Event-centric HyperLinking of
Socially Contributed
Multimedia Content
Mathilde Sahuguet, Xueliang Liu, Benoit Huet
EURECOM...
Our motivation…
 Storytelling is the conveying of events in
words, and images… videos…
 Hyperlinks are conveying additio...
Audiovisual Explosion
 EU alone hosts 500+ online video platforms
 42.7m hrs of footage in online archives of
broadcaste...
Hyperlinking and Second Screen
 Nielsen 12/2012: 85 Percent Of Tablet And
Smartphone Owners Use Devices As “Second
Screen...
Hyperlinking and Second Screen
01/04/14 - SoMuS 2014 / ICMR 2014
Benoit HUET - Event-centric HyperLinking of
Socially Cont...
Hyperlinking at the fragment level
 MediaMixer:
“set up and sustain a community of video producers,
hosters and redistri...
Hyperlinking and Second Screen
01/04/14 - SoMuS 2014 / ICMR 2014
 LinkedTV: linking television to
Web content
 Second sc...
Enrichment framework
01/04/14 - SoMuS 2014 / ICMR 2014
Media Annotation
Web Media Search
Segment annotation Media
items
An...
Topic Enrichment Hyperlinking
 Need to enrich given topics:
based on terms/topics appearing in video (passive or
active...
Publish content
Socially Aware Enrichments
01/04/14 - SoMuS 2014 / ICMR 2014
Benoit HUET - Event-centric HyperLinking of
S...
Query content
Socially Aware Enrichments
01/04/14 - SoMuS 2014 / ICMR 2014
Search term
Google
Trends
Benoit HUET - Event-c...
Event-centric Enrichments
 Events are natural structuring elements for
humans
01/04/14 - SoMuS 2014 / ICMR 2014 Benoit HU...
Outline
 Related work
 Framework
Enrichments for Passive Second Screen
 Query Formulation
 Static Event visualisation...
Related work
 Chieu et al. (ACM SIGIR 2004)
 Query based event extraction along a timeline
 Yan et al. (CIKM2012)
 Vis...
Our Contributions
 Event-based methodology
4W paradigm (Who, What, Where, When)
 Mining events from user contributed da...
Pre-Processing Media
 Search
Query provided by the user
 Hyperlinking
The content is the query
Content analysis is re...
Passive Second Screen Framework
query eventslocation
time
topic
01/04/14 - SoMuS 2014 / ICMR 2014
Step1
Step2
Step3
 Aim:...
Event Querying
 Events are queried from Digg.com
a news aggregator with an editorially driven front page
01/04/14 - SoMu...
Textual Summarization
 Source: Full textual search on Twitter;
query words = event title
filter by time = event occurre...
Visual Summarization
 Source: Full textual search on Google Images
Query words = event title
Sorted by the similarity o...
Event Summary
01/04/14 - SoMuS 2014 / ICMR 2014
Benoit HUET - Event-centric HyperLinking of
Socially Contributed Multimedi...
Event Summary
01/04/14 - SoMuS 2014 / ICMR 2014
Benoit HUET - Event-centric HyperLinking of
Socially Contributed Multimedi...
01/04/14 - SoMuS 2014 / ICMR 2014
Active Second Screen Framework
 Aim:
Propose Enrichments which Illustrate the Event
on ...
01/04/14 - SoMuS 2014 / ICMR 2014
Active Second Screen Framework
 Goal = automatically create and illustrate a
timeline o...
 Bursts = peaks: sudden increase in the search
volume => unexpected event, massive search
behavior
 Long-term events: ab...
Trends mining
 Granularity:
 Trend value: Week (imposed by Google trends)
 Trend keywords: Monthly
 Feature:
 Burst v...
Focused search on time segments
 Goal: search for items relevant to the event on
the extracted dates
 Extracting keyword...
Video Selection
01/04/14 - SoMuS 2014 / ICMR 2014
 Goal: represent each event with a media item
 Features:
Using text (...
Example query: Snowden
1. Get trends
Benoit HUET - Event-centric HyperLinking of Socially Contributed Multimedia Content01...
Example query: Snowden
2. Mine time segments
Benoit HUET - Event-centric HyperLinking of Socially Contributed Multimedia C...
Example query: Snowden
3. Extract associated keywords
(month granularity)
Benoit HUET - Event-centric HyperLinking of Soci...
Example query: Snowden
3. Focused media search:
Tag cloud of associated text
Benoit HUET - Event-centric HyperLinking of S...
