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» On the performance of one-to-many data transformations
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CSDA
2008
86views more  CSDA 2008»
13 years 7 months ago
Transformations for semi-continuous data
Semi-continuous data arise in many applications where naturally-continuous data become contaminated by the data generating mechanism. The resulting data contain several values tha...
Galit Shmueli, Wolfgang Jank, Valerie Hyde
PVLDB
2010
83views more  PVLDB 2010»
13 years 6 months ago
Updatable and Evolvable Transforms for Virtual Databases
Applications typically have some local understanding of a database schema, a virtual database that may differ significantly from the actual schema of the data where it is stored...
James F. Terwilliger, Lois M. L. Delcambre, David ...
CF
2006
ACM
14 years 1 months ago
Improving the memory behavior of vertical filtering in the discrete wavelet transform
The discrete wavelet transform (DWT) is used in several image and video compression standards, in particular JPEG2000. A 2D DWT consists of horizontal filtering along the rows fo...
Asadollah Shahbahrami, Ben H. H. Juurlink, Stamati...
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DEXA
2011
Springer
234views Database» more  DEXA 2011»
12 years 7 months ago
Learning Top-k Transformation Rules
Record linkage identifies multiple records referring to the same entity even if they are not bit-wise identical. It is thus an essential technology for data integration and data c...
Sunanda Patro, Wei Wang
HICSS
2003
IEEE
124views Biometrics» more  HICSS 2003»
14 years 28 days ago
Identifying Transformer Incipient Events for Maintaining Distribution System Reliability
This paper presents the time domain and timefrequency domain analysis results of incipient events in single-phase distribution transformers. This analysis will aid in the developm...
Karen L. Butler-Purry, Mustafa Bagriyanik