2468 search results - page 247 / 494 » Aggregation operators 2003 |
ICIP
2003
IEEE
14 years 11 months ago
2003
IEEE
Despite their simplicity, scalar threshold operators effectively remove additive white Gaussian noise from wavelet detail coefficients of many practical signals. This paper explor...
ICML
2004
IEEE
14 years 10 months ago
2004
IEEE
Predictive state representations (PSRs) are a recently proposed way of modeling controlled dynamical systems. PSR-based models use predictions of observable outcomes of tests that...
SIGMOD
2003
ACM
14 years 9 months ago
2003
ACM
Spatial database operations are typically performed in two steps. In the filtering step, indexes and the minimum bounding rectangles (MBRs) of the objects are used to quickly dete...
PODS
2003
ACM
14 years 9 months ago
2003
ACM
Full disjunctions are an associative extension of the outerjoin operator to an arbitrary number of relations. Their main advantage is the ability to maximally combine data from di...
SOSP
2003
ACM
14 years 6 months ago
2003
ACM
The LOCKSS project has developed and deployed in a worldwide test a peer-to-peer system for preserving access to journals and other archival information published on the Web. It c...