1018 search results - page 79 / 204 » On the minimization of XPath queries |
201
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SIGMOD
2007
ACM
16 years 1 months ago
2007
ACM
Complex queries often contain common or similar subexpressions, either within a single query or among multiple queries submitted as a batch. If so, query execution time can be imp...
227
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ICDE
2003
IEEE
16 years 2 months ago
2003
IEEE
XKeyword provides efficient keyword proximity queries on large XML graph databases. A query is simply a list of keywords and does not require any schema or query language knowledg...
ICFCA
2007
Springer
15 years 7 months ago
2007
Springer
We model a Digital Library as a formal context in which objects are documents and attributes are terms describing documents contents. A formal concept is very close to the notion o...
109
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WISE
2002
Springer
15 years 6 months ago
2002
Springer
Applying meta search systems is a suitable method to support the user if there are many different retrieval services available in the Web. Due to information splitting strategies ...
135
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ICDE
2011
IEEE
14 years 5 months ago
2011
IEEE
—Complex SQL queries are widely used today, but it is rather difficult to check if a complex query has been written correctly. Formal verification based on comparing a specifi...