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UML
2001
Springer
14 years 4 days ago
On Querying UML Data Models with OCL
UML is the de-facto standard language for Object-Oriented analysis and design of information systems. Persistent storage and extraction of data in such systems is supported by dat...
David H. Akehurst, Behzad Bordbar
PPSWR
2004
Springer
14 years 1 months ago
Calendrical Calculations with Time Partitionings and Fuzzy Time Intervals
This paper presents a piece in a big mosaic which consists of formalisms and software packages for representing and reasoning with everyday temporal notions. The kernel of the mosa...
Hans Jürgen Ohlbach
PVLDB
2008
167views more  PVLDB 2008»
13 years 7 months ago
Managing and querying transaction-time databases under schema evolution
The old problem of managing the history of database information is now made more urgent and complex by fast spreading web information systems, such as Wikipedia. Our PRIMA system ...
Hyun Jin Moon, Carlo Curino, Alin Deutsch, Chien-Y...
ICDT
1995
ACM
101views Database» more  ICDT 1995»
13 years 11 months ago
Approximation in Databases
Partial information in databases can arise when information from several databases is combined. Even if each database is complete for some \world", the combined databases wil...
Leonid Libkin
ICDE
2007
IEEE
138views Database» more  ICDE 2007»
14 years 9 months ago
Representing and Querying Correlated Tuples in Probabilistic Databases
Probabilistic databases have received considerable attention recently due to the need for storing uncertain data produced by many real world applications. The widespread use of pr...
Prithviraj Sen, Amol Deshpande