974 search results - page 102 / 195 » Parameterized pattern queries |
224
Voted
VLDB
2007
ACM
16 years 3 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...
185
Voted
STOC
2000
ACM
15 years 8 months ago
2000
ACM
We describe a slightly subexponential time algorithm for learning parity functions in the presence of random classification noise, a problem closely related to several cryptograph...
157
Voted
EDBT
2012
ACM
13 years 6 months ago
2012
ACM
Query optimization in RDF Stores is a challenging problem as SPARQL queries typically contain many more joins than equivalent relational plans, and hence lead to a large join orde...
241
Voted
ICDE
2003
IEEE
16 years 5 months ago
2003
IEEE
Structural join operations are central to evaluating queries against XML data, and are typically responsible for consuming a lion's share of the query processing time. Thus, ...
143
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CIKM
2006
Springer
15 years 7 months ago
2006
Springer
The wide adoption of XML has increased the interest of the database community on tree-structured data management techniques. Querying capabilities are provided through tree-patter...