DCU Search Runs at MediaEval 2012: Search and Hyperlinking Task
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This document summarizes the DCU Search runs submitted to the MediaEval 2012 Search and Hyperlinking task. It describes the segmentation method used, which segmented audio into 180 second segments with 60 seconds of overlap and included pauses. It also provides details on the sub-corpora used, including the number of documents and terms for runs using the LIUM and LIMSI transcripts with and without pause segmentation and overlap. The runs used the Terrier IR system with a standard language model.
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- 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. Jones Centre for Digital Video Processing, Centre for Next Generation Localisation School of Computing, Dublin City University, Dublin, Ireland
- 2. DCU Search Runs at MediaEval 2012: Search and Hyperlinking Task Motivation 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. DCU Search Runs at MediaEval 2012: Search and Hyperlinking Task Segmentation method: Time = 180 sec, Pauses
- 4. DCU Search Runs at MediaEval 2012: Search and Hyperlinking Task Segmentation method: Time = 180 sec, Pauses
- 5. DCU Search Runs at MediaEval 2012: Search and Hyperlinking Task Segmentation method: Time = 180 sec, Pauses
- 6. DCU Search Runs at MediaEval 2012: Search and Hyperlinking Task Segmentation method: Time = 180 sec, Overlap = 60 sec, Pauses
- 7. DCU Search Runs at MediaEval 2012: Search and Hyperlinking Task Segmentation method: Time = 180 sec, Overlap = 60 sec, Pauses
- 8. DCU Search Runs at MediaEval 2012: Search and Hyperlinking Task Segmentation method: Time = 180 sec, Overlap = 60 sec, Pauses
- 9. DCU Search Runs at MediaEval 2012: Search and Hyperlinking Task Sub-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. DCU Search Runs at MediaEval 2012: Search and Hyperlinking Task Results
- 11. DCU Search Runs at MediaEval 2012: Search and Hyperlinking Task Thank you for attention! Questions?