Concepts and models for typing events for event-based systems

Rozsnyai, Szabolcs; Schiefer, Josef; Strobel, Alexander

doi:10.1145/1266894.1266904

Cited by 38 publications

(26 citation statements)

References 12 publications

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“…In [25] Hermes, Gryphon, Siena, Esper, Borealis and Aurora (now just Borealis), and AMIT are discussed. Esper, now a product from ExperTech 3 , is currently available under GPL license [25].…”

Section: State Of the Art And Relatedmentioning

confidence: 99%

“…Esper, now a product from ExperTech 3 , is currently available under GPL license [25]. Borealis is a secondgeneration distributed stream processing engine.…”

Section: State Of the Art And Relatedmentioning

confidence: 99%

“…The CEA, JEDI, Siena, Hermes, Gryphon, Esper, RuleCore, and AMIT Research projects, and industrial solutions, work on event stream processing (ESP) and complex event processing (CEP). These two approaches address processing large amounts of events delivering real-time communication, allowing closed loop decision making, and continuous data integration [25].…”

Section: State Of the Art And Relatedmentioning

confidence: 99%

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Regulated Condition-Event Matrices for Cloud Environments

Wallace¹,

Martin²,

Vázquez-Poletti³

2014

SCPE

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Abstract. Distributed event-based systems (DEBS) are networks of computing devices. These systems have been successfully implemented by commercial vendors. Cloud applications depend on message passing and inter-connectivity methods exchanging data and performing inter-process communication. Both DEBS and Clouds need time-coordinated methods of control not dependent on a single time domain. While DEBS have specific implementation languages for complex events, Cloud systems do not. Clouds and DEBS have not yet presented an explicit separation of temporally based event processing from computations. Using a regulated, isomorphic, temporal architecture (RITA), a specific language and separation of temporal event processing from processing computation is achieved. RITA provides a functional programming style for developers using familiar language constructs for integration with existing processing code without forcing the developer to work in multiple coding paradigms requiring extensive "glue code" allowing coding paradigms to work together. This paper introduces RITA as a guarded condition-event system that has explicit separation of event processing and computation with constructs allowing integration of time-aware events for multiple time domains found in Cloud or existing distributed computing systems. The roots of RITA came from real-time avionics control software [30,16] and with the current move to have cloud systems handle time critical processing, so RITA is now relevant to cloud systems. These cloud systems have reached a processor interconnect scale requiring carefully controlled intra-and inter-processor communication just as avionics and telecommunications systems require [2]. RITA focuses on the real-time processing and optimal communication needs of intensive computing applications by controlling time-aware and data value sensitive guards to prevent unnecessary interruption thus allowing more CPU time for intensive computing applications. We will show that RITA is a novel service for high performance computing applications that have migrated to cloud environments.RITA is designed for event based, quantitative, time critical communication for computationally intensive applications which include communication networks, modeling and simulation, financial forecasting and trading systems, computational chemistry, and drug discovery as obvious applications. RITA can also be applied to workflow systems that are instance-intensive. These systems are unlike computationally intensive systems as they have thousand of instances per second of concurrent, often relatively simple, workflow instances.RITA is a novel minimal set of canonical event transform types that are formally defined. These transform types are used for specification ofá priori time and data values relevant to event-based data transformations. RITA is a compact event system where its elements are used in combination to build larger event processing systems. Thus, by establishing a condition-event matrix control for a DEBS, it is possible to have da...

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Section: State Of the Art And Relatedmentioning

confidence: 99%

“…Esper, now a product from ExperTech 3 , is currently available under GPL license [25]. Borealis is a secondgeneration distributed stream processing engine.…”

Section: State Of the Art And Relatedmentioning

confidence: 99%

Section: State Of the Art And Relatedmentioning

confidence: 99%

See 1 more Smart Citation

Regulated Condition-Event Matrices for Cloud Environments

Wallace¹,

Martin²,

Vázquez-Poletti³

2014

SCPE

View full text Add to dashboard Cite

show abstract

“…The event typing model of SARI [24] consists of event object type definitions which have one or more attributes. An attribute type can be either a single-value type, collection/dictionary type or another nested event object type.…”

Section: Data Management Figure 4: Eventbase Data Modelmentioning

confidence: 99%

“…Advanced event typing concepts are discussed in [24]. Event object types can be specialized by inheriting attributes from parent types similar to object-oriented programming languages.…”

Section: Figure 5: Event Object Type Inheritance Datamentioning

confidence: 99%