S. Gatziu and K. R. Dittrich. Events in an Active Object-Oriented Database System. In Proc. of RIDS'93, 1993. Home/Search Document Details and Download
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ACOOD Essentials - Engström, Berndtsson, Lings (1997) (Correct)
....it was not until the early 90s that extensive research on active databases was carried out. Active database research field has developed into a relatively mature area. An indication of the degree of maturity is the significant number of working research prototypes, e.g. Sentinel [AMC93] Samos [GD93], Ode [GJS92] Reach [BZ 95] ACOOD [BL92] and the publication of The Active Database Management System Manifesto [ACT96] Furthermore, the ECA rule formalism is now being adopted in a number of other research areas such as real time systems [BH95] cooperative problem solving [BCL96] CK 93] ....
....database should be comparable to a passive counterpart. It should be possible to tune the rulebase without affecting the semantics. The performance and design of ACOOD has not been compared with any passive system (e.g. Ontos) It has, however, been benchmarked using the BEAST benchmark tests [GD93]. The main objective with the test is to identify bottlenecks in the system and to examine if it scales well with the size of the rulebase. The result for ACOOD shows that the time to handle events and rules is 10 almost independent of the size of the rulebase. The benchmarking also shows that ....
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S. Gatziu and K. Dittrich. Events in an Active Object-Oriented Database System. In Proceedings of the 1st Workshop on Rules in Database Systems, pages 23-39, Edinburgh, August 1993.
Cooperative Problem Solving: A New Direction for Active .. - Berndtsson.. (1996) (Correct)
....order to determine whether specialized versions of the raised event have occurred. However, it is recognised that this causes a problem with respect to event consumption by composite events: condition evaluation is too late; consumption will already have taken place irrespective of the value of x [GD93]. Given the above we are currently working on: ECA rules: constrained subscription to reflect the semantics of result sharing. composite events: selective response to multiple result notifications. logical events: support for context based subscriptions. We limit our current work to ....
S. Gatziu and K. Dittrich. Events in an active object oriented database system. In Proceedings of the 1st Workshop of Rules in Database Systems, pages 23-- 29, 1993.
Result Sharing Among Agents Using Reactive Rules - Berndtsson, Chakravarthy, Lings (1997) (2 citations) (Correct)
....are currently provided by most commercial relational database systems. This is in contrast to commercially available object oriented database systems which do not yet support active rules. However, extensive work on active object oriented databases (AOODBMS) has been carried out in recent years [13, 1, 12, 3, 6]. This area of research can be seen as an enabling technology for supporting applications in heterogeneous information systems. Examples of applications in this category are advanced workflow management systems, real time plant control systems, and process centred software development environments ....
....In Sentinel [1] the minimal set consists solely of the identification of the object (oid) for which a primitive event is applicable. Additional event attributes for supporting method events in Sentinel are: class, method, actual parameters and time stamp. A similar approach has been taken in SAMOS [12] which distinguishes between: environment parameters. For example, time stamp (when was the event raised) transaction id (in which transaction did the event occur) and user id (which user caused the event) parameters which depend on the type of an event. For example, method events have ....
S. Gatziu and K. Dittrich. Events in an active object oriented database system. In Proceedings of the 1st Workshop of Rules in Database Systems, pages 23--29, 1993.
Active Rules in Cooperative Problem Solving - Hagen (1996) (5 citations) (Correct)
....to support CPS. There are however certain basic properties that must be supported to enable this, which will be examined. Many of the active database prototypes are based on object oriented database technology and this will naturally be reflected in the representation. 23 These include SAMOS [GD93] Sentinel [CKTB95] and ACOOD [Ekl95] There are two kinds of objects which need to be present in a system of the nature we are developing. They are agents and contracts. The object model shown at this stage is not complete for an implementation but is used to give an indication of which ....
