58 search results - page 7 / 12 » A Temporal Approach to Managing Schema Evolution in Object D... |
DASFAA
2010
IEEE
14 years 27 days ago
2010
IEEE
Efficient management of RDF data is an important factor in realizing the Semantic Web vision. The existing approaches store RDF data based on triples instead of a relation model. I...
SIGMOD
2007
ACM
14 years 8 months ago
2007
ACM
A "sparse" data set typically has hundreds or even thousands of attributes, but most objects have non-null values for only a small number of these attributes. A popular ...
DBPL
2001
Springer
14 years 1 months ago
2001
Springer
Commercial OLAP systems usually treat OLAP dimensions as static entities. In practice, dimension updates are often necessary in order to adapt the multidimensional database to chan...
CIKM
1994
Springer
14 years 20 days ago
1994
Springer
Human Genome Project databases present a confluence of interesting database challenges: rapid schema and data evolution, complex data entry and constraint management, and the need...
DAWAK
2006
Springer
14 years 7 days ago
2006
Springer
More and more integration systems use ontologies to solve the problem of semantic heterogeneities between autonomous databases. To automate the integration process, a number of the...