710 search results - page 106 / 142 » Efficiency of Nested Relational Document Database Systems |
CIKM
2009
Springer
15 years 3 months ago
2009
Springer
The nDCG measure has proven to be a popular measure of retrieval effectiveness utilizing graded relevance judgments. However, a number of different instantiations of nDCG exist, d...
175
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ICDE
1997
IEEE
16 years 1 months ago
1997
IEEE
Query optimization is an integral part of relational database management systems. One important task in query optimization is selectivity estimation, that is, given a query P, we ...
103
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IPPS
2003
IEEE
15 years 5 months ago
2003
IEEE
In this paper, SIMD and MIMD solutions for the realtime database management problem of air traffic control are compared. A real-time database system is highly constrained in a mul...
139
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EDBT
1992
ACM
15 years 3 months ago
1992
ACM
The DBGraph storage model, designed for main memory DBMS, ensures both data storage compactness and efficient processing for all database operations. By representing the entire da...
111
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SSD
1999
Springer
15 years 4 months ago
1999
Springer
There is an increasing need to integrate spatial index structures into commercial database management systems. In geographic information systems (GIS), huge amounts of information ...