Suchen ist nicht gleich SuchenExplorative semantische   Multimediasuche Workshop ,Corporate Semantic Web‘            Xinno...
■ HPI was founded in October 1998 as a Public-            Private-Partnership          ■ HPI Research and Teaching is focu...
Semantic Technologies &       Multimedia Retrieval              ■ Research Topics                     □ Semantic Web Techn...
Suchen ist nicht gleich Suchen                                            Explorative semantische Multimediasuche         ...
Die Google-Suche...Harald Sack, Hasso-Plattner-Institute for IT-Systems Engineering, Workshop ,Corporate Semantic Web‘, XI...
The World according to Google...Harald Sack, Hasso-Plattner-Institute for IT-Systems Engineering, Workshop ,Corporate Sema...
The World according to Google...Harald Sack, Hasso-Plattner-Institute for IT-Systems Engineering, Workshop ,Corporate Sema...
The World according to Google...Harald Sack, Hasso-Plattner-Institute for IT-Systems Engineering, Workshop ,Corporate Sema...
The World according to Google...                                                                                          ...
The World according to Google...Harald Sack, Hasso-Plattner-Institute for IT-Systems Engineering, Workshop ,Corporate Sema...
The World according to Google...                                                                                          ...
The World according to Google...                                      Suchfacetten                                        ...
The World according to Google...Harald Sack, Hasso-Plattner-Institute for IT-Systems Engineering, Workshop ,Corporate Sema...
The World according to Google...Harald Sack, Hasso-Plattner-Institute for IT-Systems Engineering, Workshop ,Corporate Sema...
The World according to Google...             offene Fragen:             ‣habe ich das tatsächlich gesucht...?             ...
Die Google-Suche und                   Multimediadaten...Harald Sack, Hasso-Plattner-Institute for IT-Systems Engineering,...
Wie findet Google Multimediadaten?Harald Sack, Hasso-Plattner-Institute for IT-Systems Engineering, Workshop ,Corporate Se...
Wie findet Google Multimediadaten?Harald Sack, Hasso-Plattner-Institute for IT-Systems Engineering, Workshop ,Corporate Se...
Harald Sack, Hasso-Plattner-Institute for IT-Systems Engineering, Workshop ,Corporate Semantic Web‘, XInnovations 2011, Be...
Harald Sack, Hasso-Plattner-Institute for IT-Systems Engineering, Workshop ,Corporate Semantic Web‘, XInnovations 2011, Be...
Wie findet Google Multimediadaten?      ...      <a href="/mission_pages/shuttle/shuttlemissions/sts134/      multimedia/i...
Wie durchsuche ich ein                          Multimedia-Archiv?Harald Sack, Hasso-Plattner-Institute for IT-Systems Eng...
Wie durchsuche ich ein   Multimedia-Archiv?                                             Step 1: Digitalization of analog d...
Wie durchsuche ich ein   Multimedia-Archiv?                                           Step 1: Digitalization of analogue d...
Wie durchsuche ich ein   Multimedia-Archiv?  • manuelle Annotation mit inhaltsbeschreibenden      textbasierten MetadatenH...
Wie durchsuche ich ein   Multimedia-Archiv?  • manuelle Annotation mit inhaltsbeschreibenden      textbasierten Metadaten ...
Suchen ist nicht gleich Suchen                                            Explorative semantische Multimediasuche         ...
Automatisierte MedienanalyseHarald Sack, Hasso-Plattner-Institute for IT-Systems Engineering, Workshop ,Corporate Semantic...
Automatisierte MedienanalyseHarald Sack, Hasso-Plattner-Institute for IT-Systems Engineering, Workshop ,Corporate Semantic...
Automatisierte MedienanalyseHarald Sack, Hasso-Plattner-Institute for IT-Systems Engineering, Workshop ,Corporate Semantic...
Automatisierte Medienanalyse                                                                                              ...
Automatisierte Medienanalyse                                                                                              ...
Automatisierte Medienanalyse                                                                                              ...
Automatisierte Medienanalyse                                                                                              ...
Automatisierte Medienanalyse                                                                                              ...
Automatisierte Medienanalyse                                                                                              ...
Automatisierte Medienanalyse                          • Structural Analysis                          • Intelligent Charact...
Strukturelle Analyse                      • Zerlegung zeitbezogener Medien in inhaltlich zusammenhängende, kohärente      ...
Strukturelle Analyse                      • Zerlegung zeitbezogener Medien in inhaltlich zusammenhängende, kohärente      ...
Strukturelle Analyse                      • Zerlegung zeitbezogener Medien in inhaltlich zusammenhängende, kohärente      ...
Strukturelle Analyse                      • Zerlegung zeitbezogener Medien in inhaltlich zusammenhängende, kohärente      ...
Strukturelle Analyse                      • Zerlegung zeitbezogener Medien in inhaltlich zusammenhängende, kohärente      ...
Strukturelle Analyse                   •   Shot Boundary Detection                                                        ...
Automatisierte Medienanalyse                          • Structural Analysis                          • Intelligent Charact...
Intelligent Character Recognition                       • Preprocessing                         • Character Identification ...
Intelligent Character Recognition                  • Preprocessing                    • Character Identification           ...
Intelligent Character Recognition                  • Preprocessing                    • Character Identification           ...
Intelligent Character Recognition                                                                                         ...
Intelligent Character Recognition                                                                                         ...
Intelligent Character Recognition                                                                                         ...
Intelligent Character Recognition                                                                                         ...
Automatisierte Medienanalyse                    • Ergebnis: Multimediadaten mit spatiotemporalen AnnotationenMetadata Extr...
Automatisierte Medienanalyse                    • Ergebnis: Multimediadaten mit spatiotemporalen AnnotationenMetadata Extr...
...                                                           <SpatialDecomposition>                                      ...
Named Entity Recognition                                                                                                  ...
Named Entity Recognition                                               Entities                                           ...
Named Entity Recognition                                                                                                  ...
Semantic Multimedia Analysis                Video Analysis /                                                              ...
Semantic Multimedia Analysis                Video Analysis /                                                              ...
Semantic Multimedia Analysis      Named Entity Recognition                    • Mapping keyterms (text) to semantic entiti...
Semantic Multimedia Analysis      Named Entity Recognition                    • Mapping keyterms (text) to semantic entiti...
Semantic Multimedia Analysis      Named Entity Recognition                    • Mapping keyterms (text) to semantic entiti...
