781 search results - page 1 / 157 » Query Processing in ROSA Data Model |
SBBD
2004
13 years 6 months ago
2004
Learning Content Management Systems (LCMS) store and manage e-learning content and play an important role in the development of Distance Learning technology. ROSA (Repository of O...
PGLDB
2003
13 years 6 months ago
2003
Learning Content Management Systems (LCMS) supports e-learning applications with storage and efficient access for e-learning objects (LO)s. ROSA is a LCMS built as a semantic laye...
ER
2004
Springer
13 years 10 months ago
2004
Springer
A progressive spatial query retrieves spatial data based on previous queries (e.g., to fetch data in a more restricted area with higher resolution). A direct query, on the other si...
SIGMOD
1993
ACM
13 years 8 months ago
1993
ACM
Abstract: We propose a framework for the specification of extensible database systems. A particular goal is to implement a software component for parsing and rule-based optimizatio...
ICDE
2009
IEEE
13 years 2 months ago
2009
IEEE
Data provenance is information that describes how a given data item was produced. The provenance includes source and intermediate data as well as the transformations involved in pr...