481 search results - page 5 / 97 » Approximate XML Query Answers |
PODS
2010
ACM
14 years 1 months ago
2010
ACM
The notion of certain answers arises when one queries incompletely specified databases, e.g., in data integration and exchange scenarios, or databases with missing information. W...
ICDE
2008
IEEE
14 years 9 months ago
2008
IEEE
Answering queries using materialized views has been well studied in the context of structured queries and has shown significant performance benefits. Despite the popularity of keyw...
SIGMOD
2003
ACM
14 years 8 months ago
2003
ACM
In decision support applications, the ability to provide fast approximate answers to aggregation queries is desirable. One commonly-used technique for approximate query answering ...
DEXAW
2007
IEEE
13 years 12 months ago
2007
IEEE
The problem of efficiently evaluating XPath and XQuery queries has become increasingly significant since more and more XML data is stored in its native form. We propose a novel op...
TKDE
2012
11 years 10 months ago
2012
—In a traditional keyword-search system over XML data, a user composes a keyword query, submits it to the system, and retrieves relevant answers. In the case where the user has l...