1552 search results - page 146 / 311 » Creating Database Queries by Demonstration |
XSYM
2004
Springer
15 years 3 months ago
2004
Springer
A key step in the optimization of declarative queries over XML data is estimating the selectivity of path expressions, i.e., the number of elements reached by a specific navigatio...
106
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BMCBI
2007
14 years 10 months ago
2007
Background: Neuroscientists often need to access a wide range of data sets distributed over the Internet. These data sets, however, are typically neither integrated nor interopera...
SIGMOD
1993
ACM
15 years 2 months ago
1993
ACM
The traditional focus of relational query optimization schemes has been on the choice of join methods and join orders. Restrictions have typically been handled in query optimizers ...
166
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SIGMOD
2007
ACM
15 years 10 months ago
2007
ACM
We present DaNaLIX, a prototype domain-adaptive natural language interface for querying XML. Our system is an extension of NaLIX, a generic natural language interface for querying...
168
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ICDE
2003
IEEE
15 years 11 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, ...