699 search results - page 5 / 140 » Strong types for relational databases |
PODS
1999
ACM
13 years 10 months ago
1999
ACM
We give a polymorphic account of the relational algebra. We introduce a formalism of \type formulas" speci cally tuned for relational algebra expressions, and present an algo...
PPDP
2004
Springer
13 years 11 months ago
2004
Springer
We investigate some fundamental properties of the reduction relation in the untyped term calculus derived from Curien and Herbelin’s λµµ. The original λµµ has a system of ...
VLDB
2005
ACM
13 years 11 months ago
2005
ACM
With the increasing occurrence of temporal and spatial data in present-day database applications, the interval data type is adopted by more and more database systems. For an effic...
ICDE
2008
IEEE
14 years 4 hour ago
2008
IEEE
— We propose a new approach to the problem of schema matching in relational databases that merges the hybrid and composite approach of combining multiple individual matching tech...
CIKM
2005
Springer
13 years 11 months ago
2005
Springer
Record deduplication is the task of merging database records that refer to the same underlying entity. In relational databases, accurate deduplication for records of one type is o...