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Information access evaluation -- multilinguality, multimodality, and interaction: 5th International Conference of the CLEF Initiative, CLEF 2014, Sheffield, UK, September 15-18, 2014, Proceedings
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Diversity in Photo Retrieval: Overview of the ImageCLEFPhoto Task 2009
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Abstract:
The ImageCLEF Photo Retrieval Task 2009 focused on image retrieval and diversity. A new collection was utilised in this task consisting of approximately half a million images with English annotations. Queries were based on analysing search query logs and two different types were released: one containing information about image clusters; the other without. A total of 19 participants submitted 84 runs. Evaluation, based on Precision at rank 10 and Cluster Recall at rank 10, showed that participants were able to generate runs of high diversity and relevance. Findings show that submissions based on using mixed modalities performed best compared to those using only concept-based or content-based retrieval methods. The selection of query fields was also shown to affect retrieval performance. Submissions not using the cluster information performed worse with respect to diversity than those using this information. This paper summarises the ImageCLEFPhoto task for 2009.
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URL: https://doi.org/10.1007/978-3-642-15751-6_6 http://eprints.whiterose.ac.uk/78459/7/WRRO_78459.pdf http://eprints.whiterose.ac.uk/78459/
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GeoCLEF 2007: the CLEF 2007 cross-language geographic information retrieval track overview
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Overview of the ImageCLEFphoto 2008 photographic retrieval task
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From CLEF to TrebleCLEF: promoting technology transfer for multilingual information retrieval
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Challenges to evaluation of multilingual geographic information retrieval in GeoCLEF
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An analysis of machine translation errors on the effectiveness of an Arabic-English QA system
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User experiments with the Eurovision cross-language image retrieval system
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GeoCLEF: the CLEF 2005 cross-language geographic information retrieval track overview
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Assessing translation quality for cross language image retrieval
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The CLEF cross language image retrieval track (ImageCLEF) 2004
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Sheffield University CLEF 2000 submission - bilingual track: German to English
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