503 search results - page 22 / 101 » Applying Multiple Query Optimization in Mobile Databases |
138
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CIKM
2005
Springer
15 years 8 months ago
2005
Springer
Modern query optimizers select an efficient join ordering for a physical execution plan based essentially on the average join selectivity factors among the referenced tables. In ...
128
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VLDB
1995
ACM
15 years 6 months ago
1995
ACM
We address the problem of finding parallel plans for SQL queries using the two-phase approach of join ordering and query rewrite (JOQR) followed by parallelization. We focus on t...
207
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AGTIVE
2007
Springer
15 years 4 months ago
2007
Springer
Abstract. The DRAGOS database eases the development of graphbased applications by providing a uniform graph-oriented data storage facility. In this paper, we extend the existing da...
115
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VLDB
1994
ACM
15 years 6 months ago
1994
ACM
In existing relational database systems, processing of group-by and computation of aggregate functions are always postponed until all joins are performed. In this paper, we presen...
173
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SIGMOD
2012
ACM
13 years 4 months ago
2012
ACM
The popularity of mobile social networking services (mSNSs) is propelling more and more businesses, especially those in retailing and marketing, into mobile and location-based for...