4. Illustrative video selection
Example query: Snowden
Benoit HUET - Event-centric HyperLinking of Socially Contributed Mu...
5. Ground truth
Example query: Snowden
Benoit HUET - Event-centric HyperLinking of Socially Contributed Multimedia Content...
Experiments
 Focus on people: automatic event-based
timeline generation of 5 celebrities
 “Ground truth” extracted from ...
Event extraction Evaluation
 Performance of our approach to detect
important events
 TP: true positive, TP: false positi...
Event discovery: Beyoncé
 Burst week: 22nd to 28th July, 2013
 Nothing in the ground truth
 Associated keywords:
Beyon...
Video representative evaluation
 Challenge: choice of an illustrative video
 Event Relatedness ER (mean over all events)...
 Week: 10th to 16th February, 2013
Example query: Pistorius
01/04/14 - SoMuS 2014 / ICMR 2014
Benoit HUET - Event-centric...
 Week: 10th to 16th February, 2013
 Associated keywords:
Example query: Pistorius
01/04/14 - SoMuS 2014 / ICMR 2014
osca...
 Week: 10th to 16th February, 2013
 Associated keywords:
 DataSet tag cloud:
Example query: Pistorius
01/04/14 - SoMuS ...
 Week: 10th to 16th February, 2013
 Associated keywords:
 Dataset tag cloud:
 Illustrative video:
 Nothing about Pist...
 Week: 10th to 16th February, 2013
 Associated keywords:
 Dataset tag cloud:
 Illustrative video:
 Why: associated te...
Conclusion
 Socially Aware Hyperlinking Approaches
 Automated Event-centric Illustration of topics
 Creation of an Even...
References
 http://www.linkedtv.eu
 http://www.mediamixer.eu
 B. Safadi, M. Sahuguet, B. Huet, “When Textual and Visual...
Thank you for your attention
 Questions?
Benoit Huet
EURECOM tel: +33 (0)493008179
Campus SophiaTech, 450 route des Chapp...
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Event-centric HyperLinking of Socially Contributed Multimedia Content

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Media hyperlinking consists in linking together media based on their content, uncovering the relation between them. It is becoming an important functionality for providing users with a way to navigate between video entities illustrating various related facets of the original topic and satisfy their information needs. Thanks to such approaches, multimedia search can often be replaced by recommendation. A particular usage of hyperlinking is to provide, through a second screen application, extra information or content about the video watched on a main screen (TV). In this talk, we will focus on event-centric media hyperlinking: the task at hand consists in locating and identifying relevant media items, and displaying them on the second screen. The related material is selected based on underlying events that will be detected through web services: events are seen as structuring elements, defined in terms of date, location, intent and attendance. Two approaches for event-based mining of such additional and related information will be presented. Each of them satisfying a different user information need and addressing different usage scenario; static vs dynamic second screening. In both cases, the event-centric organization of the multimedia material enables to rapidly and effectively visualise what matters about topics of interest.

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Transcript of "Event-centric HyperLinking of Socially Contributed Multimedia Content"

  1. 1. Event-centric HyperLinking of Socially Contributed Multimedia Content Mathilde Sahuguet, Xueliang Liu, Benoit Huet EURECOM, Sophia Antipolis, France
  2. 2. Our motivation…  Storytelling is the conveying of events in words, and images… videos…  Hyperlinks are conveying additional or related information  Related content (Media) would benefit from being organized around events 01/04/14 - SoMuS 2014 / ICMR 2014 Benoit HUET - Event-centric HyperLinking of Socially Contributed Multimedia Content - p 2
  3. 3. Audiovisual Explosion  EU alone hosts 500+ online video platforms  42.7m hrs of footage in online archives of broadcasters and producers (61% of archive footage is online)  UGC on the advance: YouTube receives 60 hrs of video/minute  Internet video is now 40 percent of consumer Internet traffic, and will reach 62 percent by the end of 2015  Media Retrieval Issues 01/04/14 - SoMuS 2014 / ICMR 2014 Benoit HUET - Event-centric HyperLinking of Socially Contributed Multimedia Content - p 3
