4255 search results - page 70 / 851 » Database: Models, Languages, Design |
VLDB
1993
ACM
14 years 1 months ago
1993
ACM
Object-oriented databases are a recent and important development and many studies of them have been performed. These consider aspects such as data modeling, query languages, perfo...
BALT
2006
14 years 20 days ago
2006
In philosophy, the term ontology has been used since the 17th century to refer both to a philosophical discipline (Ontology with a capital "O"), and as a domain-independe...
SAC
2011
ACM
12 years 11 months ago
2011
ACM
Spatial networks like transportation, power, and pipeline networks are a ubiquitous spatial concept in everyday life and play an important role for navigational and routing purpos...
DEXAW
2004
IEEE
14 years 20 days ago
2004
IEEE
Many applications refer to moving objects or phenomena and require spatio-temporal modelling and specific analysis. Unlike conventional data where attributes are simple values (nu...
LPNMR
2009
Springer
14 years 3 months ago
2009
Springer
Abstract. We study the complexity of consistency checking and query answering on incomplete databases for languages ranging from non-recursive Datalog to disjunctive Datalog with n...