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Helmut Rauscha, 24.10.2008 1
Media Space NavigatorEfficient Access to Video Content on IPTV Portals
Helmut RauschaSeptember 24th 2008
Helmut Rauscha, 24.10.2008 2
Agenda
• Motivation
• Functionality
• Demo of MSN
• Conclusions
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MOTIVATION
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Current Situation – Linear Navigation
• Organized along (Sub)Genres• Linear video lists
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Motivation: Better VoD Navigation
• Goal 1: More efficient navigation
– Content based similarity
– Personal interests
• Goal 2: VoD Sales Push
– VoD offer should be closer to the offer of Broadcast TV
Telekom Portal Structure
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FUNCTIONALITY
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Input Data: VoD & EPG Meta Data
• VoD Data– Genre, Year, Actors,
Plot summary,...– Custom categories
(local content – needs equivalence mapping)
• EPG Data – Film-meta data +
Channel & Time– TV-only series, news,
service broadcasts
<broadcast id="1273938"> <start_date_time>2007-08-10T00:15 </start_date_time> <end_date_time>2007-08-10T02:05 </end_date_time> <title>2010 - Das Jahr, in dem wir Kontakt aufnehmen</title> <production_year>1984</production_year> <duration>112</duration> <country>USA</country> <category type="genre">science fiction</category> <category type="tvtv">Movie/Science Fiction</category> <category type="tvtv">Movie/Other </category> <category type="format">Movie</category> <person position="1" type="actor"> <name>Roy Scheider</name> <role>Heywood Floyd</role> </person> <person position="2" type="actor"> <name>John Lithgow</name> <role>Walter Curnow</role> </person> <person position="3" type="actor"> <name>Helen Mirren</name> <role>Tanya Kirbuk</role> </person>
Data: tvtv.de
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How can Data be visualized?
• Linear Data Sets
• Trees
• Graph Visualization
• Self Organizing Maps
Perspective Wall
Digg site activity
Cone Trees; Robertson ‘91
Treemap Filesystem view
Ebay HyperTree (inxight.com)
Fodok.atRelation Browser
SemaCodeFlickrGraph
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Graphs are feasible for TV Screens!
• Graph navigation for TV domain– Use standard remote control
Cursor keys for navigation „OK“ for seclection Green button for rating
– Maximize use of screen size Cope with resolution Optimize for remote control use
• Keep it simple !!!
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DEMO of MSN
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• Graph-based
• Arrows+OK to navigate
• Shows local subgraph
-> most relevant neighbours
• Maximizes preview information
MSN – Overview
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• Integrates EPGand VoD data
EPG entries:green border
• Side-bar for details
VoD EntryEPG Entry
MSN – Entry data
Detail view
Title, Actors
Plot, Channel
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• Selected movie tinted green
• EPG:Detail view showsbroadcast information
EPG data
MSN – Entry data
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MSN – Links
Relevance
Link type
• Shows relationsbased on – Category– Actors
• Link weightsindicated by huegreen … gray
• Weights mofidied by user preference
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MSN – PPV Movies
• PPV payment:
unlock codeto preventmis-use
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MSN – Rating
• Green button rates current selection
• Influences weighting of– Categories– Actors
• Affects next selection
User Rating
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CONCLUSIONS
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Conclusions
• „Usable” prototype available– Initial tests showed
good response– “It really makes fun to
play around”
• Open– Systematic Usability Study– Implementation in Life System
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Thank you for your attention!
Helmut RauschaStrategic Innovation Management
Telekom Austria AGLassallestrasse 9, A-1020 Vienna Tel: +43 (0)59 059 1 43816E-Mail: [email protected]