  4. 4. Hyperlinking and Second Screen  Nielsen 12/2012: 85 Percent Of Tablet And Smartphone Owners Use Devices As “Second Screen” Monthly, 40 Percent Do So Daily 01/04/14 - SoMuS 2014 / ICMR 2014 Benoit HUET - Event-centric HyperLinking of Socially Contributed Multimedia Content - p 4
  5. 5. Hyperlinking and Second Screen 01/04/14 - SoMuS 2014 / ICMR 2014 Benoit HUET - Event-centric HyperLinking of Socially Contributed Multimedia Content - p 5
  6. 6. Hyperlinking at the fragment level  MediaMixer: “set up and sustain a community of video producers, hosters and redistributors…” “who will be supported in the adoption of semantic multimedia technology…” “to build an European market for media fragment re- purposing and re-selling.” 01/04/14 - SoMuS 2014 / ICMR 2014 http://community.mediamixer.eu Benoit HUET - Event-centric HyperLinking of Socially Contributed Multimedia Content - p 6
  7. 7. Hyperlinking and Second Screen 01/04/14 - SoMuS 2014 / ICMR 2014  LinkedTV: linking television to Web content  Second screen scenario for enriching television content and achieving interaction between user and content Benoit HUET - Event-centric HyperLinking of Socially Contributed Multimedia Content - p 7
  8. 8. Enrichment framework 01/04/14 - SoMuS 2014 / ICMR 2014 Media Annotation Web Media Search Segment annotation Media items Annotated set of media items Multimedia MiningInput video Set of relevant media with cues Personalization, Display, etc Benoit HUET - Event-centric HyperLinking of Socially Contributed Multimedia Content - p 8
  9. 9. Topic Enrichment Hyperlinking  Need to enrich given topics: based on terms/topics appearing in video (passive or active) based on user query (active)  Select and organize media items Different approaches for searching for information Diverse way to render information  What are people interested to see ?  we propose and investigate: Event-centric HyperLinking of Socially Contributed Multimedia Content 01/04/14 - SoMuS 2014 / ICMR 2014 Benoit HUET - Event-centric HyperLinking of Socially Contributed Multimedia Content - p 9
  10. 10. Publish content Socially Aware Enrichments 01/04/14 - SoMuS 2014 / ICMR 2014 Benoit HUET - Event-centric HyperLinking of Socially Contributed Multimedia Content - p 10
  11. 11. Query content Socially Aware Enrichments 01/04/14 - SoMuS 2014 / ICMR 2014 Search term Google Trends Benoit HUET - Event-centric HyperLinking of Socially Contributed Multimedia Content - p 11
  12. 12. Event-centric Enrichments  Events are natural structuring elements for humans 01/04/14 - SoMuS 2014 / ICMR 2014 Benoit HUET - Event-centric HyperLinking of Socially Contributed Multimedia Content - p 12
  13. 13. Outline  Related work  Framework Enrichments for Passive Second Screen  Query Formulation  Static Event visualisation Enrichments for Active Second Screen Trends mining Focused search Video selection Evaluation and Results  Conclusion 01/04/14 - SoMuS 2014 / ICMR 2014 Benoit HUET - Event-centric HyperLinking of Socially Contributed Multimedia Content - p 13
  14. 14. Related work  Chieu et al. (ACM SIGIR 2004)  Query based event extraction along a timeline  Yan et al. (CIKM2012)  Visualizing timelines: evolutionary summarization via iterative reinforcement between text and image streams.  Christiansen et al. (WIDM '12)  Modeling topic trends on the social web using temporal signatures  Chen et al. (Knowledge and Data Engineering 2007)  Hot Topic Extraction Based on Timeline Analysis and Multidimensional Sentence Modeling  Tan et al. (ACM MM’10)  Topic-based summarization of web videos by visual-text time-dependent alignment. 01/04/14 - SoMuS 2014 / ICMR 2014 Benoit HUET - Event-centric HyperLinking of Socially Contributed Multimedia Content - p 14
  15. 15. Our Contributions  Event-based methodology 4W paradigm (Who, What, Where, When)  Mining events from user contributed data and search trends People-based point of view (not editorial choice) Event discovery  Event illustration Mining from a pool of potential media items Choice of illustrative media item(s) 01/04/14 - SoMuS 2014 / ICMR 2014 Benoit HUET - Event-centric HyperLinking of Socially Contributed Multimedia Content - p 15
