20024 search results - page 415 / 4005 » Database Management Systems |
232
click to vote
PODS
2010
ACM
15 years 10 months ago
2010
ACM
Cardinality estimation is the problem of estimating the number of tuples returned by a query; it is a fundamentally important task in data management, used in query optimization, ...
138
Voted
DOLAP
2005
ACM
15 years 6 months ago
2005
ACM
Data warehouses and OLAP systems help to interactively analyze huge volume of data. This data, extracted from transactional databases, frequently contains spatial information whic...
132
click to vote
LREC
2008
15 years 6 months ago
2008
In this paper we address the issue of developing an interoperable infrastructure for language resources and technologies. In our approach, called UFRA, we extend the Federate Data...
170
click to vote
WWW
2003
ACM
16 years 5 months ago
2003
ACM
This paper describes a novel approach for obtaining semantic interoperability among data sources in a bottom-up, semiautomatic manner without relying on pre-existing, global seman...
146
click to vote
SIGMOD
2011
ACM
14 years 7 months ago
2011
ACM
The widespread adoption of the Resource Description Framework (RDF) for the representation of both open web and enterprise data is the driving force behind the increasing research...