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VLDB
2003
ACM
107views Database» more  VLDB 2003»
15 years 12 months ago
A performance study of four index structures for set-valued attributes of low cardinality
The efficient retrieval of data items on set-valued attributes is an important research topic that has attracted little attention so far. We studied and modified four index structu...
Sven Helmer, Guido Moerkotte
EDBT
2006
ACM
135views Database» more  EDBT 2006»
15 years 12 months ago
A New Design for a Native XML Storage and Indexing Manager
This paper describes the design and implementation of an XML storage manager for fast and interactive XPath expressions evaluation. This storage manager has two main parts: the XML...
Jihad Boulos, Shant Karakashian
ICIAP
2007
ACM
15 years 12 months ago
A High Performance Exact Histogram Specification Algorithm
Real-time histogram specification methods aims to find a continuous function that transforms a source image to match a target distribution with the highest possible degree of accu...
Alessandro Bevilacqua, Pietro Azzari
DCC
2007
IEEE
15 years 11 months ago
Bayesian Detection in Bounded Height Tree Networks
We study the detection performance of large scale sensor networks, configured as trees with bounded height, in which information is progressively compressed as it moves towards th...
Wee-Peng Tay, John N. Tsitsiklis, Moe Z. Win
ICPR
2010
IEEE
15 years 6 months ago
Bayesian Inference for Nonnegative Matrix Factor Deconvolution Models
In this paper we develop a probabilistic interpretation and a full Bayesian inference for non-negative matrix deconvolution (NMFD) model. Our ultimate goal is unsupervised extract...
Serap Kirbiz, Ali Taylan Cemgil, Bilge Gunsel