14 search results - page 3 / 3 » Hierarchical synopses with optimal error guarantees |
EDBT
2004
ACM
14 years 5 months ago
2004
ACM
Abstract. Recent years have witnessed an increasing interest in designing algorithms for querying and analyzing streaming data (i.e., data that is seen only once in a fixed order) ...
ICDE
2005
IEEE
14 years 6 months ago
2005
IEEE
We consider the problem of maintaining frequency counts for items occurring frequently in the union of multiple distributed data streams. Na?ive methods of combining approximate f...
DATE
2008
IEEE
13 years 12 months ago
2008
IEEE
This paper is concerned with solar driven sensors deployed in an outdoor environment. We present feedback controllers which adapt parameters of the application such that a maximal...
ICIP
2005
IEEE
14 years 7 months ago
2005
IEEE
We present a new reliable hybrid recursive method for optical flow estimation. The method efficiently combines the advantage of discrete motion estimation and optical flow estimati...