371 search results - page 15 / 75 » Schema Design for Uncertain Databases |
ICDE
2008
IEEE
14 years 8 months ago
2008
IEEE
A fundamental problem in information integration is that of designing the relationships, called schema mappings, between two schemas. The specification of a semantically correct sc...
VLDB
2005
ACM
14 years 29 days ago
2005
ACM
We demonstrate a prototype that translates schemas from a source metamodel (e.g., OO, relational, XML) to a target metamodel. The prototype is integrated with Microsoft Visual Stu...
EDBT
2009
ACM
13 years 11 months ago
2009
ACM
Schema mappings define relationships between schemas in a declarative way. We demonstrate MVT, a mapping validation tool that allows the designer to ask whether the mapping has ce...
SIGMOD
2011
ACM
12 years 10 months ago
2011
ACM
Ranking queries report the top-K results according to a user-defined scoring function. A widely used scoring function is the weighted summation of multiple scores. Often times, u...
PVLDB
2010
13 years 5 months ago
2010
Database systems often use XML schema to describe the format of valid XML documents. Usually, this format is determined when the system is designed. Sometimes, in an already funct...