111 search results - page 2 / 23 » Incomplete Information in Relational Temporal Databases |
SIGMOD
2007
ACM
14 years 5 months ago
2007
ACM
Incomplete information arises naturally in numerous data management applications. Recently, several researchers have studied query processing in the context of incomplete informat...
EDBTW
2006
Springer
13 years 9 months ago
2006
Springer
Abstract. We discuss, compare and relate some old and some new models for incomplete and probabilistic databases. We characterize the expressive power of c-tables over infinite dom...
JUCS
2008
13 years 5 months ago
2008
: Reasoning about incomplete qualitative temporal information is an essential topic in many artificial intelligence and natural language processing applications. In the domain of n...
WOLLIC
2010
Springer
13 years 10 months ago
2010
Springer
Recently, an axiomatization for functional dependencies (FDs) and multivalued dependencies (MVDs) has been established where arbitrary attributes can be specified as NOT NULL. Tha...
WIDM
2006
ACM
13 years 11 months ago
2006
ACM
The preservation of digital artifacts represents an unanswered challenge for the modern information society: XML and its query languages provide an effective environment to addre...