6103 search results - page 322 / 1221 » Multimedia Retrieval Algorithmics |
134
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LWA
2007
15 years 5 months ago
2007
In this paper we investigate how a small number of high-level concepts derived for video shots, such as Sports, Face, Indoor, etc., can be used effectively for ad hoc search in vi...
103
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SODA
2001
ACM
15 years 5 months ago
2001
ACM
Most information-retrieval systems preprocess the data to produce an auxiliary index structure. Empirically, it has been observed that there is a tradeoff between query response t...
123
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SIGIR
2006
ACM
15 years 10 months ago
2006
ACM
We introduce a novel approach to combining rankings from multiple retrieval systems. We use a logistic regression model or an SVM to learn a ranking from pairwise document prefere...
134
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BTW
2007
Springer
2007
Springer
TopX - Efficient and Versatile Top-k Query Process-ing for Text, Semistructured, and Structured Data
15 years 8 months ago
: This paper presents a comprehensive overview of the TopX search engine, an extensive framework for unified indexing and querying large collections of unstructured, semistructured...
125
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SIGIR
2010
ACM
15 years 4 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...