2217 search results - page 241 / 444 » Rank-aware Query Optimization |
190
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DEBU
2008
15 years 6 months ago
2008
In this paper, we describe the TIMBER XML database system implemented at University of Michigan. TIMBER was one of the first native XML database systems, designed from the ground ...
147
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DATE
2004
IEEE
15 years 10 months ago
2004
IEEE
Structured embedded databases are currently becoming an integrated part of embedded systems, thus, enabling higher standards in system automation. These embedded databases are typ...
151
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VLDB
1991
ACM
15 years 10 months ago
1991
ACM
We explore the implications of supporting bags (i.e. multisets) in a data model and associated query language, and present some formal results concerned with the algebraic propert...
141
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AIPS
1998
15 years 7 months ago
1998
We present the application of the Planning by Rewriting PbR framework to query planning in distributed and heterogeneous environments. PbR is a new paradigm for e cient high-quali...
176
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PEPM
2009
ACM
16 years 3 months ago
2009
ACM
Abstract. This paper presents techniques and tools to transform spreadsheets into relational databases and back. A set of data refinement rules is introduced to map a tabular data...