950 search results - page 11 / 190 » Evaluation over thousands of queries |
SDMW
2007
Springer
14 years 1 months ago
2007
Springer
Abstract. We investigate the experimental effectiveness of query rewriting over XML security views. Our model consists of access control policies specified over DTDs with XPath e...
IDEAS
2007
IEEE
14 years 2 months ago
2007
IEEE
There is an increasing need for an XML query engine that not only searches for exact matches to a query but also returns “query-like” structures. We have designed and develope...
SIGMOD
2001
ACM
14 years 7 months ago
2001
ACM
We address the problem of efficiently constructing materialized XML views of relational databases. In our setting, the XML view is specified by a query in the declarative query la...
ICDM
2006
IEEE
14 years 1 months ago
2006
IEEE
Many previous works of data mining user queries in Peer-to-Peer systems focused their attention on the distribution of query contents. However, few has been done towards a better ...
VLDB
1998
ACM
13 years 12 months ago
1998
ACM
Semistructured data is not strictly typed like relational or object-oriented data and may be irregular or incomplete. It often arises in practice, e.g., when heterogeneous data so...