13 search results - page 2 / 3 » The power-method: a comprehensive estimation technique for m... |
ICDE
2011
IEEE
12 years 8 months ago
2011
IEEE
— In this paper, we study the problem of efficiently computing multiple aggregation queries over a data stream. In order to share computation, prior proposals have suggested ins...
VLDB
2001
ACM
13 years 9 months ago
2001
ACM
Most modern DBMS optimizers rely upon a cost model to choose the best query execution plan (QEP) for any given query. Cost estimates are heavily dependent upon the optimizer’s e...
VLDB
2002
ACM
14 years 5 months ago
2002
ACM
Abstract This paper describes the overall design and architecture of the Timber XML database system currently being implemented at the University of Michigan. The system is based u...
TKDE
2010
13 years 3 months ago
2010
—With the rapid development of various optical, infrared, and radar sensors and GPS techniques, there are a huge amount of multidimensional uncertain data collected and accumulat...
ICDE
2006
IEEE
14 years 6 months ago
2006
IEEE
In this paper, we investigate a new approach to process queries in data stream applications. We show that reference locality characteristics of data streams could be exploited in ...