150 search results - page 22 / 30 » Query-Aware Sampling for Data Streams |
DMSN
2010
ACM
13 years 6 months ago
2010
ACM
E-science applications use fine grained data provenance to maintain the reproducibility of scientific results, i.e., for each processed data tuple, the source data used to proce...
EDBT
2008
ACM
14 years 7 months ago
2008
ACM
Users often do not require a complete answer to their query but rather only a sample. They expect the sample to be either the largest possible or the most representative (or both)...
APPROX
2011
Springer
12 years 7 months ago
2011
Springer
We consider the problem of identifying periodic trends in data streams. We say a signal a ∈ Rn is p-periodic if ai = ai+p for all i ∈ [n − p]. Recently, Erg¨un et al. [4] pr...
ICDE
2009
IEEE
14 years 9 months ago
2009
IEEE
Temporal data analysis in data warehouses and data streaming systems often uses time decay to reduce the importance of older tuples, without eliminating their influence, on the res...
DCC
2007
IEEE
14 years 1 months ago
2007
IEEE
: The paper proposes a lossy compression mechanism for 3D models (3D meshes) by improving existing compression mechanism such as progressive meshes and single refinement mesh compr...