trademark Issues in Virtual Worlds;199 12.2.6.1;Protection of In-World Trademarks;200 12.2.6.2;Protection against Virtual Knock Offs;200 12.2.7;Advertising in Virtual Worlds;201 12.2.7.1;Possible Types of Advertising;201 12.2.7.2;Legal Assessment;201 12.2.8;Provider Liability for User-Generated Content;201 12.2.9;Dispute Resolution in Virtual Worlds;202 12.2.9.1;Online Dispute Resolution;202 12.2.9.2;Legal Aspects;203 12.2.10;Conclusions;203 12.2.11;References;204 12.3;Selective Motion Estimation for Surveillance Videos;206 12.3.1;Introduction;206 12.3.2;Selective Motion Estimation;207 12.3.2.1;Real-Time Background Subtraction;208 12.3.2.2;Selection Policy;208 12.3.2.3;Video Coding;210 12.3.3;Experimental Results;210 12.3.4;Conclusion;213 12.3.5;References;213 13;PerMeD 2009 Session 1;214 13.1;Personalization of Media Delivery in Seamless Content Delivery Networks;215 13.1.1;Introduction;215 13.1.2;Content Delivery and User Personalization;216 13.1.2.1;End-User Preferences;216 13.1.2.2;End-Device Capabilities;218 13.1.2.3;Network Parameters;219 13.1.3;Conclusion;219 13.1.4;References;219 13.2;Shopping Assistant;220 13.2.1;Introduction;220 13.2.2;HomeFraction;220 13.2.2.1;AdPackage Distribution and Identification;221 13.2.2.2;AdPackage Profile Matching;221 13.2.2.3;AdPackage Presentation;222 13.2.2.4;Input Processing and Profile Enhancement;222 13.2.3;ShoppingFraction;222 13.2.4;Future Prospects;223 13.3;Streaming Content Wars: Download and Play Strikes Back;224 13.3.1;Introduction;224 13.3.2;History and State of the Art i
n Media Streaming Technologies;225 13.3.2.1;Download and Play;225 13.3.2.2;Traditional Streaming;226 13.3.2.3;Progressive Download;226 13.3.2.4;HTTP Adaptive Streaming;227 13.3.3;Selecting the Best Method Based on User (Transmission) Modes;228 13.3.3.1;Supporting the Unicast Transmission Mode;229 13.3.3.2;Supporting the Multicast Transmission Mode;229 13.3.3.3;Supporting the Broadcast Transmission Mode;229 13.3.4;Use Case Scenario and Conclusions;230 13.3.5;References;231 13.4;A Personalized HTTP Adaptive Streaming WebTV;233 13.4.1;Introduction;233 13.4.2;The HTTP Adaptive Streaming;234 13.4.3;The Web Media Player Client;235 13.4.4;Network Portability;238 13.4.5;Terminal Portability;239 13.4.6;Conclusion and Future Work;239 14;PerMeD 2009 Session 2;240 14.1;Scalable IPTV Delivery to Home via VPN;241 14.1.1;Introduction;241 14.1.1.1;Background and Problem Motivations;241 14.1.1.2;Related Work;242 14.1.1.3;Contributions;242 14.1.2;Proposed Scheme;243 14.1.2.1;OpenVPN;243 14.1.2.2;IPTV VPN;243 14.1.3;Experiment Setup;244 14.1.3.1;IPTV VPN Network Layout Description;245 14.1.4;Measurement and Analysis;246 14.1.4.1;Test Methodology;246 14.1.4.2;VPN Service Qualities Measurements;246 14.1.4.3;IPTV VPN Service Qualities;247 14.1.4.4;Discussion;249 14.1.5;Conclusion;249 14.2;Location-Aware and User-Centric Touristic Media;251 14.2.1;Introduction;251 14.2.2;State of the Art;252 14.2.3;System Architecture and User Workflow;254 14.2.4;Conclusions;257 14.2.5;References;258 14.3;Optimal Ranking for Video Recommendation;259 14.3.1;Introduction;259 14.3.2;Bayesian Personalized Ranking (BPR);259 14.3.2.1;Motivation for BPR-Opt;260 14.3.2.2;Learning Algorithm and Application to Matrix Factorization;261 14.3.3;Evaluation;261 14.3.4;Conclusion and Future Work;262 14.4;Gaming Platform for Running Games on Low-End Devices;263 14.4.1;Introduction;263 14.4.2;Games@Large Framework;264 14.4.3;Games@Large Performance Potential;265 14.4.4;Conclusions;266 14.4.5;References;266 15;TrustVWS 2009
