68 search results - page 11 / 14 » Optimizing Performance-Polymorphic Declarative Database Quer... |
IPSN
2009
Springer
14 years 2 months ago
2009
Springer
As the diversity of sensornet use cases increases, the combinations of environments and applications that will coexist will make custom engineering increasingly impractical. We in...
VLDB
2005
ACM
14 years 7 months ago
2005
ACM
Abstract Declarative queries are proving to be an attractive paradigm for interacting with networks of wireless sensors. The metaphor that "the sensornet is a database" i...
DBPL
2007
Springer
14 years 1 months ago
2007
Springer
The widespread adoption of XML has led to programming languages that support XML as a first class construct. In this paper, we present a method for analyzing and optimizing impera...
XSYM
2004
Springer
14 years 29 days ago
2004
Springer
A key step in the optimization of declarative queries over XML data is estimating the selectivity of path expressions, i.e., the number of elements reached by a specific navigatio...
VLDB
1990
ACM
13 years 11 months ago
1990
ACM
Even though the large body of knowledge of relational query optimization techniques can be utilized as a starting point for object-oriented query optimization the full exploitatio...