Principles of transaction-oriented database recovery
ACM Computing Surveys (CSUR)
Observations on optimistic concurrency control schemes
Information Systems - Special issue: Databases:8Mtheir creation, management and utilization
Concurrency control and recovery in database systems
Concurrency control and recovery in database systems
Transaction management in an object-oriented database system
SIGMOD '88 Proceedings of the 1988 ACM SIGMOD international conference on Management of data
Using semantic knowledge of transactions to increase concurrency
ACM Transactions on Database Systems (TODS)
Proceedings of the sixteenth international conference on Very large databases
The GemStone object database management system
Communications of the ACM
Introduction to object-oriented databases
Introduction to object-oriented databases
Building an object-oriented database system: the story of 02
Building an object-oriented database system: the story of 02
Using semantic knowledge for transaction processing in a distributed database
ACM Transactions on Database Systems (TODS)
Multilevel atomicity—a new correctness criterion for database concurrency control
ACM Transactions on Database Systems (TODS)
Some Deadlock Properties of Computer Systems
ACM Computing Surveys (CSUR)
The notions of consistency and predicate locks in a database system
Communications of the ACM
Transaction Processing: Concepts and Techniques
Transaction Processing: Concepts and Techniques
Empirical Comparison of Database Concurrency Schemes
VLDB '83 Proceedings of the 9th International Conference on Very Large Data Bases
Notes on Data Base Operating Systems
Operating Systems, An Advanced Course
Abstraction Concepts: The Basis for Data and Knowledge Modeling
Proceedings of the Seventh International Conference on Enity-Relationship Approach: A Bridge to the User
Quantitative evaluation of a transaction facility for knowledge base management system
CIKM '94 Proceedings of the third international conference on Information and knowledge management
Safe locking policies for dynamic databases
PODS '95 Proceedings of the fourteenth ACM SIGACT-SIGMOD-SIGART symposium on Principles of database systems
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Knowledge Base Management Systems (KBMSs) are a growing research area finding applicability in different domains. As a consequence, the demand for ever-larger knowledge bases (KBs) is growing more and more. Inside this context, knowledge sharing turns out to be a crucial point to be supported by KBMSs. In this paper, we propose a way of controlling knowledge sharing. We show how we obtain serializability of transactions providing many different locking granules, which are based on the semantics of the abstraction relationships. The main benefit of our technique is the high degree of potential concurrency, to be obtained through a logical partitioning of the KB graph and the provision of lock types used for each referenced partition. By this way, we capture more of the semantics contained in a KB graph, through an interpretation of its edges grounded in the abstraction relationships, and make feasible a full exploitation of all inherent parallelism in a knowledge representation approach.