Session 1;267 15.1;Virtual Persons + Virtual Goods = Real Problems;268 15.1.1;Introduction and Definition;268 15.1.2;Virtual Persons;270 15.1.3;Virtual Goods;270 15.1.4;Real Problems;271 15.1.4.1;Eros vs Leatherwood;271 15.1.4.2;Marvel vs City of Heroes;272 15.1.4.3;Blizzard vs MDY Industries21;272 15.1.5;Conclusion;272 15.1.6;References;273 16;TrustVWS 2009 Session 2;274 16.1;A Comparison of Three Virtual World Platforms for the Purposes of Learning Support in VirtualLife;275 16.1.1;Introduction;275 16.1.2;Educational Needs;276 16.1.3;Analysis of Existing Virtual World Platforms;276 16.1.4;VirtualLife Design Decisions;278 16.1.5;Conclusions;280 16.1.6;References;280 16.2;Transforming Legal Rules into Online Virtual World Rules: A Case Study in the VirtualLife Platform;281 16.2.1;Introduction;281 16.2.2;About VirtualLife;282 16.2.3;Focus on VirtualLife Legal Framework;283 16.2.3.1;From Rules in Law to Rules in Artifact;284 16.2.3.2;The Editor of Rules;285 16.2.3.3;Values Protected by VirtualLife Law and the Law of Avatars;285 16.2.4;Conclusions;286 16.2.5;References;286 17;NSA 2009;287 17.1;Reverie and Socialization for the Electro-Nomadic Cyborg;288 17.1.1;Nomadic Domesticity;288 17.1.2;History of Domesticity;289 17.1.3;Wirelessness, Nomadism and Alienation;289 17.1.4;The Technological Hearth;291 17.1.5;References;293 17.2;Augmented Public Transit: Integrating Approaches to Interface Design for a Digitally Augmented City;294 17.2.1;Introduction;294 17.2.2;TTC Trip Planner and User Profile;295 17.2.3;Conclusion;298 17.2.4;References;298 17.3;Memoirs of Togetherness from Audio Logs;299 17.3.1;Introduction;299 17.3.2;Audio Log Processing;300 17.3.3;Experimental Results and Visualisation;301 17.3.4;Conclusion;302 17.3.5;References;302 18;MinUCS 2009 Session 1;303 18.1;Automating Financial Surveillance;304 18.1.1;Introduction;304 18.1.2;Background and Motivation;305 18.1.3;Data;305 18.1.4;Aligning Information to Alerts;307 18.1.5;Price Sensitivity;308 18.1.6;Conclusion
;309 18.1.7;References;309 19;MinUCS 2009 Session 2;311 19.1;Cross-Lingual Analysis of Concerns and Reports on Crimes in Blogs;312 19.1.1;Introduction;312 19.1.2;Topics in the Fraud / Internet Crime Domain;314 19.1.3;Blog Analysis with Terms and Summaries of Blog Posts;316 19.1.4;Conclusion;317 19.1.5;References;317 19.2;Automated Event Extraction in the Domain of Border Security;318 19.2.1;Introduction;318 19.2.2;System Architecture;319 19.2.3;Event Information Access and Moderation;321 19.2.4;Outlook;322 19.2.5;References;323 20;MinUCS 2009 Session 3;324 20.1;Security Level Classification of Confidential Documents Written in Turkish;325 20.1.1;Introduction;325 20.1.2;Experimental Settings;326 20.1.3;Results and Discussions;327 20.1.4;Conclusion and Future Work;330 20.1.5;References;330 20.2;Signalling Events in Text Streams;331 20.2.1;Introduction;331 20.2.2;CBSSearch;331 20.2.2.1;System Overview;332 20.2.2.2;Stream Indexer;332 20.2.2.3;Interactive Learning;332 20.2.2.4;Stream Analysis;333 20.2.3;Preliminary Results;334 20.2.4;References;334 21;MinUCS 2009 Session 4;336 21.1;A Proposal for a Multilingual Epidemic Surveillance System;337 21.1.1;Introduction;337 21.1.2;Related Work;338 21.1.3;Our Approach;338 21.1.4;Some Results;339 21.1.5;Conclusion;341 21.1.6;References;342 21.2;Monitoring Social Attitudes Using Rectitude Gains;343 21.2.1;Introduction: Extreme Movements and Security;343 21.2.2;Previous Work;344 21.2.3;Content Analysis and Rectitude;344 21.2.3.1;Laswell Rectitude Gains;344 21.2.3.2;Rectitude Gains in Polish;345 21.2.4;Web Mining;345 21.2.5;Spejd Rules;346 21.2.6;Results;347 21.2.7;Conclusions and Future Work;348 21.2.8;References;348 22;ExpDes 2009;349 22.1;Is the Social Television Experience Similar to the Social Online Video Experience? Extending Domain-Specific Sociability Heuristics to a New Domain;350 22.1.1;Introduction;350 22.1.2;Sociability Heuristics for Interactive Television;351 22.1.3;Extending Sociability Heuristics to Social Online Vi
deo;351 22.1.4;Conclusion and Further Work;352 22.1.5;References;353 22.2;Using Social Science in Design;354 22.2.1;Purpose;354 22.2.2;Three Ways Social Science Can Impact Design;355 22.2.3;Empirical Science in Design Methodology;355 22.2.4;Problems and Solutions in Social Science and Design;356 22.2.5;The Theoretical Loop;357 22.2.6;What Does Social Science Allow Designers to Do?;357 22.2.7;References;358 22.3;User-Centric Evaluation Framework for Multimedia Recommender Systems;359 22.3.1;Introduction;359 22.3.2;Evaluation Framework;360 22.3.3;Future Work;361 22.3.4;References;362 23;Author Index;363