274 search results - page 53 / 55 » Computational complexity of queries based on itemsets |
SIGMOD
2010
ACM
15 years 3 months ago
2010
ACM
We consider the problem of computing all-pair correlations in a warehouse containing a large number (e.g., tens of thousands) of time-series (or, signals). The problem arises in a...
SIGMOD
2010
ACM
15 years 3 months ago
2010
ACM
Fast query processing of complex objects, e.g. spatial or uncertain objects, depends on efficient spatial pruning of the objects’ approximations, which are typically minimum bou...
91
Voted
WS
2010
ACM
14 years 8 months ago
2010
ACM
One of the most important decisions researchers face when analyzing software systems is the choice of a proper data analysis/exchange format. In this paper, we present EvoOnt, a s...
106
Voted
PODS
2008
ACM
15 years 10 months ago
2008
ACM
Processing large data streams is now a major topic in data management. The data involved can be truly massive, and the required analyses complex. In a stream of sequential events ...
117
Voted
SIGMOD
2005
ACM
15 years 3 months ago
2005
ACM
In this paper, we propose new graph-based data structure and indexing to organize and retrieve video data. Several researches have shown that a graph can be a better candidate for...