1327 search results - page 218 / 266 » Drawing database schemas |
SIGMOD
2004
ACM
14 years 10 months ago
2004
ACM
Peer data management systems (PDMS) offer a flexible architecture for decentralized data sharing. In a PDMS, every peer is associated with a schema that represents the peer's...
SIGMOD
2002
ACM
14 years 10 months ago
2002
ACM
Statistics play an important role in influencing the plans produced by a query optimizer. Traditionally, optimizers use statistics built over base tables and assume independence b...
SIGMOD
2001
ACM
14 years 10 months ago
2001
ACM
From the standpoint of satisfying human's informationneeds, the current digital library (DL) systems suffer from the following two shortcomings: (i) inadequate high-level cog...
ICDE
2008
IEEE
14 years 4 months ago
2008
IEEE
— The integration of heterogeneous data sources is one of the main challenges within the area of data engineering. Due to the absence of an independent and universal benchmark fo...
ADC
2008
Springer
14 years 4 months ago
2008
Springer
Several XML query languages have been proposed that use XPath expressions to locate data. But XPath expressions might miss some data because of irregularities in the data and sche...