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ADBIS
2004
Springer
92views Database» more  ADBIS 2004»
15 years 10 months ago
Optimal Database Locks for Efficient Integrity Checking
Abstract. In concurrent database systems, correctness of update transactions refers to the equivalent effects of the execution schedule and some serial schedule over the same set o...
Davide Martinenghi
FQAS
2004
Springer
122views Database» more  FQAS 2004»
15 years 10 months ago
Simplification of Integrity Constraints with Aggregates and Arithmetic Built-Ins
In the context of relational as well as deductive databases, correct and efficient integrity checking is a crucial issue, as, without any guarantee of data consistency, the answers...
Davide Martinenghi
FORMATS
2006
Springer
15 years 10 months ago
Timed Alternating-Time Temporal Logic
We add freeze quantifiers to the game logic ATL in order to specify real-time objectives for games played on timed structures. We define the semantics of the resulting logic TATL b...
Thomas A. Henzinger, Vinayak S. Prabhu
IFM
2000
Springer
104views Formal Methods» more  IFM 2000»
15 years 10 months ago
Structuring Real-Time Object-Z Specifications
This paper presents a means of structuring specifications in real-time Object-Z: an integration of Object-Z with the timed refinement calculus. Incremental modification of classes ...
Graeme Smith, Ian J. Hayes
VLDB
1991
ACM
220views Database» more  VLDB 1991»
15 years 10 months ago
A Performance Evaluation of Multi-Level Transaction Management
Multi-level transactions are a variant of open nested transactions in which the subtransactions correspond to operations at different levels of a layered system architecture. The ...
Christof Hasse, Gerhard Weikum