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ECIR
2011
Springer
14 years 10 months ago
SkipBlock: Self-indexing for Block-Based Inverted List
In large web search engines the performance of Information Retrieval systems is a key issue. Block-based compression methods are often used to improve the search performance, but c...
Stéphane Campinas, Renaud Delbru, Giovanni ...
CVPR
2006
IEEE
16 years 9 months ago
Statistical Analysis of Local 3D Structure in 2D Images
For the analysis of images, a deeper understanding of their intrinsic structure is required. This has been obtained for 2D images by means of statistical analysis [15, 18]. Here, ...
Florentin Wörgötter, Norbert Krüger...
WEBI
2007
Springer
16 years 1 months ago
Question Answering over Implicitly Structured Web Content
Implicitly structured content on the Web such as HTML tables and lists can be extremely valuable for web search, question answering, and information retrieval, as the implicit str...
Eugene Agichtein, Chris Burges, Eric Brill
DASFAA
2005
IEEE
153views Database» more  DASFAA 2005»
16 years 21 days ago
FASST Mining: Discovering Frequently Changing Semantic Structure from Versions of Unordered XML Documents
Abstract. In this paper, we present a FASST mining approach to extract the frequently changing semantic structures (FASSTs), which are a subset of semantic substructures that chang...
Qiankun Zhao, Sourav S. Bhowmick
167
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ICIP
2004
IEEE
16 years 8 months ago
Automatically learning structural units in educational videos with the hierarchical hidden markov models
In this paper we present a coherent approach using the hierarchical HMM with shared structures to extract the structural units that form the building blocks of an education/traini...
Dinh Q. Phung, Svetha Venkatesh, Hung Hai Bui