162 search results - page 4 / 33 » er 2007 |
ER
2007
Springer
13 years 12 months ago
2007
Springer
Abstract. We investigate the computational complexity of reasoning over various fragments of the Extended Entity-Relationship (EER) language, which includes a number of constructs:...
ISCI
2007
13 years 5 months ago
2007
The entity–relationship (ER) model, a powerful means for business and data modeling, needs to be enriched with new semantics as the real world changes and its understanding impr...
ICDIM
2007
IEEE
13 years 7 months ago
2007
IEEE
With the growing popularity of XML there is a need not only to describe the structure of XML data but also its semantics. For the conceptual modelling of XML we can use existing c...
CONEXT
2007
ACM
13 years 9 months ago
2007
ACM
Wireless LANs (WLANs) have been deployed at a remarkable rate at university campuses, office buildings, airports, hotels, and malls. Providing efficient and reliable wireless comm...
DGO
2008
13 years 6 months ago
2008
Many scholars believe that electronic rulemaking has great but largely untapped potential to expand the public's democratic input and improve federal agency regulatory rules....