771 search results - page 19 / 155 » Access Methods and Query Processing Techniques |
SBBD
2004
14 years 6 days 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...
ICDE
2009
IEEE
13 years 8 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...
ICDE
2005
IEEE
15 years 6 days ago
2005
IEEE
Sensor networks and other distributed information systems (such as the Web) must frequently access data that has a high per-attribute acquisition cost, in terms of energy, latency...
SSD
1999
Springer
14 years 3 months ago
1999
Springer
We provide an evaluation of query execution plans (QEP) in the case of queries with one or two spatial joins. The QEPs assume R -tree indexed relations and use a common set of spat...
WWW
2005
ACM
14 years 11 months ago
2005
ACM
This paper addresses the problem of fast retrieval of data from XML documents by providing a labeling schema that can easily handle simple as well as complex XPATH queries and als...