640 search results - page 20 / 128 » Query Optimization Using Multiple SIP Strategies |
WIOPT
2006
IEEE
14 years 3 months ago
2006
IEEE
We consider the problem of optimizing the number of replicas for event information in wireless sensor networks, when queries are disseminated using expanding rings. We obtain clos...
EDBT
2008
ACM
14 years 10 months ago
2008
ACM
Scientific data are available through an increasing number of heterogeneous, independently evolving, sources. Although the sources themselves are independently evolving, the data ...
CIKM
2001
Springer
14 years 2 months ago
2001
Springer
Existing approaches for optimizing queries in data integration use decoupled strategies–attempting to optimize coverage and cost in two separate phases. Since sources tend to ha...
CORR
2008
Springer
13 years 10 months ago
2008
Springer
XML data warehouses form an interesting basis for decision-support applications that exploit complex data. However, native XML database management systems currently bear limited p...
EDBT
2002
ACM
14 years 10 months ago
2002
ACM
Applying meta search systems is a suitable method to support the user if there are many different services. Due to information splitting strategies of literature services existing ...