3368 search results - page 80 / 674 » The Complexity of Query Reliability |
WWW
2010
ACM
14 years 3 months ago
2010
ACM
The Semantic Web community, until now, has used traditional database systems for the storage and querying of RDF data. The SPARQL query language also closely follows SQL syntax. A...
COMCOM
2006
13 years 9 months ago
2006
We consider the problem of reliable data dissemination in the context of wireless sensor networks. For some application scenarios, reliable data dissemination to all nodes is nece...
DLOG
2007
13 years 11 months ago
2007
Abstract. Conjunctive query answering is an important DL reasoning task. Although this task is by now quite well-understood, tight complexity bounds for conjunctive query answering...
ICIP
2003
IEEE
14 years 10 months ago
2003
IEEE
With recent advances in temporal and spatiotemporal databases, user demands are becoming more complex. As a result, simple queries are replaced by complex multitemporal query scen...
SIGMOD
2003
ACM
14 years 9 months ago
2003
ACM
Modern database systems provide not only powerful data models but also complex query languages supporting powerful features such as the ability to create new database objects and ...