Semantic Multimedia Analysis            Context Analysis and Disambiguation              What defines a Context in AV-Data?...
Semantic Multimedia Analysis            Context Analysis and Disambiguation              What defines a Context in AV-Data?...
Semantic Multimedia Analysis            Context Analysis and Disambiguation              What defines a Context in AV-Data?...
Semantic Multimedia Analysis            Context Analysis and Disambiguation              What defines a Context in AV-Data?...
Statistische Analyse                       „jaguar“      http://dbpedia.org/resource/Jaguar_(Cats)                        ...
Statistische Analyse                       „jaguar“      http://dbpedia.org/resource/Jaguar_(Cars)                        ...
Semantic Graph Analysis                                                                                                   ...
Suchen ist nicht gleich Suchen                                            Explorative semantische Multimediasuche         ...
Searching is not always                 just searchingHarald Sack, Hasso-Plattner-Institute for IT-Systems Engineering, Wo...
ein Beispiel:                Ich suche nach dem Roman „Wem die Stunde schlägt“                von Ernest Hemingway, am bes...
ein Beispiel:                Ich suche nach dem Roman „Wem die Stunde schlägt“                von Ernest Hemingway, am bes...
aber was mache ich, wenn...                ...mir das Buch ,Wem die Stunde schlägt‘ gut                gefallen hat und ic...
aber was mache ich, wenn...                ...mir das Buch ,Wem die Stunde schlägt‘ gut                gefallen hat und ic...
Explorative Suche         • Der Nutzer weiß nicht genau, welchen Suchstring er benutzen soll         • Die Antwort ist nic...
Wie realisiert man eine                       explorative                  Multimediasuche?Harald Sack, Hasso-Plattner-Ins...
Explorative Multimediasuche                Video Analysis /                                                               ...
The Web of Data - The Semantic Web                                   Data is a precious thing and will last longer than th...
DBPedia - the Semantic Wikipedia            dbpedia:For_Whom_the_Bell_Tolls                                       What fac...
Explorative Multimediasuche                                          dbpedia-owl:author                                   ...
Explorative Multimediasuche                                                                                               ...
Explorative Multimediasuche                                                                                               ...
Explorative Multimediasuche                                                                                               ...
Explorative Multimediasuche                                      dbpedia-owl:author dbpedia:For_Whom_the_Bell_Tolls       ...
Explorative Multimediasuche                                                                                               ...
Explorative Multimediasuche                                                                                               ...
Explorative Multimediasuche                                                                                               ...
Explorative Multimediasuche                                                                                               ...
Explorative Multimediasuche                                                                                               ...
Explorative Multimediasuche                                                                                               ...
Explorative Multimediasuche                                                                                               ...
Wie könnte eine explorative         semantische       Multimediasuche         aussehen...?Harald Sack, Hasso-Plattner-Inst...
http://mediaglobe.yovisto.com:808029Harald Sack, Hasso-Plattner-Institute for IT-Systems Engineering, Workshop ,Corporate ...
Semantische Suchtechnologien            Explorative Suche in audiovisuellen Daten                                         ...
Semantische Suchtechnologien            Explorative Suche in audiovisuellen Daten                                         ...
J. Waitelonis, H. Sack, Z. Kramer, J. Hercher:                                                                            ...
Semantische Suchtechnologien            Explorative Suche in audiovisuellen Daten                                         ...
Semantische Suchtechnologien            Explorative Suche in audiovisuellen Daten                                         ...
Semantische Suchtechnologien            Explorative Suche in audiovisuellen Daten                                         ...
29Harald Sack, Hasso-Plattner-Institute for IT-Systems Engineering, Workshop ,Corporate Semantic Web‘, XInnovations 2011, ...
http://bit.ly/SeMEXHarald Sack, Hasso-Plattner-Institute for IT-Systems Engineering, Workshop ,Corporate Semantic Web‘, XI...
Suchen ist nicht gleich Suchen                                            Explorative semantische Multimediasuche         ...
Contact:       Dr. Harald Sack       Hasso-Plattner-Institut für Softwaresystemtechnik       Universität Potsdam       Pro...
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Xinnovations 2011 - Suchen ist nicht immer gleich Suchen

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Xinnovations 2011 - Suchen ist nicht immer gleich Suchen

