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178
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PCM
2001
Springer
15 years 11 months ago
2001
Springer
Developing effective and efficient retrieval techniques for multimedia data is a challenging issue in building a digital library. Unlike most previously proposed retrieval approac...
170
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CLEF
2006
Springer
15 years 10 months ago
2006
Springer
This paper reports the participation of the XLDB Group from the University of Lisbon in the CLEF 2006 ad-hoc monolingual and bilingual subtasks for Portuguese. We present our IR s...
181
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SIGIR
2010
ACM
15 years 7 months ago
2010
ACM
In this paper we study the problem of entity retrieval for news applications and the importance of the news trail history (i.e. past related articles) to determine the relevant en...
163
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IDEAL
2005
Springer
16 years 11 days ago
2005
Springer
Multiresolution histograms have been used for indexing and retrieval of images. Multiresolution histograms used traditionally are 2d-histograms which encode pixel intensities. Earl...
171
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MM
1999
ACM
15 years 11 months ago
1999
ACM
If an image should be retrieved by its subregions from a large image database, an immense number of possible queries will appear. Therefore, the index which encodes the spatial in...