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» A generative theory of relevance
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ECIR
2011
Springer
14 years 10 months ago
Learning Models for Ranking Aggregates
Aggregate ranking tasks are those where documents are not the final ranking outcome, but instead an intermediary component. For instance, in expert search, a ranking of candidate ...
Craig Macdonald, Iadh Ounis
ICIP
2009
IEEE
16 years 7 months ago
Motion-focusing Key Frame Extraction And Video Summarization For Lane Surveillance System
This paper proposes a motion-focusing method to extract key frames and generate summarization synchronously for surveillance videos. Within each pre-segmented video shot, the prop...
DCC
2006
IEEE
16 years 6 months ago
Evaluation codes and plane valuations
Abstract. We apply tools coming from singularity theory, as Hamburger-Noether expansions, and from valuation theory, as generating sequences, to explicitly describe order functions...
C. Galindo, M. Sanchis
APPROX
2009
Springer
156views Algorithms» more  APPROX 2009»
16 years 1 months ago
Small-Bias Spaces for Group Products
Small-bias, or -biased, spaces have found many applications in complexity theory, coding theory, and derandomization. We generalize the notion of small-bias spaces to the setting ...
Raghu Meka, David Zuckerman
AI
2007
Springer
16 years 22 days ago
Fuzzy Clustering for Topic Analysis and Summarization of Document Collections
Abstract. Large document collections, such as those delivered by Internet search engines, are difficult and time-consuming for users to read and analyse. The detection of common an...
René Witte, Sabine Bergler