  1. 1. Suchen ist nicht gleich SuchenExplorative semantische Multimediasuche Workshop ,Corporate Semantic Web‘ Xinnovations Berlin, 19 Sep. 2011 Dr. Harald Sack Hasso-Plattner-Institut for IT-Systems Engineering University of Potsdam
  2. 2. ■ HPI was founded in October 1998 as a Public- Private-Partnership ■ HPI Research and Teaching is focussed on IT Systems Engineering ■ 10 Professors and 100 Scientific Coworkers ■ 450 Bachelor / Master Students ■ HPI is winner of CHE-Ranking 2010 http://hpi.uni-potsdam.de/Harald Sack, Hasso-Plattner-Institute for IT-Systems Engineering, Workshop ,Corporate Semantic Web‘, XInnovations 2011, Berlin, 19. Sep. 2011
  3. 3. Semantic Technologies & Multimedia Retrieval ■ Research Topics □ Semantic Web Technologies □ Ontological Engineering □ Information Retrieval □ Multimedia Analysis & Retrieval □ Social Networking □ Data/Information Visualization ■ Research ProjectsHarald Sack, Hasso-Plattner-Institute for IT-Systems Engineering, Workshop ,Corporate Semantic Web‘, XInnovations 2011, Berlin, 19. Sep. 2011
  4. 4. Suchen ist nicht gleich Suchen Explorative semantische Multimediasuche Workshop Corporate Semantic Web, Xinnovations, Berlin, 19. Sep 2011 Overview (1) Suche in audiovisuellen Medien (2) Semantische Multimediaanalyse (3) Explorative semantische MultimediasucheHarald Sack, Hasso-Plattner-Institute for IT-Systems Engineering, Workshop ,Corporate Semantic Web‘, XInnovations 2011, Berlin, 19. Sep. 2011
  5. 5. Die Google-Suche...Harald Sack, Hasso-Plattner-Institute for IT-Systems Engineering, Workshop ,Corporate Semantic Web‘, XInnovations 2011, Berlin, 19. Sep. 2011
  6. 6. The World according to Google...Harald Sack, Hasso-Plattner-Institute for IT-Systems Engineering, Workshop ,Corporate Semantic Web‘, XInnovations 2011, Berlin, 19. Sep. 2011
  7. 7. The World according to Google...Harald Sack, Hasso-Plattner-Institute for IT-Systems Engineering, Workshop ,Corporate Semantic Web‘, XInnovations 2011, Berlin, 19. Sep. 2011
  8. 8. The World according to Google...Harald Sack, Hasso-Plattner-Institute for IT-Systems Engineering, Workshop ,Corporate Semantic Web‘, XInnovations 2011, Berlin, 19. Sep. 2011
  9. 9. The World according to Google... lineare ErgebnislisteHarald Sack, Hasso-Plattner-Institute for IT-Systems Engineering, Workshop ,Corporate Semantic Web‘, XInnovations 2011, Berlin, 19. Sep. 2011
  10. 10. The World according to Google...Harald Sack, Hasso-Plattner-Institute for IT-Systems Engineering, Workshop ,Corporate Semantic Web‘, XInnovations 2011, Berlin, 19. Sep. 2011
  11. 11. The World according to Google... MultimediaHarald Sack, Hasso-Plattner-Institute for IT-Systems Engineering, Workshop ,Corporate Semantic Web‘, XInnovations 2011, Berlin, 19. Sep. 2011
  12. 12. The World according to Google... Suchfacetten MultimediaHarald Sack, Hasso-Plattner-Institute for IT-Systems Engineering, Workshop ,Corporate Semantic Web‘, XInnovations 2011, Berlin, 19. Sep. 2011
  13. 13. The World according to Google...Harald Sack, Hasso-Plattner-Institute for IT-Systems Engineering, Workshop ,Corporate Semantic Web‘, XInnovations 2011, Berlin, 19. Sep. 2011
  14. 14. The World according to Google...Harald Sack, Hasso-Plattner-Institute for IT-Systems Engineering, Workshop ,Corporate Semantic Web‘, XInnovations 2011, Berlin, 19. Sep. 2011
  15. 15. The World according to Google... offene Fragen: ‣habe ich das tatsächlich gesucht...? ‣ist das alles...? ‣gibt es nicht noch mehr...? ‣wie komme ich weiter...? ‣welche Suchbegriffe muss ich wählen...? ‣wie finde ich heraus, was es noch alles gibt...?Harald Sack, Hasso-Plattner-Institute for IT-Systems Engineering, Workshop ,Corporate Semantic Web‘, XInnovations 2011, Berlin, 19. Sep. 2011
  16. 16. Die Google-Suche und Multimediadaten...Harald Sack, Hasso-Plattner-Institute for IT-Systems Engineering, Workshop ,Corporate Semantic Web‘, XInnovations 2011, Berlin, 19. Sep. 2011
  17. 17. Wie findet Google Multimediadaten?Harald Sack, Hasso-Plattner-Institute for IT-Systems Engineering, Workshop ,Corporate Semantic Web‘, XInnovations 2011, Berlin, 19. Sep. 2011
  18. 18. Wie findet Google Multimediadaten?Harald Sack, Hasso-Plattner-Institute for IT-Systems Engineering, Workshop ,Corporate Semantic Web‘, XInnovations 2011, Berlin, 19. Sep. 2011
  19. 19. Harald Sack, Hasso-Plattner-Institute for IT-Systems Engineering, Workshop ,Corporate Semantic Web‘, XInnovations 2011, Berlin, 19. Sep. 2011
  20. 20. Harald Sack, Hasso-Plattner-Institute for IT-Systems Engineering, Workshop ,Corporate Semantic Web‘, XInnovations 2011, Berlin, 19. Sep. 2011
  21. 21. Wie findet Google Multimediadaten? ... <a href="/mission_pages/shuttle/shuttlemissions/sts134/ multimedia/index.html"> <IMG WIDTH="100" ALT="Close-up view of Endeavours crew cabin prior to docking with the International Space Station" TITLE="Close-up view of Endeavours crew cabin prior to docking with the International Space Station" SRC="/images/ content/549665main_2011-05-18_1600_100-75.jpg" HEIGHT="75" ALIGN="Bottom" BORDER="0" /> </a> <p><a href="/mission_pages/shuttle/shuttlemissions/sts134/ multimedia/index.html">&rsaquo;&nbsp;STS-134 Multimedia</a></ p> ... ‣Suche erfolgt nach Link KontextHarald Sack, Hasso-Plattner-Institute for IT-Systems Engineering, Workshop ,Corporate Semantic Web‘, XInnovations 2011, Berlin, 19. Sep. 2011
