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CIKM
2011
Springer
12 years 8 months ago
Factorization-based lossless compression of inverted indices
Many large-scale Web applications that require ranked top-k retrieval are implemented using inverted indices. An inverted index represents a sparse term-document matrix, where non...
George Beskales, Marcus Fontoura, Maxim Gurevich, ...
KDD
2010
ACM
244views Data Mining» more  KDD 2010»
13 years 6 months ago
Finding effectors in social networks
Assume a network (V, E) where a subset of the nodes in V are active. We consider the problem of selecting a set of k active nodes that best explain the observed activation state, ...
Theodoros Lappas, Evimaria Terzi, Dimitrios Gunopu...
HT
2007
ACM
14 years 2 days ago
Adaptive incremental browsing of ontology structure
We present a method for effective navigation in structure of large information spaces. The method employs incremental browsing of the information space structure and visualizes in...
Mária Bieliková, Michal Jemala
ICCV
2007
IEEE
14 years 10 months ago
Real-Time Visibility-Based Fusion of Depth Maps
We present a viewpoint-based approach for the quick fusion of multiple stereo depth maps. Our method selects depth estimates for each pixel that minimize violations of visibility ...
Paul Merrell, Amir Akbarzadeh, Liang Wang, Philipp...
SIGIR
2003
ACM
14 years 1 months ago
Fractal summarization: summarization based on fractal theory
In this paper, we introduce the fractal summarization model based on the fractal theory. In fractal summarization, the important information is captured from the source text by ex...
Christopher C. Yang, Fu Lee Wang