545 search results - page 94 / 109 » Simultaneous approximation by greedy algorithms |
ICDM
2007
IEEE
14 years 2 months ago
2007
IEEE
Data mining algorithms use various Trie and bitmap-based representations to optimize the support (i.e., frequency) counting performance. In this paper, we compare the memory requi...
INFOCOM
2007
IEEE
14 years 2 months ago
2007
IEEE
Abstract— High-speed wireless communication technology (e.g. WiMAX) makes it feasible and cost-effective to build wireless back-hauls for Internet access. Compared to wired count...
CDC
2009
IEEE
14 years 1 months ago
2009
IEEE
— We consider the problem of determining the existence of known constant signals over a set of sites, given noisy measurements obtained by a team of active sensors that can switc...
APGV
2007
ACM
14 years 14 days ago
2007
ACM
We present a novel perceptual method to reduce the visual redundancy of unstructured lumigraphs, an image based representation designed for interactive rendering. We combine featu...
CDC
2009
IEEE
13 years 9 months ago
2009
IEEE
We consider the problem of selecting a subset of p out of n sensors for the purpose of event detection, in a wireless sensor network (WSN). Occurrence or not of the event of intere...