Lecture

Efficient Event Pattern Detection

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Description

This lecture covers the challenges of managing stateful CEP queries, the exponential growth of partial matches, and the dynamic nature of event streams. It introduces load shedding strategies, prefetching, lazy evaluation, and cache management for remote data integration.

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Related concepts (10)

Complex event processing

Event processing is a method of tracking and analyzing (processing) streams of information (data) about things that happen (events), and deriving a conclusion from them. Complex event processing (CEP) consists of a set of concepts and techniques developed in the early 1990s for processing real-time events and extracting information from event streams as they arrive. The goal of complex event processing is to identify meaningful events (such as opportunities or threats) in real-time situations and respond to them as quickly as possible.

Operational intelligence

Operational intelligence (OI) is a category of real-time dynamic, business analytics that delivers visibility and insight into data, streaming events and business operations. OI solutions run queries against streaming data feeds and event data to deliver analytic results as operational instructions. OI provides organizations the ability to make decisions and immediately act on these analytic insights, through manual or automated actions.

Cache (computing)

In computing, a cache (kæʃ ) is a hardware or software component that stores data so that future requests for that data can be served faster; the data stored in a cache might be the result of an earlier computation or a copy of data stored elsewhere. A cache hit occurs when the requested data can be found in a cache, while a cache miss occurs when it cannot. Cache hits are served by reading data from the cache, which is faster than recomputing a result or reading from a slower data store; thus, the more requests that can be served from the cache, the faster the system performs.

Business activity monitoring

Business activity monitoring (BAM) is software that aids the monitoring of business activities which are implemented in computer systems. The term was originally coined by analysts at Gartner, Inc. and refers to the aggregation, analysis, and presentation of real-time information about activities inside organizations, customers, and partners. A business activity can either be a business process that is orchestrated by a business process management (BPM) software, or that of a series of activities spanning across multiple systems and applications.

Cache replacement policies