....problem would be solved if we could specify that for the composite event to signal all the constituent events must have the same conversation identifier, which must be unique for each sub problem of a certain manager. This would be similar to the same parameters operator found in the ADB SAMOS [GD93] In SAMOS all parameters of the method call must be equal for every event in the composite event if it is to signal. However, we would need to extend the same parameters operator with the specification of which method parameters must match. To solve our problem we need the receiver and ....
S. Gatziu and K.R. Dittrich. Events in an Active ObjectOriented Database System. In N.W. Paaton and H.W. Williams, editors, Proceedings 1st International Workshop on Rules in Database Systems (RIDS), Edinburgh, UK. Springer-Verlag, August /September 1993.
A Rule-Based Cooperative Transaction Model And Event Processing In.. - Kuo (1997) (2 citations) (Correct)
....implemented by the automaton is said to take place. Snoop [CKAK94] uses an event graph where event occurrences flow bottomup from the nodes to their parents. An event tree is used for each composite and these trees are merged to form an event graph for detecting a set of composite events. SAMOS [GaDi93] uses petri nets to detect composite events. A petri net [Pete77] is an abstract, formal model of information flow. Figure 2.1 is a pictorial representation of a petri net. The graph contains two types of nodes: circles (called places) and bars (called transitions) Nodes are connected by directed ....
....has occurred. A set of auxiliary places initialized with tokens is used to model petri nets. The composite event is signaled when the place has a token. Figure 2. 1 gives the petri net for a sequence event (E 1 ; E 2 ) i.e. a composite event that event E 1 occurs, and, afterwards, E 2 occurs [GaDi93]. Places E 1 and E 2 are for component events. Place E is an intermediate place indicating that event E 1 occurs. The shaded circle is the place corresponding to the composite event (E 1 ; E 2 ) An auxiliary place is labeled AUX. Event detection in our environment can apply any of the above ....
Gatziu, S. and Dittrich, K.R., "Events in an Active ObjectOriented Database System", Rules in Database Systems, Workshop in Computing, Edinburgh, 1993, pp. 23-39.
DREAM: Distributed Reliable Event-based Application.. - Buchmann, Bornhövd.. (2003) (Correct)
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S. Gatziu and K. R. Dittrich. Events in an Active Object-Oriented Database System. In Proc. of RIDS'93, 1993.
Logical Aspects of Events: Quantification, Sorts.. - Disjointness Ken Kaneiwa (Correct)
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Gatziu, S. & Dittrich, K. R. (1994), Events in an Active Object-Oriented Database System, in `Proceedings of the 1st International Workshop on Rules in Database Systems', Workshops in Computing, Springer, pp. 23--29.
Error Specification, Monitoring and Recovery in Computer.. - Manufacturing An Analytic (Correct)
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Gatziu, S., "Events in an Active Object-Oriented Database System", Proceedings of the First Workshop on Rules in Database Systems, Edinburgh, 1993.
Distributed, Object-Oriented, Active, Real-Time DBMSS: We.. - Buchmann, Liebig (2001) (Correct)
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Gatziu, S. and Dittrich, K.: 1993, Events in an active object-oriented database system, Proceedings of Rules in Database Systems, Edinburgh, pp. 23--39.
DREAM: Distributed Reliable Event-based Application.. - Buchmann, Bornhövd.. (Correct)
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S. Gatziu and K. R. Dittrich. Events in an Active Object-Oriented Database System. In Proc. of RIDS'93, 1993.
An Event Algebra Extension of the Triggering Mechanism in .. - Carlson, Åkerholm (2005) (Correct)
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Gatziu, S. and K. R. Dittrich, Events in an active object-oriented database system, in: Proc. 1st Int. Workshop on Rules in Database Systems (1993).
Illarramendi A., Blanco J.M., Mena E., Go~ni A., P'erez J.M. - Facultad De Inform'atica (Correct)
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S. Gatziu and K.R. Dittrich. Events in an active object-oriented database system. In Proc. of the 1st International Workshop on Rules in Database Systems. Edimburg, U.K., 1993.
