6905 search results - page 1223 / 1381 » Querying Multidimensional Databases |
PODS
2006
ACM
14 years 10 months ago
2006
ACM
Skew is prevalent in data streams, and should be taken into account by algorithms that analyze the data. The problem of finding "biased quantiles"-- that is, approximate...
PODS
2006
ACM
14 years 10 months ago
2006
ACM
The most acute information management challenges today stem from organizations relying on a large number of diverse, interrelated data sources, but having no means of managing the...
EDBT
2004
ACM
14 years 10 months ago
2004
ACM
In this paper we present HOPI, a new connection index for XML documents based on the concept of the 2?hop cover of a directed graph introduced by Cohen et al. In contrast to most o...
ICDE
2010
IEEE
14 years 9 months ago
2010
IEEE
An ever-increasing amount of data and semantic knowledge in the domain of life sciences is bringing about new data management challenges. In this paper we focus on adding the seman...
ICDE
2010
IEEE
14 years 9 months ago
2010
IEEE
Abstract-- Failures of any type are common in current datacenters. As data scales up, its availability becomes more complex, while different availability levels per application or ...