Sciweavers

1109 search results - page 60 / 222
» Query Processing, Approximation, and Resource Management in ...
Sort
View
SIGMOD
2008
ACM
169views Database» more  SIGMOD 2008»
14 years 9 months ago
MCDB: a monte carlo approach to managing uncertain data
To deal with data uncertainty, existing probabilistic database systems augment tuples with attribute-level or tuple-level probability values, which are loaded into the database al...
Ravi Jampani, Fei Xu, Mingxi Wu, Luis Leopoldo Per...
SIGMOD
2011
ACM
238views Database» more  SIGMOD 2011»
12 years 11 months ago
Data management over flash memory
Flash SSDs are quickly becoming mainstream and emerge as alternatives to magnetic disks. It is therefore imperative to incorporate them seamlessly into the enterprise. We present ...
Ioannis Koltsidas, Stratis Viglas
VLDB
2006
ACM
190views Database» more  VLDB 2006»
14 years 9 months ago
Online summarization of dynamic time series data
Managing large-scale time series databases has attracted significant attention in the database community recently. Related fundamental problems such as dimensionality reduction, tr...
Ümit Y. Ogras, Hakan Ferhatosmanoglu
CIDR
2011
266views Algorithms» more  CIDR 2011»
13 years 10 days ago
Consistency in a Stream Warehouse
A stream warehouse is a Data Stream Management System (DSMS) that stores a very long history, e.g. years or decades; or equivalently a data warehouse that is continuously loaded. ...
Lukasz Golab, Theodore Johnson
JACM
2012
11 years 11 months ago
Continuous sampling from distributed streams
A fundamental problem in data management is to draw and maintain a sample of a large data set, for approximate query answering, selectivity estimation, and query planning. With la...
Graham Cormode, S. Muthukrishnan, Ke Yi, Qin Zhang