2217 search results - page 189 / 444 » Rank-aware Query Optimization |
217
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BTW
1993
Springer
15 years 10 months ago
1993
Springer
It is clearly crucial for the success of object-oriented databases to find effiĆ cient implementations that improve on the performance of relational sysĆ tems, rather than being...
187
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SIGMOD
1996
ACM
15 years 10 months ago
1996
ACM
While much recent research has focussed on extending databases beyond the traditional relational model, relatively little has been done to develop database tools for querying data...
154
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VLDB
1994
ACM
15 years 10 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...
178
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VLDB
1987
ACM
15 years 10 months ago
1987
ACM
is at least ae powerful as SQL. Two well known relational query languages that have a sound theoretical foundation are relational algebra and relational calculus. As SQL is more cl...
182
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CORR
2010
Springer
15 years 6 months ago
2010
Springer
Previous work reports about SXSI, a fast XPath engine which executes tree automata over compressed XML indexes. Here, reasons are investigated why SXSI is so fast. It is shown tha...