103 search results - page 19 / 21 » Approximate Analysis of Real-Time Database Systems |
PODS
2009
ACM
14 years 8 months ago
2009
ACM
Let be a finite, ordered alphabet, and consider a string x = x1x2 . . . xn n . A secondary index for x answers alphabet range queries of the form: Given a range [al, ar] , retu...
CIVR
2010
Springer
13 years 5 months ago
2010
Springer
In many applications, we find large video collections from different genres where the user is often only interested in one or two specific video genres. So, when users are queryin...
GIS
2007
ACM
14 years 8 months ago
2007
ACM
Many Geographic Information System (GIS) applications must handle large geospatial datasets stored in raster representation. Spatial joins over raster data are important queries i...
WWW
2010
ACM
14 years 2 months ago
2010
ACM
We propose a novel method, based on concepts from expander graphs, to sample communities in networks. We show that our sampling method, unlike previous techniques, produces subgra...
SIGMOD
2006
ACM
14 years 7 months ago
2006
ACM
Modern scientific applications consume massive volumes of data produced by computer simulations. Such applications require new data management capabilities in order to scale to te...