  22. 22. Wie durchsuche ich ein Multimedia-Archiv?Harald Sack, Hasso-Plattner-Institute for IT-Systems Engineering, Workshop ,Corporate Semantic Web‘, XInnovations 2011, Berlin, 19. Sep. 2011
  23. 23. Wie durchsuche ich ein Multimedia-Archiv? Step 1: Digitalization of analog dataHarald Sack, Hasso-Plattner-Institute for IT-Systems Engineering, Workshop ,Corporate Semantic Web‘, XInnovations 2011, Berlin, 19. Sep. 2011
  24. 24. Wie durchsuche ich ein Multimedia-Archiv? Step 1: Digitalization of analogue data Step 2: Annotation with (textbased) metadataHarald Sack, Hasso-Plattner-Institute for IT-Systems Engineering, Workshop ,Corporate Semantic Web‘, XInnovations 2011, Berlin, 19. Sep. 2011
  25. 25. Wie durchsuche ich ein Multimedia-Archiv? • manuelle Annotation mit inhaltsbeschreibenden textbasierten MetadatenHarald Sack, Hasso-Plattner-Institute for IT-Systems Engineering, Workshop ,Corporate Semantic Web‘, XInnovations 2011, Berlin, 19. Sep. 2011
  26. 26. Wie durchsuche ich ein Multimedia-Archiv? • manuelle Annotation mit inhaltsbeschreibenden textbasierten Metadaten ...geht das auch mit automatischen Verfahren?Harald Sack, Hasso-Plattner-Institute for IT-Systems Engineering, Workshop ,Corporate Semantic Web‘, XInnovations 2011, Berlin, 19. Sep. 2011
  27. 27. Suchen ist nicht gleich Suchen Explorative semantische Multimediasuche Workshop Corporate Semantic Web, Xinnovations, Berlin, 19. Sep 2011 Overview (1) Suche in audiovisuellen Medien (2) Semantische Multimediaanalyse (3) Explorative semantische MultimediasucheHarald Sack, Hasso-Plattner-Institute for IT-Systems Engineering, Workshop ,Corporate Semantic Web‘, XInnovations 2011, Berlin, 19. Sep. 2011
  28. 28. Automatisierte MedienanalyseHarald Sack, Hasso-Plattner-Institute for IT-Systems Engineering, Workshop ,Corporate Semantic Web‘, XInnovations 2011, Berlin, 19. Sep. 2011
  29. 29. Automatisierte MedienanalyseHarald Sack, Hasso-Plattner-Institute for IT-Systems Engineering, Workshop ,Corporate Semantic Web‘, XInnovations 2011, Berlin, 19. Sep. 2011
  30. 30. Automatisierte MedienanalyseHarald Sack, Hasso-Plattner-Institute for IT-Systems Engineering, Workshop ,Corporate Semantic Web‘, XInnovations 2011, Berlin, 19. Sep. 2011
  31. 31. Automatisierte Medienanalyse Face DetectionHarald Sack, Hasso-Plattner-Institute for IT-Systems Engineering, Workshop ,Corporate Semantic Web‘, XInnovations 2011, Berlin, 19. Sep. 2011
  32. 32. Automatisierte Medienanalyse Genre Analysis Classification: Studio Indoor Nachrichten Face DetectionHarald Sack, Hasso-Plattner-Institute for IT-Systems Engineering, Workshop ,Corporate Semantic Web‘, XInnovations 2011, Berlin, 19. Sep. 2011
  33. 33. Automatisierte Medienanalyse Genre Analysis Classification: Studio Indoor overlay Nachrichten Face text DetectionHarald Sack, Hasso-Plattner-Institute for IT-Systems Engineering, Workshop ,Corporate Semantic Web‘, XInnovations 2011, Berlin, 19. Sep. 2011
  34. 34. Automatisierte Medienanalyse Genre Analysis Classification: Studio Indoor overlay Nachrichten Face text Detection scene textHarald Sack, Hasso-Plattner-Institute for IT-Systems Engineering, Workshop ,Corporate Semantic Web‘, XInnovations 2011, Berlin, 19. Sep. 2011
  35. 35. Automatisierte Medienanalyse Genre Analysis Classification: Studio Indoor overlay Nachrichten Face Logo text Detection Detection scene textHarald Sack, Hasso-Plattner-Institute for IT-Systems Engineering, Workshop ,Corporate Semantic Web‘, XInnovations 2011, Berlin, 19. Sep. 2011
  36. 36. Automatisierte Medienanalyse Genre Analysis Classification: Studio Indoor overlay Nachrichten Face Logo text Detection Detection scene text Audio-Mining structural Automated speaker analysis Speech identification RecognitionHarald Sack, Hasso-Plattner-Institute for IT-Systems Engineering, Workshop ,Corporate Semantic Web‘, XInnovations 2011, Berlin, 19. Sep. 2011
  37. 37. Automatisierte Medienanalyse • Structural Analysis • Intelligent Character Recognition (ICR) • Character/Logo Detection • Character Filtering • Character Recognition • Audio Analysis • Speaker Detection • Automated Speech Recognition (ASR) • Genre Analysis / Categorization •graphic / real •indoor / outdoor •day / night •... • Face/Body/Object Detection, Tracking & ClusteringHarald Sack, Hasso-Plattner-Institute for IT-Systems Engineering, Workshop ,Corporate Semantic Web‘, XInnovations 2011, Berlin, 19. Sep. 2011
  38. 38. Strukturelle Analyse • Zerlegung zeitbezogener Medien in inhaltlich zusammenhängende, kohärente Unterabschnitte videoHarald Sack, Hasso-Plattner-Institute for IT-Systems Engineering, Workshop ,Corporate Semantic Web‘, XInnovations 2011, Berlin, 19. Sep. 2011
  39. 39. Strukturelle Analyse • Zerlegung zeitbezogener Medien in inhaltlich zusammenhängende, kohärente Unterabschnitte video scenesHarald Sack, Hasso-Plattner-Institute for IT-Systems Engineering, Workshop ,Corporate Semantic Web‘, XInnovations 2011, Berlin, 19. Sep. 2011
  40. 40. Strukturelle Analyse • Zerlegung zeitbezogener Medien in inhaltlich zusammenhängende, kohärente Unterabschnitte video scenes shotsHarald Sack, Hasso-Plattner-Institute for IT-Systems Engineering, Workshop ,Corporate Semantic Web‘, XInnovations 2011, Berlin, 19. Sep. 2011
  41. 41. Strukturelle Analyse • Zerlegung zeitbezogener Medien in inhaltlich zusammenhängende, kohärente Unterabschnitte video scenes shots subhotsHarald Sack, Hasso-Plattner-Institute for IT-Systems Engineering, Workshop ,Corporate Semantic Web‘, XInnovations 2011, Berlin, 19. Sep. 2011
