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INFORMATICALT
2008
162views more  INFORMATICALT 2008»
15 years 4 months ago
Vague Rough Set Techniques for Uncertainty Processing in Relational Database Model
Abstract. The study of databases began with the design of efficient storage and data sharing techniques for large amount of data. This paper concerns the processing of imprecision ...
Karan Singh, Samajh Singh Thakur, Mangi Lal
ICDE
1995
IEEE
99views Database» more  ICDE 1995»
16 years 5 months ago
Record Subtyping in Flexible Relations by Means of Attribute Dependencies
The model of flexible relations supports heterogeneous sets of tuples in a strongly typed way. The elegance of the standard relational model is preserved by using a single, generi...
Christian Kalus, Peter Dadam
HICSS
2008
IEEE
187views Biometrics» more  HICSS 2008»
15 years 10 months ago
Relational Risk Mitigation: The Relationship Approach to Mitigating Risks in Business Process Outsourcing
Managing risks in outsourcing has been widely researched but is still not fully understood by either academics or practitioners. Recent research on IS outsourcing relationships ha...
Kim Wüllenweber, Stefanie Jahner, Helmut Krcm...
WAIM
2010
Springer
15 years 2 months ago
Efficient Continuous Top-k Keyword Search in Relational Databases
Keyword search in relational databases has been widely studied in recent years. Most of the previous studies focus on how to answer an instant keyword query. In this paper, we focu...
Yanwei Xu, Yoshiharu Ishikawa, Jihong Guan
113
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KR
1998
Springer
15 years 8 months ago
Comparing Consequence Relations
The technical problem addressed in this paper is, given two rule systems for consequence relations X and Y, how to construct Y-approximations of a given X-relation. While an upper...
Peter A. Flach