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WOLLIC
2010
Springer
15 years 11 months ago
On the Role of the Complementation Rule for Data Dependencies over Incomplete Relations
Recently, an axiomatization for functional dependencies (FDs) and multivalued dependencies (MVDs) has been established where arbitrary attributes can be specified as NOT NULL. Tha...
Flavio Ferrarotti, Sven Hartmann, Sebastian Link
GISCIENCE
2008
Springer
130views GIS» more  GISCIENCE 2008»
15 years 7 months ago
Road Networks and Their Incomplete Representation by Network Data Models
Road networks, roads, and junctions are examples of natural language terms whose semantics can be described by affordances of their physical referents. In order to define affordanc...
Simon Scheider, Werner Kuhn
ICDT
2012
ACM
251views Database» more  ICDT 2012»
13 years 9 months ago
Computing universal models under guarded TGDs
A universal model of a database D and a set Σ of integrity constraints is a database that extends D, satisfies Σ, and is most general in the sense that it contains sound and co...
André Hernich
SIGUCCS
2005
ACM
16 years 4 days ago
A case study: implementing novell identity management at Drew University
Starting in 2003, Drew University began a process to replace its manual account management procedures with an automated provisioning system based upon Novell technologies. Over th...
E. Axel Larsson
PROMISE
2010
15 years 1 months ago
Prediction of defect distribution based on project characteristics for proactive project management
As software has been pervasive and various software projects have been executed since the 1970s, software project management has played a significant role in software industry. Th...
Youngki Hong, Wondae Kim, Jeongsoo Joo