159 search results - page 27 / 32 » A sufficient condition for pooling data |
PODS
2007
ACM
14 years 7 months ago
2007
ACM
Schema mappings are high-level specifications that describe the relationship between two database schemas. Two operators on schema mappings, namely the composition operator and th...
CIKM
2008
Springer
13 years 9 months ago
2008
Springer
Query processing techniques for XML data have focused mainly on tree-pattern queries (TPQs). However, the need for querying XML data sources whose structure is very complex or not...
FSKD
2011
Springer
12 years 7 months ago
2011
Springer
— The paper presents some interim results from an ongoing research on the application of data/text mining methodologies being investigated to modelling the seasonal climate varia...
PODS
2005
ACM
14 years 7 months ago
2005
ACM
Composition of mappings between schemas is essential to support schema evolution, data exchange, data integration, and other data management tasks. In many applications, mappings ...
CIKM
2006
Springer
13 years 11 months ago
2006
Springer
The wide adoption of XML has increased the interest of the database community on tree-structured data management techniques. Querying capabilities are provided through tree-patter...