8 search results - page 2 / 2 » Surviving the Heterogeneity Jungle with Composite Mapping Op... |
PODS
2010
ACM
13 years 10 months ago
2010
ACM
In the last few years, a lot of attention has been paid to the specification and subsequent manipulation of schema mappings, a problem which is of fundamental importance in metad...
ICDE
2006
IEEE
14 years 6 months ago
2006
IEEE
Until recently, most data integration techniques involved central components, e.g., global schemas, to enable transparent access to heterogeneous databases. Today, however, with t...
EFDBS
2003
13 years 6 months ago
2003
A definition of types in an information system is given from ld abstractions through data constructs, schema and definitions to physical data values. Category theory suggests tha...