  16. 16. Pre-Processing Media  Search Query provided by the user  Hyperlinking The content is the query Content analysis is required! Legacy metadata / Subtitles Video Segmentation Automatic Speech Recognition Visual Concept Detection 01/04/14 - SoMuS 2014 / ICMR 2014 Benoit HUET - Event-centric HyperLinking of Socially Contributed Multimedia Content - p 16
  17. 17. Passive Second Screen Framework query eventslocation time topic 01/04/14 - SoMuS 2014 / ICMR 2014 Step1 Step2 Step3  Aim: Enrich & Illustrate the Event on the TV Screen Step1: parse the semantic from query string Step2: Extract events from Social News site Step3: Illustrating with tag cloud and image collage Benoit HUET - Event-centric HyperLinking of Socially Contributed Multimedia Content - p 17
  18. 18. Event Querying  Events are queried from Digg.com a news aggregator with an editorially driven front page 01/04/14 - SoMuS 2014 / ICMR 2014 Two advantages: 1. Save storage and computation 2. Leverage from collective intelligence Benoit HUET - Event-centric HyperLinking of Socially Contributed Multimedia Content - p 18
  19. 19. Textual Summarization  Source: Full textual search on Twitter; query words = event title filter by time = event occurrence date  Representation: Tag Cloud 01/04/14 - SoMuS 2014 / ICMR 2014 Benoit HUET - Event-centric HyperLinking of Socially Contributed Multimedia Content - p 19
  20. 20. Visual Summarization  Source: Full textual search on Google Images Query words = event title Sorted by the similarity of image and event title  Representation: Visual Collage 01/04/14 - SoMuS 2014 / ICMR 2014 Benoit HUET - Event-centric HyperLinking of Socially Contributed Multimedia Content - p 20
  21. 21. Event Summary 01/04/14 - SoMuS 2014 / ICMR 2014 Benoit HUET - Event-centric HyperLinking of Socially Contributed Multimedia Content - p 21
  22. 22. Event Summary 01/04/14 - SoMuS 2014 / ICMR 2014 Benoit HUET - Event-centric HyperLinking of Socially Contributed Multimedia Content - p 22
  23. 23. 01/04/14 - SoMuS 2014 / ICMR 2014 Active Second Screen Framework  Aim: Propose Enrichments which Illustrate the Event on the TV Screen Interaction with the viewer Multiple choices Dynamic rendering TV / Main screen might need to be paused Leverage on user generated content and collective intelligence Benoit HUET - Event-centric HyperLinking of Socially Contributed Multimedia Content - p 23
  24. 24. 01/04/14 - SoMuS 2014 / ICMR 2014 Active Second Screen Framework  Goal = automatically create and illustrate a timeline of events on a given topic  Event: occurrence of abnormal activity on a limited time segment, that captured a lot of interest and triggered massive web search Benoit HUET - Event-centric HyperLinking of Socially Contributed Multimedia Content - p 24
  25. 25.  Bursts = peaks: sudden increase in the search volume => unexpected event, massive search behavior  Long-term events: abnormal high interest spread over several time units Trends mining 01/04/14 - SoMuS 2014 / ICMR 2014 Benoit HUET - Event-centric HyperLinking of Socially Contributed Multimedia Content - p 25
  26. 26. Trends mining  Granularity:  Trend value: Week (imposed by Google trends)  Trend keywords: Monthly  Feature:  Burst value= left derivative of the trends values  Threshold to select bursts:  Adaptive threshold  mean + standard deviation  Output:  Set of week dates  Objective:  link trendy time-segment to some event in the real world 01/04/14 - SoMuS 2014 / ICMR 2014 Benoit HUET - Event-centric HyperLinking of Socially Contributed Multimedia Content - p 26
  27. 27. Focused search on time segments  Goal: search for items relevant to the event on the extracted dates  Extracting keywords for a focused search: Input: initial search term + dates (time segment) Query to Google trends Output: list of associated rising search terms  Focused media search: Private / Public Media repositories Social Media platform 01/04/14 - SoMuS 2014 / ICMR 2014 Benoit HUET - Event-centric HyperLinking of Socially Contributed Multimedia Content - p 27
  28. 28. Video Selection 01/04/14 - SoMuS 2014 / ICMR 2014  Goal: represent each event with a media item  Features: Using text (from media title + description) Discard non-English content TF-IDF with cosine distance  Media Item Selection Item with average similarity to all other media items Benoit HUET - Event-centric HyperLinking of Socially Contributed Multimedia Content - p 28
