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DCU Search Runs at MediaEval 2012: Search and Hyperlinking Task

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DCU Search Runs at MediaEval 2012: Search and Hyperlinking Task

  1. 1. DCU Search Runs at MediaEval 2012: Search and Hyperlinking Task DCU Search Runs at MediaEval 2012: Search and Hyperlinking Task Maria Eskevich, Gareth J.F. JonesCentre for Digital Video Processing, Centre for Next Generation Localisation School of Computing, Dublin City University, Dublin, Ireland
  2. 2. DCU Search Runs at MediaEval 2012: Search and Hyperlinking TaskMotivation Conclusions from Rich Speech Retrieval (RSR) 2011: Addition of pause segmentation helps Normalizing length of segments make results more stable Search sub-task changes from RSR 2011: 2 transcripts (LIMSI/LIUM) bigger dataset new participants Need for simple baseline runs
  3. 3. DCU Search Runs at MediaEval 2012: Search and Hyperlinking TaskSegmentation method:Time = 180 sec, Pauses
  4. 4. DCU Search Runs at MediaEval 2012: Search and Hyperlinking TaskSegmentation method:Time = 180 sec, Pauses
  5. 5. DCU Search Runs at MediaEval 2012: Search and Hyperlinking TaskSegmentation method:Time = 180 sec, Pauses
  6. 6. DCU Search Runs at MediaEval 2012: Search and Hyperlinking TaskSegmentation method:Time = 180 sec, Overlap = 60 sec, Pauses
  7. 7. DCU Search Runs at MediaEval 2012: Search and Hyperlinking TaskSegmentation method:Time = 180 sec, Overlap = 60 sec, Pauses
  8. 8. DCU Search Runs at MediaEval 2012: Search and Hyperlinking TaskSegmentation method:Time = 180 sec, Overlap = 60 sec, Pauses
  9. 9. DCU Search Runs at MediaEval 2012: Search and Hyperlinking TaskSub-corpora details Sub-corpora details Run parameters Number of Transcript type Pause Overlap documents terms LIUM + – 865130 73601 LIUM + + 914085 LIMSI + – 331702 73601 LIMSI + + 355844 Terrier IR system with standard language model
  10. 10. DCU Search Runs at MediaEval 2012: Search and Hyperlinking TaskResults
  11. 11. DCU Search Runs at MediaEval 2012: Search and Hyperlinking TaskThank you for attention!Questions?

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