The one, really big, difference between Complex Event Processing and traditional BRMS tools is that the former is loosely associated with EDA and decisions that are based on multiple events, whereas the latter is more associated with conventional request-reply SOA and automating decisions made in managed business processes.
Most BREs today are deployed as “decision services”, and are used in “stateless” transactions to make “decisions” as a part of a business process. A CEP application is instead processing multiple event streams and sources over time, which requires a “stateful” rule service optimized for long running. This is an important distinction, as a stateful BRE for long-running processes needs to have failover support - the ability to cache its working memory for application restarting or distribution. And of course long-running processes need to be very particular over issues like memory handling - no memory leaks allowed!
Substitute a standard web services interface for a speaking tube, a business rules management system for his encyclopedic knowledge of policies and regulations, data mining or predictive analytics for his customer knowledge and adaptive control for his experimentation and you have Decision Management. The Answerer but on an industrial scale.
Let’s start by recapping decisions services. Decision services are services, generally stateless ones, that answer business questions for other services. Decision Services typically have no side effects so they can be called whenever they are needed without the caller worrying that something will change in the system. This means that database updates, event generation or other actions taken as a result of the decision are taken by the caller not by the Decision Service. This is not 100% true but works as a general rule. To work, Decision Services need to contain all the logic and algorithms necessary to make the decision correctly.
In diesem Buch werden alle relevanten modernen Standards der Geschäftsprozessanalyse und -modellierung miteinander verbunden und ihre praktische Handhabung dargestellt.
Kern des Buches ist eine Geschäftsprozess-Methodik, die die verschiedenen Standards in praxisrelevanter und harmonischer Weise verbindet. Sie erfahren, welche Standards es gibt, wofür und wie diese eingesetzt werden können und welche Möglichkeiten aber auch möglichen Einschränkungen in der Praxis damit verbunden sind. Basis sind die BPMN (Business Process Modeling Notation), OSM (...), BMM (...), SBVR (..) und UML (...) - wobei diese Standards zielgerichtet nur soweit behandelt werden, wie es für die Auseinandersetzung mit Geschäftsprozessen notwendig ist.
Sie erfahren wie Strategien, Geschäftsregeln und Geschäftsprozesse dargestellt werden können und welche Strukturierungsmöglichkeiten es für Unternehmensarchitekten es gibt.
Das Buch richtet sich an Business-Analysten, Prozessdesigner, Betriebsorganisatoren und verwandte Rollen.
Rob sees three key areas where rules can help:
Tighter warranty controls
Claims processing is improved because financial limits, detailed coverage types, materials return and more can be automated and rapidly changed when necessary. The rules also allow “what-if” testing and impact analysis.
Better built vehicles
The decision making is tracked very closely thanks to rules so you can analyze specific repair types, specific VINs and so on. More effective parts return and generally better information also contribute.
Lower cost repairs
Rules allow goodwill repairs, labor-only repairs and specific kinds of repairs to be managed very precisely. Rules-driven decisioning can reduce the variation of costs between dealers and help intervene, rejecting or editing claims that seem overly expensive. The ability of rules to deploy data mining and predictive analytics can also really help here.
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