An Event Detection Algebra for Reactive Systems - Carlson, Lisper (2004) (Correct)
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S. Gatziu and K. R. Dittrich. Events in an active object-oriented database system. In Proc. 1st Intl. Workshop on Rules in Database Systems (RIDS), Edinburgh, UK, Sept. 1993. Springer-Verlag.
Composite Events for XML - Bernauer, Kappel, Kramler (2004) (1 citation) (Correct)
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S. Gatziu and K. R. Dittrich. Events in an Active Object-Oriented Database System. In Proceedings of the 1st Intl. Workshop on Rules in Database Systems (RIDS), Edinburgh, Scotland, pages 23 -- 29. Springer, 1993.
An Interval-Based Algebra for Restricted Event Detection - Carlson, Lisper (2003) (Correct)
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S. Gatziu and K.R. Dittrich. Events in an Active Object-Oriented Database System. In N.W. Paton and H.W. Williams, editors, Proc. 1st Intl. Workshop on Rules in Database Systems (RIDS), Edinburgh, UK, September 1993. Springer-Verlag, Workshops in Computing.
An Improved Algebra for Restricted Event Detection - Carlson, Lisper (2004) (Correct)
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S. Gatziu and K. R. Dittrich. Events in an active object-oriented database system. In Proc. 1st Intl. Workshop on Rules in Database Systems (RIDS), Edinburgh, UK, September 1993. Springer-Verlag.
ARML: an Active Rule Markup Language for Sharing Rules.. - Cho, Park, Hyun, Kim (Correct)
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Gatziu, S., Dittrich, K. R.: Events in an Active Object-Oriented Database System. In Proceedings of the 1 st International Workshop on Rules in Database Systems. (1993) 23-39
The Convergence of AOP and Active Databases: Towards.. - Cilia, Haupt.. (Correct)
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S. Gatziu and K. R. Dittrich. Events in an Active Object-Oriented Database System. In Proc. of RIDS, Workshops in Computing, pages 23--29. Springer, 1993.
An Intuitive and Resource-Efficient Event Detection Algebra - Carlson (2004) (Correct)
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S. Gatziu and K. R. Dittrich. Events in an active object-oriented database system. In Proc. 1st Intl. Workshop on Rules in Database Systems (RIDS), Edinburgh, UK, September 1993. Springer-Verlag.
The Convergence of AOP and Active Databases: Towards.. - Cilia, Haupt.. (2003) (Correct)
No context found.
S. Gatziu and K. R. Dittrich. Events in an Active Object-Oriented Database System. In Proc. of RIDS, Workshops in Computing, pages 23--29. Springer, 1993.
An Event Detection Algebra for Reactive Systems - Carlson, Lisper (2004) (Correct)
No context found.
S. Gatziu and K. R. Dittrich. Events in an active object-oriented database system. In Proc. 1st Intl. Workshop on Rules in Database Systems (RIDS), Edinburgh, UK, Sept. 1993. Springer-Verlag.
Thesis Proposal: A resource-efficient event detection algebra - Carlson (2004) (Correct)
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S. Gatziu and K. R. Dittrich. Events in an active object-oriented database system. In Proc. 1st Intl. Workshop on Rules in Database Systems (RIDS), Edinburgh, UK, September 1993. Springer-Verlag.
Licentiate thesis proposal: A resource-efficient event detection.. - Carlson (2003) (Correct)
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S. Gatziu and K. R. Dittrich. Events in an active object-oriented database system. In Proc. 1st Intl. Workshop on Rules in Database Systems (RIDS), Edinburgh, UK, September 1993. Springer-Verlag.
Systematic Treatment of Events and Rules - Berndtsson, Lings, Foster (Correct)
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S Gatziu and KR Dittrich. Events in an active object-oriented database system. In Proc. of 1st Int. Workshop on Rules in Database Systems, pages ??--??, 1993.
Issues in Active Real-Time Databases - Berndtsson, Hansson (1995) (5 citations) (Correct)
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S. Gatziu and K. Dittrich. Events in an active object oriented database system. In Proc. of the 1st Workshop of Rules in Database Systems, pages 23--29, 1993.
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