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» Source Integration in Data Warehousing
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GIS
2010
ACM
15 years 6 months ago
Automatic construction and multi-level visualization of semantic trajectories
With the prevalence of GPS-embedded mobile devices, enormous amounts of mobility data are being collected in the form of trajectory - a stream of (x,y,t) points. Such trajectories...
Zhixian Yan, Lazar Spremic, Dipanjan Chakraborty, ...
RECOMB
2010
Springer
15 years 5 months ago
Predicting Nucleosome Positioning Using Multiple Evidence Tracks
Abstract. We describe a probabilistic model, implemented as a dynamic Bayesian network, that can be used to predict nucleosome positioning along a chromosome based on one or more g...
Sheila M. Reynolds, Zhiping Weng, Jeff A. Bilmes, ...
SIGMOD
2012
ACM
234views Database» more  SIGMOD 2012»
13 years 10 months ago
Oracle in-database hadoop: when mapreduce meets RDBMS
Big data is the tar sands of the data world: vast reserves of raw gritty data whose valuable information content can only be extracted at great cost. MapReduce is a popular parall...
Xueyuan Su, Garret Swart
PODS
2004
ACM
158views Database» more  PODS 2004»
16 years 7 months ago
Composing Schema Mappings: Second-Order Dependencies to the Rescue
A schema mapping is a specification that describes how data structured under one schema (the source schema) is to be transformed into data structured under a different schema (the...
Ronald Fagin, Phokion G. Kolaitis, Lucian Popa, Wa...
CASES
2007
ACM
15 years 11 months ago
SCCP/x: a compilation profile to support testing and verification of optimized code
Embedded systems are often used in safety-critical environments. Thus, thorough testing of them is mandatory. A quite active research area is the automatic test-case generation fo...
Raimund Kirner