279 search results - page 45 / 56 » Methods for finding frequent items in data streams |
DEXA
2008
Springer
13 years 9 months ago
2008
Springer
The query performance for tracing tags depends upon the distribution of tag trajectories in the data space. We examine a more efficient representation of tag trajectories by means ...
SIGMOD
1997
ACM
13 years 12 months ago
1997
ACM
Most similarity search techniques map the data objects into some high-dimensional feature space. The similarity search then corresponds to a nearest-neighbor search in the feature...
ICS
2001
Tsinghua U.
14 years 3 days ago
2001
Tsinghua U.
We describe the Slice Processor micro-architecture that implements a generalized operation-based prefetching mechanism. Operation-based prefetchers predict the series of operation...
VLDB
2001
ACM
14 years 2 days ago
2001
ACM
A range-sum query is very popular and becomes important in finding trends and in discovering relationships between attributes in diverse database applications. It sums over the se...
TMM
2002
13 years 7 months ago
2002
Most image and video compression algorithms that have been proposed to improve picture quality relative to compression efficiency have either been designed based on objective crite...