  29. 29. Example query: Snowden 1. Get trends Benoit HUET - Event-centric HyperLinking of Socially Contributed Multimedia Content01/04/14 - SoMuS 2014 / ICMR 2014 - p 29
  30. 30. Example query: Snowden 2. Mine time segments Benoit HUET - Event-centric HyperLinking of Socially Contributed Multimedia Content 9th to 15th June 2013 23rd to 29th June 2013 01/04/14 - SoMuS 2014 / ICMR 2014 - p 30
  31. 31. Example query: Snowden 3. Extract associated keywords (month granularity) Benoit HUET - Event-centric HyperLinking of Socially Contributed Multimedia Content 9th to 15th June 2013 23rd to 29th June 2013 ed snowden edward edward snowden edward snowden girlfriend edward snowden news edward snowden nsa ed snowden edward edward snowden edward snowden girlfriend edward snowden news edward snowden nsa 01/04/14 - SoMuS 2014 / ICMR 2014 - p 31
  32. 32. Example query: Snowden 3. Focused media search: Tag cloud of associated text Benoit HUET - Event-centric HyperLinking of Socially Contributed Multimedia Content 9th to 15th June 2013 23rd to 29th June 2013 ed snowden edward edward snowden edward snowden girlfriend edward snowden news edward snowden nsa ed snowden edward edward snowden edward snowden girlfriend edward snowden news edward snowden nsa 01/04/14 - SoMuS 2014 / ICMR 2014 - p 32
  33. 33. 4. Illustrative video selection Example query: Snowden Benoit HUET - Event-centric HyperLinking of Socially Contributed Multimedia Content 9th to 15th June 2013 23rd to 29th June 2013 ed snowden edward edward snowden edward snowden girlfriend edward snowden news edward snowden nsa ed snowden edward edward snowden edward snowden girlfriend edward snowden news edward snowden nsa 01/04/14 - SoMuS 2014 / ICMR 2014 - p 33
  34. 34. 5. Ground truth Example query: Snowden Benoit HUET - Event-centric HyperLinking of Socially Contributed Multimedia Content 9th to 15th June 2013 23rd to 29th June 2013 ed snowden edward edward snowden edward snowden girlfriend edward snowden news edward snowden nsa ed snowden edward edward snowden edward snowden girlfriend edward snowden news edward snowden nsa Snowden identity was revealed on the 9th Snowden flied to Russia on the 23rd 01/04/14 - SoMuS 2014 / ICMR 2014 - p 34
  35. 35. Experiments  Focus on people: automatic event-based timeline generation of 5 celebrities  “Ground truth” extracted from expert biographies and Wikipedia (from 2004) Benoit HUET - Event-centric HyperLinking of Socially Contributed Multimedia Content Mark Zuckerberg 27 events Oscar Pistorius 9 events Batman 9 events Beyoncé Knowles 28 events Edward Snowden 43 events 01/04/14 - SoMuS 2014 / ICMR 2014 - p 35
  36. 36. Event extraction Evaluation  Performance of our approach to detect important events  TP: true positive, TP: false positive, FN: false negative, DE: discovered event Benoit HUET - Event-centric HyperLinking of Socially Contributed Multimedia Content query # bursts TP FP FN DE Beyoncé K. 9 7 1 21 1 M.Zuckerberg 6 2 4 25 0 O.Pistorius 1 1 0 8 0 Batman 6 2 2 7 2 E. Snowden 2 2 0 41 0 01/04/14 - SoMuS 2014 / ICMR 2014 - p 36
  37. 37. Event discovery: Beyoncé  Burst week: 22nd to 28th July, 2013  Nothing in the ground truth  Associated keywords: Beyonce fall video Beyonce falling Beyonce falls Beyonce orlando Beyonce stairs Caida beyonce Benoit HUET - Event-centric HyperLinking of Socially Contributed Multimedia Content01/04/14 - SoMuS 2014 / ICMR 2014 - p 37
  38. 38. Video representative evaluation  Challenge: choice of an illustrative video  Event Relatedness ER (mean over all events): evaluation of the content of the video (not the quality)  Based on description provided by users Benoit HUET - Event-centric HyperLinking of Socially Contributed Multimedia Content Query # events Event Relatedness Beyoncé K. 8 0,81 M. Zuckerberg 2 1 O. Pistorius 1 0 Batman 4 1 E. Snowden 2 1 01/04/14 - SoMuS 2014 / ICMR 2014 - p 38
  39. 39.  Week: 10th to 16th February, 2013 Example query: Pistorius 01/04/14 - SoMuS 2014 / ICMR 2014 Benoit HUET - Event-centric HyperLinking of Socially Contributed Multimedia Content - p 39
