349 search results - page 65 / 70 » Query Rewriting for Semistructured Data |
102
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ADC
2004
Springer
15 years 3 months ago
2004
Springer
In the last few years an interest in native XML databases has surfaced. With other authors we argue that such databases need their own provisions for concurrency control since tra...
183
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VLDB
2007
ACM
15 years 12 months ago
2007
ACM
Incompleteness due to missing attribute values (aka "null values") is very common in autonomous web databases, on which user accesses are usually supported through media...
114
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BMCBI
2008
14 years 11 months ago
2008
imately 20 million abstracts. Browsing such a huge repository to find relevant information as well as providing elearning service requires new generation of interfaces. Methods suc...
108
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PVLDB
2008
14 years 11 months ago
2008
Though inevitable for effective cost-based query rewriting, the derivation of meaningful cardinality estimates has remained a notoriously hard problem in the context of XQuery. By...
111
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ICALP
2000
Springer
15 years 3 months ago
2000
Springer
Abstract. Tree-walking automata (TWAs) recently received new attention in the fields of formal languages and databases. Towards a better understanding of their expressiveness, we c...