443 search results - page 59 / 89 » Quasi-inverses of schema mappings |
FQAS
2006
Springer
13 years 11 months ago
2006
Springer
We present a functional model for the analysis of large volumes of detailed transactional data, accumulated over time. In our model, the data schema is an acyclic graph with a sing...
BTW
2009
Springer
14 years 2 months ago
2009
Springer
: Many model management tasks, e.g., schema matching or merging, require the manual handling of metadata. Given the diversity of metadata, its many different representations and mo...
STEP
2005
IEEE
14 years 1 months ago
2005
IEEE
Interoperability in service oriented environments is heavily in uenced by the view that the cooperating services have on their data. e term service for the abstract contract concl...
BIRTHDAY
2009
Springer
14 years 2 months ago
2009
Springer
Data integration has been an important area of research for several years. However, such systems suffer from one of the main drawbacks of database systems: the need to invest signi...
ICDT
2001
ACM
14 years 1 days ago
2001
ACM
XML data is often used (validated, stored, queried, etc) with respect to di erent types. Understanding the relationship between these types can provide important information for ma...