  42. 42. Strukturelle Analyse • Zerlegung zeitbezogener Medien in inhaltlich zusammenhängende, kohärente Unterabschnitte video scenes shots subhots framesHarald Sack, Hasso-Plattner-Institute for IT-Systems Engineering, Workshop ,Corporate Semantic Web‘, XInnovations 2011, Berlin, 19. Sep. 2011
  43. 43. Strukturelle Analyse • Shot Boundary Detection Histogram Difference Analysis shots • Identification of • Hard Cuts • Drop Outs • Soft Cuts, as e.g., Dissolve, Wipe, Cross-Fade, etc. Analytical Shot Boundary Detection Motion Vector Analysis • Analysis of Luminance/Chrominance Histograms • Analysis of Edge Distribution • Analysis of Motion Vectors Machine Learning • Classification of Hard/Soft Cuts based on Image Features • K-Nearest Neighbor • Random Forrest • Support Vector MachinesHarald Sack, Hasso-Plattner-Institute for IT-Systems Engineering, Workshop ,Corporate Semantic Web‘, XInnovations 2011, Berlin, 19. Sep. 2011
  44. 44. Automatisierte Medienanalyse • Structural Analysis • Intelligent Character Recognition (ICR) • Character/Logo Detection • Character Filtering • Character Recognition • Audio Analysis • Speaker Detection • Automated Speech Recognition (ASR) • Genre Analysis / Categorization •graphic / real •indoor / outdoor •day / night •... • Face/Body/Object Detection, Tracking & ClusteringHarald Sack, Hasso-Plattner-Institute for IT-Systems Engineering, Workshop ,Corporate Semantic Web‘, XInnovations 2011, Berlin, 19. Sep. 2011
  45. 45. Intelligent Character Recognition • Preprocessing • Character Identification • Text Preprocessing • Text Filtering • Adaption of script geometry (Deskew) • Image quality enhancement • Optical Character Recognition (OCR) • Standard OCR software (OCRopus) • Postprocessing • Lexical analysis • Statistical / context based filtering Ermittlungen nach BombenfundenHarald Sack, Hasso-Plattner-Institute for IT-Systems Engineering, Workshop ,Corporate Semantic Web‘, XInnovations 2011, Berlin, 19. Sep. 2011
  46. 46. Intelligent Character Recognition • Preprocessing • Character Identification Filtering • Local Binary Patterns (LBP) • Histogram of Oriented GradientsHarald Sack, Hasso-Plattner-Institute for IT-Systems Engineering, Workshop ,Corporate Semantic Web‘, XInnovations 2011, Berlin, 19. Sep. 2011
  47. 47. Intelligent Character Recognition • Preprocessing • Character Identification Filtering • Local Binary Patterns (LBP) • Histogram of Oriented GradientsHarald Sack, Hasso-Plattner-Institute for IT-Systems Engineering, Workshop ,Corporate Semantic Web‘, XInnovations 2011, Berlin, 19. Sep. 2011
  48. 48. Intelligent Character Recognition Original Image Bounding BoxHarald Sack, Hasso-Plattner-Institute for IT-Systems Engineering, Workshop ,Corporate Semantic Web‘, XInnovations 2011, Berlin, 19. Sep. 2011
  49. 49. Intelligent Character Recognition Advanced Image EnhancementHarald Sack, Hasso-Plattner-Institute for IT-Systems Engineering, Workshop ,Corporate Semantic Web‘, XInnovations 2011, Berlin, 19. Sep. 2011
  50. 50. Intelligent Character Recognition Standard OCR (OCRopus)Harald Sack, Hasso-Plattner-Institute for IT-Systems Engineering, Workshop ,Corporate Semantic Web‘, XInnovations 2011, Berlin, 19. Sep. 2011
  51. 51. Intelligent Character Recognition Context-based Spell CorrectionHarald Sack, Hasso-Plattner-Institute for IT-Systems Engineering, Workshop ,Corporate Semantic Web‘, XInnovations 2011, Berlin, 19. Sep. 2011
  52. 52. Automatisierte Medienanalyse • Ergebnis: Multimediadaten mit spatiotemporalen AnnotationenMetadata Extraction time Metadata (e.g. MPEG-7) ... <Video> <TemporalDecomposition> <VideoSegment> <TextAnnotation> <KeywordAnnotation> <Keyword>Astronaut</Keyword> </KeywordAnnotation> </TextAnnotation> <MediaTime> <MediaTimePoint> T00:05:05:0F25 </MediaTimePoint> <MediaDuration> PT00H00M31S0N25F </MediaDuration> </MediaTime> ... </VideoSegment> </TemporalDecomposition> </Video> ...Harald Sack, Hasso-Plattner-Institute for IT-Systems Engineering, Workshop ,Corporate Semantic Web‘, XInnovations 2011, Berlin, 19. Sep. 2011
  53. 53. Automatisierte Medienanalyse • Ergebnis: Multimediadaten mit spatiotemporalen AnnotationenMetadata Extraction Metadata (e.g. MPEG-7) ... <SpatialDecomposition> <TextAnnotation> <KeywordAnnotation> <Keyword>Astronaut</Keyword> </KeywordAnnotation> </TextAnnotation> <SpatialMask> <SubRegion> <Polygon> <Coords> 480 150 620 480 </Coords> </Polygon> </SubRegion> </SpatialMask> ... </SpatialDecomposition> ...Harald Sack, Hasso-Plattner-Institute for IT-Systems Engineering, Workshop ,Corporate Semantic Web‘, XInnovations 2011, Berlin, 19. Sep. 2011
  54. 54. ... <SpatialDecomposition> <TextAnnotation> <KeywordAnnotation> <Keyword>Astronaut</Keyword> </KeywordAnnotation> </TextAnnotation> <SpatialMask> <SubRegion> <Polygon> <Coords> 480 150 620 480 </Coords> </Polygon> </SubRegion> </SpatialMask> ... </SpatialDecomposition> ... Aber wie werden d Metadate ie n seman tisch?Harald Sack, Hasso-Plattner-Institute for IT-Systems Engineering, Workshop ,Corporate Semantic Web‘, XInnovations 2011, Berlin, 19. Sep. 2011
  55. 55. Named Entity Recognition Neil Armstrong is a is a Astronaut Person is a Science Occupation is a EmploymentHarald Sack, Hasso-Plattner-Institute for IT-Systems Engineering, Workshop ,Corporate Semantic Web‘, XInnovations 2011, Berlin, 19. Sep. 2011
