3269 search results - page 215 / 654 » Query Optimization for XML |
140
Voted
IS
2007
15 years 4 months ago
2007
Preference queries are relational algebra or SQL queries that contain occurrences of the winnow operator (find the most preferred tuples in a given relation). Such queries are pa...
111
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ELPUB
2006
ACM
15 years 10 months ago
2006
ACM
This paper concerns the document multi-structuring issue. For various use objectives, many distinct structures may be defined simultaneously for the same original document. For ex...
124
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SSDBM
2009
IEEE
15 years 10 months ago
2009
IEEE
We present a novel sensor network query processing architecture that (a) covers all the query optimization phases that are required to map a declarative query to executable code; ...
235
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SIGMOD
2008
ACM
16 years 4 months ago
2008
ACM
Text documents often embed data that is structured in nature. This structured data is increasingly exposed using information extraction systems, which generate structured relation...
122
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SODA
2010
ACM
16 years 1 months ago
2010
ACM
d Abstract) Hanna Mazzawi Technion - Israel Institute of Technology In this paper, we consider the problem of reconstructing a hidden graph with m edges using additive queries. Gi...