8763 search results - page 55 / 1753 » Querying Database Knowledge |
ISSA
2004
15 years 1 months ago
2004
Chor et al [3] show that when accessing a single public database, a user is only guaranteed safety from an administrator inferring the user's real intentions (an inference at...
100
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EDBT
2010
ACM
15 years 6 months ago
2010
ACM
Although keyword query enables inexperienced users to easily search XML database with no specific knowledge of complex structured query languages or XML data schemas, the ambigui...
118
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WWW
2001
ACM
16 years 15 days ago
2001
ACM
The Visual SQL-X system is presented to generate arbitrarily complex XML documents from a graphical query on a relational database. The query describes the structure of the result...
VLDB
2004
ACM
15 years 5 months ago
2004
ACM
This paper presents a novel and complementary technique to optimize an XPath query by minimizing its wildcard steps. Our approach is based on using a general composite axis called...
VLDB
1998
ACM
15 years 4 months ago
1998
ACM
Query optimizers normally compile queries into one optimal plan by assuming complete knowledge of all cost parameters such asselectivity and resourceavailability. The execution of...