  56. 56. Named Entity Recognition Entities Neil Armstrong is a is a Astronaut Person Classes (Ontologies) is a Science Occupation is a EmploymentHarald Sack, Hasso-Plattner-Institute for IT-Systems Engineering, Workshop ,Corporate Semantic Web‘, XInnovations 2011, Berlin, 19. Sep. 2011
  57. 57. Named Entity Recognition Neil Armstrong is a is a Astronaut Person is a Science Occupation is a EmploymentHarald Sack, Hasso-Plattner-Institute for IT-Systems Engineering, Workshop ,Corporate Semantic Web‘, XInnovations 2011, Berlin, 19. Sep. 2011
  58. 58. Semantic Multimedia Analysis Video Analysis / time Metadata Extraction metadata metadata metadata metadata metadataHarald Sack, Hasso-Plattner-Institute for IT-Systems Engineering, Workshop ,Corporate Semantic Web‘, XInnovations 2011, Berlin, 19. Sep. 2011
  59. 59. Semantic Multimedia Analysis Video Analysis / time Metadata Extraction metadata metadata metadata metadata Entity Recognition/ metadata Mapping e.g., person xy location yz event abc e.g., bibliographical data, geographical data, encyclopedic data, ..Harald Sack, Hasso-Plattner-Institute for IT-Systems Engineering, Workshop ,Corporate Semantic Web‘, XInnovations 2011, Berlin, 19. Sep. 2011
  60. 60. Semantic Multimedia Analysis Named Entity Recognition • Mapping keyterms (text) to semantic entities • Context Analysis and DisambiguationHarald Sack, Hasso-Plattner-Institute for IT-Systems Engineering, Workshop ,Corporate Semantic Web‘, XInnovations 2011, Berlin, 19. Sep. 2011
  61. 61. Semantic Multimedia Analysis Named Entity Recognition • Mapping keyterms (text) to semantic entities • Context Analysis and Disambiguation Jaguar Keyterm / User TagHarald Sack, Hasso-Plattner-Institute for IT-Systems Engineering, Workshop ,Corporate Semantic Web‘, XInnovations 2011, Berlin, 19. Sep. 2011
  62. 62. Semantic Multimedia Analysis Named Entity Recognition • Mapping keyterms (text) to semantic entities • Context Analysis and Disambiguation Semantic Entities Jaguar (Car) ? Jaguar (Cat) ? Jaguar (OS) ? Jaguar Keyterm / User Tag Jaguar (Aircraft) ?Harald Sack, Hasso-Plattner-Institute for IT-Systems Engineering, Workshop ,Corporate Semantic Web‘, XInnovations 2011, Berlin, 19. Sep. 2011
  63. 63. Semantic Multimedia Analysis Context Analysis and Disambiguation What defines a Context in AV-Data? • Temporal Coherence • Spatial Coherenceurring • Provenanceuationed by order static novels and Harald Sack, Hasso-Plattner-Institute for IT-Systems Engineering, Workshop ,Corporate Semantic Web‘, XInnovations 2011, Berlin, 19. Sep. 2011
  64. 64. Semantic Multimedia Analysis Context Analysis and Disambiguation What defines a Context in AV-Data? • Temporal Coherence • Spatial Coherenceurring • Provenanceuation Spatialed by Dimension order static novels and Harald Sack, Hasso-Plattner-Institute for IT-Systems Engineering, Workshop ,Corporate Semantic Web‘, XInnovations 2011, Berlin, 19. Sep. 2011
  65. 65. Semantic Multimedia Analysis Context Analysis and Disambiguation What defines a Context in AV-Data? • Temporal Coherence • Spatial Coherenceurring • Provenanceuation Spatialed by Dimension order static novels and Temporal Dimension Harald Sack, Hasso-Plattner-Institute for IT-Systems Engineering, Workshop ,Corporate Semantic Web‘, XInnovations 2011, Berlin, 19. Sep. 2011
  66. 66. Semantic Multimedia Analysis Context Analysis and Disambiguation What defines a Context in AV-Data? • Temporal Coherence • Spatial Coherenceurring • Provenanceuation Spatialed by Dimension User-centered orderDimension static novels and Temporal Dimension Harald Sack, Hasso-Plattner-Institute for IT-Systems Engineering, Workshop ,Corporate Semantic Web‘, XInnovations 2011, Berlin, 19. Sep. 2011
  67. 67. Statistische Analyse „jaguar“ http://dbpedia.org/resource/Jaguar_(Cats) 1956 wheel rim steve mcqueen context ? Cooccurrence AnalysisHarald Sack, Hasso-Plattner-Institute for IT-Systems Engineering, Workshop ,Corporate Semantic Web‘, XInnovations 2011, Berlin, 19. Sep. 2011
  68. 68. Statistische Analyse „jaguar“ http://dbpedia.org/resource/Jaguar_(Cars) 1956 wheel rim steve mcqueen context ? Cooccurrence AnalysisHarald Sack, Hasso-Plattner-Institute for IT-Systems Engineering, Workshop ,Corporate Semantic Web‘, XInnovations 2011, Berlin, 19. Sep. 2011
  69. 69. Semantic Graph Analysis Jaguar (Car) Steve McQueen Keyterm / User Tag 1956 Jaguar (OS) jaguar Jaguar (Cat) 1956 Steve jaguar rim wheel McQueen context LOD CloudHarald Sack, Hasso-Plattner-Institute for IT-Systems Engineering, Workshop ,Corporate Semantic Web‘, XInnovations 2011, Berlin, 19. Sep. 2011
  70. 70. Suchen ist nicht gleich Suchen Explorative semantische Multimediasuche Workshop Corporate Semantic Web, Xinnovations, Berlin, 19. Sep 2011 Overview (1) Suche in audiovisuellen Medien (2) Semantische Multimediaanalyse (3) Explorative semantische MultimediasucheHarald Sack, Hasso-Plattner-Institute for IT-Systems Engineering, Workshop ,Corporate Semantic Web‘, XInnovations 2011, Berlin, 19. Sep. 2011
  71. 71. Searching is not always just searchingHarald Sack, Hasso-Plattner-Institute for IT-Systems Engineering, Workshop ,Corporate Semantic Web‘, XInnovations 2011, Berlin, 19. Sep. 2011
  72. 72. ein Beispiel: Ich suche nach dem Roman „Wem die Stunde schlägt“ von Ernest Hemingway, am besten in der ersten deutsch- sprachigen AuflageHarald Sack, Hasso-Plattner-Institute for IT-Systems Engineering, Workshop ,Corporate Semantic Web‘, XInnovations 2011, Berlin, 19. Sep. 2011
