2987 search results - page 331 / 598 » Multiobjective Query Optimization |
115
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PVLDB
2008
15 years 1 months ago
2008
We study the problem of extracting flattened tuple data from streaming, hierarchical XML data. Tuple-extraction queries are essentially XML pattern queries with multiple extractio...
239
Voted
ICDE
2007
IEEE
16 years 3 months ago
2007
IEEE
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...
188
Voted
SIGMOD
2007
ACM
16 years 2 months ago
2007
ACM
Suppose a long-running analytical query is executing on a database server and has been allocated a large amount of physical memory. A high-priority task comes in and we need to ru...
127
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CIKM
2008
Springer
15 years 4 months ago
2008
Springer
Query processing techniques for XML data have focused mainly on tree-pattern queries (TPQs). However, the need for querying XML data sources whose structure is very complex or not...
136
Voted
WWW
2006
ACM
16 years 3 months ago
2006
ACM
Applications and services that access Web data are becoming increasingly more useful and wide-spread. Current main-stream Web query languages such as XQuery, XSLT, or SPARQL, howe...