298 search results - page 19 / 60 » Query Rewriting in DL-Lite_^(HN)_horn |
ICDE
2010
IEEE
15 years 5 months ago
2010
IEEE
— We present a tool for the static analysis of XPath queries and XML Schemas. The tool introduces techniques used in the field of verification (such as binary decision diagrams...
164
click to vote
ICDE
2003
IEEE
16 years 11 days ago
2003
IEEE
In order to publish a nested XML document from flat relational data, multiple SQL queries are often needed. The efficiency of publishing relies on how fast these queries can be ev...
101
click to vote
KES
2007
Springer
15 years 5 months ago
2007
Springer
Abstract. Access control for semi-structured data is nontrivial, as witnessed by the number of access control approaches in recent literature. Recently a case has been made for exp...
DEXAW
2007
IEEE
15 years 5 months ago
2007
IEEE
The semantic web represents meta-data as a relation of triples using the RDF data model. We have developed a virtual repository system that enables to process queries to RDF views...
57
Voted
BIBE
2007
IEEE
15 years 3 months ago
2007
IEEE
The critical need for better tracing of lineage in scientific databases is well known [6]. It is clear that performance is not an issue for most domain scientists