  73. 73. ein Beispiel: Ich suche nach dem Roman „Wem die Stunde schlägt“ von Ernest Hemingway, am besten in der ersten deutsch- sprachigen Auflage Wem die Ernest H Stunde schlägt. (Stockho E M I N G W A - Fischer lm usw., Berman Y. S. 8“ Verlag, n- 1941) 56 0 II 1, 25 06, 3454 8Harald Sack, Hasso-Plattner-Institute for IT-Systems Engineering, Workshop ,Corporate Semantic Web‘, XInnovations 2011, Berlin, 19. Sep. 2011
  74. 74. aber was mache ich, wenn... ...mir das Buch ,Wem die Stunde schlägt‘ gut gefallen hat und ich jetzt nicht weiß, was ich als nächstes lesen soll...Harald Sack, Hasso-Plattner-Institute for IT-Systems Engineering, Workshop ,Corporate Semantic Web‘, XInnovations 2011, Berlin, 19. Sep. 2011
  75. 75. aber was mache ich, wenn... ...mir das Buch ,Wem die Stunde schlägt‘ gut gefallen hat und ich jetzt nicht weiß, was ich als nächstes lesen soll...Harald Sack, Hasso-Plattner-Institute for IT-Systems Engineering, Workshop ,Corporate Semantic Web‘, XInnovations 2011, Berlin, 19. Sep. 2011
  76. 76. Explorative Suche • Der Nutzer weiß nicht genau, welchen Suchstring er benutzen soll • Die Antwort ist nicht in einem Dokument aleine zu finden • Der Nutzer kennt sich im gesuchten Themengebiet nicht aus • Der Nutzer sucht einen Gesamtüberblick über ein Thema • ... • ...,Stöbern‘ statt ,Suchen‘ • ...etwas zufällig finden • ...Serendipity • ...einen Überblick gewinnen • ...den Suchraum erkundenHarald Sack, Hasso-Plattner-Institute for IT-Systems Engineering, Workshop ,Corporate Semantic Web‘, XInnovations 2011, Berlin, 19. Sep. 2011
  77. 77. Wie realisiert man eine explorative Multimediasuche?Harald Sack, Hasso-Plattner-Institute for IT-Systems Engineering, Workshop ,Corporate Semantic Web‘, XInnovations 2011, Berlin, 19. Sep. 2011
  78. 78. Explorative Multimediasuche Video Analysis / time Metadata Extraction metadata metadata metadata metadata Entity Recognition/ metadata Mapping e.g., person xy location yz event abc e.g., bibliographical data, geographical data, encyclopedic data, ..Harald Sack, Hasso-Plattner-Institute for IT-Systems Engineering, Workshop ,Corporate Semantic Web‘, XInnovations 2011, Berlin, 19. Sep. 2011
  79. 79. The Web of Data - The Semantic Web Data is a precious thing and will last longer than the systems themselves. (Tim Berners-Lee)Harald Sack, Hasso-Plattner-Institute for IT-Systems Engineering, Workshop ,Corporate Semantic Web‘, XInnovations 2011, Berlin, 19. Sep. 2011 http://linkeddata.org/
  80. 80. DBPedia - the Semantic Wikipedia dbpedia:For_Whom_the_Bell_Tolls What facts for http://dbpedia.org/page/ For_Whom_the_Bell_Tolls dbpedia:For_Whom_the_Bell_Tolls are relevant? ...use heuristicsHarald Sack, Hasso-Plattner-Institute for IT-Systems Engineering, Workshop ,Corporate Semantic Web‘, XInnovations 2011, Berlin, 19. Sep. 2011
  81. 81. Explorative Multimediasuche dbpedia-owl:author dbpedia:Ernest_Hemingway dbpedia:For_Whom_the_Bell_TollsHarald Sack, Hasso-Plattner-Institute for IT-Systems Engineering, Workshop ,Corporate Semantic Web‘, XInnovations 2011, Berlin, 19. Sep. 2011
  82. 82. Explorative Multimediasuche or uth :a wl -o dia pe db dbpedia-owl:author dbpedia:Ernest_Hemingway dbpedia:For_Whom_the_Bell_TollsHarald Sack, Hasso-Plattner-Institute for IT-Systems Engineering, Workshop ,Corporate Semantic Web‘, XInnovations 2011, Berlin, 19. Sep. 2011
  83. 83. Explorative Multimediasuche or uth :a wl -o r tho dia u l :a ow pe d ia- db pe db dbpedia-owl:author dbpedia:Ernest_Hemingway dbpedia:For_Whom_the_Bell_TollsHarald Sack, Hasso-Plattner-Institute for IT-Systems Engineering, Workshop ,Corporate Semantic Web‘, XInnovations 2011, Berlin, 19. Sep. 2011
  84. 84. Explorative Multimediasuche or uth :a wl -o r tho dia u l :a ow pe d ia- db pe db dbpedia-owl:author dbpedia-owl:author dbpedia:Ernest_Hemingway dbpedia:For_Whom_the_Bell_TollsHarald Sack, Hasso-Plattner-Institute for IT-Systems Engineering, Workshop ,Corporate Semantic Web‘, XInnovations 2011, Berlin, 19. Sep. 2011
  85. 85. Explorative Multimediasuche dbpedia-owl:author dbpedia:For_Whom_the_Bell_Tolls dbpedia:Ernest_HemingwayHarald Sack, Hasso-Plattner-Institute for IT-Systems Engineering, Workshop ,Corporate Semantic Web‘, XInnovations 2011, Berlin, 19. Sep. 2011
  86. 86. Explorative Multimediasuche y dbpedia:Raymond_Carver - d _b edia ence bp influ d l: ow dbpedia-owl:author dbpedia:For_Whom_the_Bell_Tolls dbpedia:Ernest_HemingwayHarald Sack, Hasso-Plattner-Institute for IT-Systems Engineering, Workshop ,Corporate Semantic Web‘, XInnovations 2011, Berlin, 19. Sep. 2011
  87. 87. Explorative Multimediasuche dbpedia:Jack_Kerouac by d_ ce en l:in a- flu ow pedi db _b y dbpedia:Raymond_Carver - d edia ence bp influ d l: ow dbpedia-owl:author dbpedia:For_Whom_the_Bell_Tolls dbpedia:Ernest_HemingwayHarald Sack, Hasso-Plattner-Institute for IT-Systems Engineering, Workshop ,Corporate Semantic Web‘, XInnovations 2011, Berlin, 19. Sep. 2011
  88. 88. Explorative Multimediasuche dbpedia:Jack_Kerouac by d_ ce en l:in a- flu ow pedi db _b y dbpedia:Raymond_Carver - d edia ence bp influ d l: ow dbpedia-owl:author dbpedia-owl:influenced_by dbpedia:For_Whom_the_Bell_Tolls dbpedia:Ernest_Hemingway dbpedia:Jerome_D._SalingerHarald Sack, Hasso-Plattner-Institute for IT-Systems Engineering, Workshop ,Corporate Semantic Web‘, XInnovations 2011, Berlin, 19. Sep. 2011
  89. 89. Explorative Multimediasuche dbpedia:Jerome_D._Salinger dbpedia:Jack_Kerouac dbpedia:Raymond_CarverHarald Sack, Hasso-Plattner-Institute for IT-Systems Engineering, Workshop ,Corporate Semantic Web‘, XInnovations 2011, Berlin, 19. Sep. 2011