  40. 40.  Week: 10th to 16th February, 2013  Associated keywords: Example query: Pistorius 01/04/14 - SoMuS 2014 / ICMR 2014 oscar pistorius girlfriend oscar pistorius news pistorius fidanzata pistorius girlfriend pistorius news reeva reeva pistorius reeva steenkamp Benoit HUET - Event-centric HyperLinking of Socially Contributed Multimedia Content - p 40
  41. 41.  Week: 10th to 16th February, 2013  Associated keywords:  DataSet tag cloud: Example query: Pistorius 01/04/14 - SoMuS 2014 / ICMR 2014 oscar pistorius girlfriend oscar pistorius news pistorius fidanzata pistorius girlfriend pistorius news reeva reeva pistorius reeva steenkamp Benoit HUET - Event-centric HyperLinking of Socially Contributed Multimedia Content - p 41
  42. 42.  Week: 10th to 16th February, 2013  Associated keywords:  Dataset tag cloud:  Illustrative video:  Nothing about Pistorius himself or the murder case  One of his opponents Example query: Pistorius 01/04/14 - SoMuS 2014 / ICMR 2014 Benoit HUET - Event-centric HyperLinking of Socially Contributed Multimedia Content oscar pistorius girlfriend oscar pistorius news pistorius fidanzata pistorius girlfriend pistorius news reeva reeva pistorius reeva steenkamp - p 42
  43. 43.  Week: 10th to 16th February, 2013  Associated keywords:  Dataset tag cloud:  Illustrative video:  Why: associated text Example query: Pistorius 01/04/14 - SoMuS 2014 / ICMR 2014 Benoit HUET - Event-centric HyperLinking of Socially Contributed Multimedia Content oscar pistorius girlfriend oscar pistorius news pistorius fidanzata pistorius girlfriend pistorius news reeva reeva pistorius reeva steenkamp BBC News -Paralympic Star Oscar Pistorius 'shoots girlfriend' 2013 Inscreva-se em nosso canal. Subscribe yourself to our channel. Suscríbase a nuestro canal, News for Oscar Pistorius girlfriend shot dead Oscar Pistorius charged with murder after girlfriend shot dead The Guardian ?- 17 hours ago South African athlete will appear in court on Friday after Reeva Steenkamp was found dead at his home in Pretoria. Pistorius' girlfriend killed on Valentine's Day she was looking forward to CNN? - 15 hours ago South African sprinter Oscar Pistorius charged with murder after girlfriend, Reeva Steenkamp, shot dead in his home New York Daily News? - 6 hours ago Pistorius 'shot, killed' girlfriend - The Courier-Mail www.couriermail.com.au/.../ - p 43
  44. 44. Conclusion  Socially Aware Hyperlinking Approaches  Automated Event-centric Illustration of topics  Creation of an Event-centric media-illustrated timeline related to a topic  “new” Events Discovery = non-official but triggered massive attention/searches  Future work: Work with visual features + ASR. Detect and identify people Work on long-term events 01/04/14 - SoMuS 2014 / ICMR 2014 Benoit HUET - Event-centric HyperLinking of Socially Contributed Multimedia Content - p 44
  45. 45. References  http://www.linkedtv.eu  http://www.mediamixer.eu  B. Safadi, M. Sahuguet, B. Huet, “When Textual and Visual Information join forces for Multimedia Retrieval”, ICMR 2014, ACM International Conference on Multimedia Retrieval 2014, April 1-4, Glasgow, Scotland  M. Sahuguet and B. Huet, “Mining the Web for Multimedia-based Enriching”, Multimedia Modeling 2014, Dublin, Ireland  X. Liu and B. Huet “Event Representation and Visualization from Social Media”, Pacific Rim Conference on Multimedia 2013, Dec 13-16, Nanjing, China  M. Sahuguet and B. Huet, “Socially motivated multimedia topic timeline summarization”, 2nd ACM International Workshop on Socially-Aware Multimedia, In conjunction with ACM Multimedia 2013, 21 October 2013, Barcelona, Spain  X. Liu and B. Huet “On the automatic online collection of training data for visual event modeling” Multimedia Tools and Applications, February 2013, ISSN: 1380-7501 01/04/14 - SoMuS 2014 / ICMR 2014 Benoit HUET - Event-centric HyperLinking of Socially Contributed Multimedia Content - p 49
  46. 46. Thank you for your attention  Questions? Benoit Huet EURECOM tel: +33 (0)493008179 Campus SophiaTech, 450 route des Chappes fax: +33 (0)493008200 06410 Biot Sophia Antipolis email: Benoit.Huet@eurecom.fr France http://www.eurecom.fr/en/people/huet-benoit 01/04/14 - SoMuS 2014 / ICMR 2014 Benoit HUET - Event-centric HyperLinking of Socially Contributed Multimedia Content - p 50

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