49 search results - page 7 / 10 » Some Properties of Query Languages for Bags |
ICDT
2010
ACM
14 years 3 months ago
2010
ACM
Sources of data uncertainty and imprecision are numerous. A way to handle this uncertainty is to associate probabilistic annotations to data. Many such probabilistic database mode...
DEBU
2007
13 years 5 months ago
2007
Textual fields are commonly used in databases and applications to capture details that are difficult to formalize—comments, notes, and product descriptions. With the rise of t...
JACM
2000
13 years 5 months ago
2000
We rework parts of the classical relational theory when the underlying domain is a structure with some interpreted operations that can be used in queries. We identify parts of the...
POST
2012
12 years 1 months ago
2012
Provenance is an increasing concern due to the revolution in sharing and processing scientific data on the Web and in other computer systems. It is proposed that many computer sys...
BTW
2007
Springer
13 years 12 months ago
2007
Springer
: For the integration of data that resides in autonomous data sources Software AG uses ontologies. Data source ontologies describe the data sources themselves. Business ontologies ...