  90. 90. Explorative Multimediasuche dbpedia:Jerome_D._Salinger dbpedia:Jack_Kerouac dbpedia:Raymond_Carver dbpedia-owl:notableWorkHarald Sack, Hasso-Plattner-Institute for IT-Systems Engineering, Workshop ,Corporate Semantic Web‘, XInnovations 2011, Berlin, 19. Sep. 2011
  91. 91. Explorative Multimediasuche dbpedia:Jerome_D._Salinger dbpedia:Jack_Kerouac dbpedia:Raymond_Carver dbpedia-owl:notableWork dbpedia-owl:notableWorkHarald Sack, Hasso-Plattner-Institute for IT-Systems Engineering, Workshop ,Corporate Semantic Web‘, XInnovations 2011, Berlin, 19. Sep. 2011
  92. 92. Explorative Multimediasuche dbpedia:Jerome_D._Salinger dbpedia:Jack_Kerouac dbpedia:Raymond_Carver dbpedia-owl:notableWork dbpedia- dbpedia-owl:notableWork owl:notableWorkHarald Sack, Hasso-Plattner-Institute for IT-Systems Engineering, Workshop ,Corporate Semantic Web‘, XInnovations 2011, Berlin, 19. Sep. 2011
  93. 93. Wie könnte eine explorative semantische Multimediasuche aussehen...?Harald Sack, Hasso-Plattner-Institute for IT-Systems Engineering, Workshop ,Corporate Semantic Web‘, XInnovations 2011, Berlin, 19. Sep. 2011
  94. 94. http://mediaglobe.yovisto.com:808029Harald Sack, Hasso-Plattner-Institute for IT-Systems Engineering, Workshop ,Corporate Semantic Web‘, XInnovations 2011, Berlin, 19. Sep. 2011
  95. 95. Semantische Suchtechnologien Explorative Suche in audiovisuellen Daten J. Waitelonis, H. Sack, Z. Kramer, J. Hercher: Semantically Enabled Exploratory Video Search, in Proc. of Semantic Search Workshop29 (SemSearch10) at the 19th Int. World Wide Web Conference (WWW2010), 26-30 April 2010, Raleigh, NC, USA, 2010.Harald Sack, Hasso-Plattner-Institute for IT-Systems Engineering, Workshop ,Corporate Semantic Web‘, XInnovations 2011, Berlin, 19. Sep. 2011
  96. 96. Semantische Suchtechnologien Explorative Suche in audiovisuellen Daten J. Waitelonis, H. Sack, Z. Kramer, J. Hercher: Semantically Enabled Exploratory Video Search, in Proc. of Semantic Search Workshop29 (SemSearch10) at the 19th Int. World Wide Web Conference (WWW2010), 26-30 April 2010, Raleigh, NC, USA, 2010.Harald Sack, Hasso-Plattner-Institute for IT-Systems Engineering, Workshop ,Corporate Semantic Web‘, XInnovations 2011, Berlin, 19. Sep. 2011
  97. 97. J. Waitelonis, H. Sack, Z. Kramer, J. Hercher: Semantically Enabled Exploratory Video Search, in Proc. of Semantic Search Workshop29 (SemSearch10) at the 19th Int. World Wide Web Conference (WWW2010), 26-30 April 2010, Raleigh, NC, USA, 2010.Harald Sack, Hasso-Plattner-Institute for IT-Systems Engineering, Workshop ,Corporate Semantic Web‘, XInnovations 2011, Berlin, 19. Sep. 2011
  98. 98. Semantische Suchtechnologien Explorative Suche in audiovisuellen Daten J. Waitelonis, H. Sack, Z. Kramer, J. Hercher: Semantically Enabled Exploratory Video Search, in Proc. of Semantic Search Workshop29 (SemSearch10) at the 19th Int. World Wide Web Conference (WWW2010), 26-30 April 2010, Raleigh, NC, USA, 2010.Harald Sack, Hasso-Plattner-Institute for IT-Systems Engineering, Workshop ,Corporate Semantic Web‘, XInnovations 2011, Berlin, 19. Sep. 2011
  99. 99. Semantische Suchtechnologien Explorative Suche in audiovisuellen Daten J. Waitelonis, H. Sack, Z. Kramer, J. Hercher: Semantically Enabled Exploratory Video Search, in Proc. of Semantic Search Workshop29 (SemSearch10) at the 19th Int. World Wide Web Conference (WWW2010), 26-30 April 2010, Raleigh, NC, USA, 2010.Harald Sack, Hasso-Plattner-Institute for IT-Systems Engineering, Workshop ,Corporate Semantic Web‘, XInnovations 2011, Berlin, 19. Sep. 2011
  100. 100. Semantische Suchtechnologien Explorative Suche in audiovisuellen Daten J. Waitelonis, H. Sack, Z. Kramer, J. Hercher: Semantically Enabled Exploratory Video Search, in Proc. of Semantic Search Workshop29 (SemSearch10) at the 19th Int. World Wide Web Conference (WWW2010), 26-30 April 2010, Raleigh, NC, USA, 2010.Harald Sack, Hasso-Plattner-Institute for IT-Systems Engineering, Workshop ,Corporate Semantic Web‘, XInnovations 2011, Berlin, 19. Sep. 2011
  101. 101. 29Harald Sack, Hasso-Plattner-Institute for IT-Systems Engineering, Workshop ,Corporate Semantic Web‘, XInnovations 2011, Berlin, 19. Sep. 2011
  102. 102. http://bit.ly/SeMEXHarald Sack, Hasso-Plattner-Institute for IT-Systems Engineering, Workshop ,Corporate Semantic Web‘, XInnovations 2011, Berlin, 19. Sep. 2011
  103. 103. Suchen ist nicht gleich Suchen Explorative semantische Multimediasuche Workshop Corporate Semantic Web, Xinnovations, Berlin, 19. Sep 2011 Overview (1) Suche in audiovisuellen Medien (2) Semantische Multimediaanalyse (3) Explorative semantische MultimediasucheHarald Sack, Hasso-Plattner-Institute for IT-Systems Engineering, Workshop ,Corporate Semantic Web‘, XInnovations 2011, Berlin, 19. Sep. 2011
  104. 104. Contact: Dr. Harald Sack Hasso-Plattner-Institut für Softwaresystemtechnik Universität Potsdam Prof.-Dr.-Helmert-Str. 2-3 D-14482 Potsdam Homepage: ttp://www.hpi.uni-potsdam.de/meinel/team/sack.html h http://www.yovisto.com/ Blog: http://moresemantic.blogspot.com/ E-Mail: harald.sack@hpi.uni-potsdam.de joerg.waitelonis@hpi.uni-potsdam.de Ih re Twitter: lysander07 / biblionomicon / yovisto ank f ür len D Vie ke it! rks am A uf meHarald Sack, Hasso-Plattner-Institute for IT-Systems Engineering, Workshop ,Corporate Semantic Web‘, XInnovations 2011, Berlin, 19. Sep. 2011
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