2859 search results - page 304 / 572 » Querying Complex Structured Databases |
197
click to vote
SIGMOD
2004
ACM
16 years 6 months ago
2004
ACM
The prevalent use of XML highlights the need for a generic, flexible access-control mechanism for XML documents that supports efficient and secure query access, without revealing ...
177
click to vote
IPTPS
2005
Springer
16 years 3 days ago
2005
Springer
There is an increasing demand for locality-preserving distribution of complex data structures in peer-to-peer systems. Current systems either do not preserve object locality or su...
285
click to vote
ICDT
2009
ACM
16 years 7 months ago
2009
ACM
Marx and de Rijke have shown that the navigational core of the w3c XML query language XPath is not first-order complete ? that is it cannot express every query definable in firsto...
223
click to vote
VLDB
2001
ACM
15 years 11 months ago
2001
ACM
Most modern DBMS optimizers rely upon a cost model to choose the best query execution plan (QEP) for any given query. Cost estimates are heavily dependent upon the optimizer’s e...
149
click to vote
SIGMOD
2004
ACM
16 years 6 months ago
2004
ACM
We demonstrate an XML full-text search engine that implements the TeXQuery language. TeXQuery is a powerful fulltext search extension to XQuery that provides a rich set of fully c...