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Real-Time Anomaly Detection for Streaming Analytics

2016-07-08Code Available0· sign in to hype

Subutai Ahmad, Scott Purdy

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Abstract

Much of the worlds data is streaming, time-series data, where anomalies give significant information in critical situations. Yet detecting anomalies in streaming data is a difficult task, requiring detectors to process data in real-time, and learn while simultaneously making predictions. We present a novel anomaly detection technique based on an on-line sequence memory algorithm called Hierarchical Temporal Memory (HTM). We show results from a live application that detects anomalies in financial metrics in real-time. We also test the algorithm on NAB, a published benchmark for real-time anomaly detection, where our algorithm achieves best-in-class results.

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Benchmark Results

DatasetModelMetricClaimedVerifiedStatus
Numenta Anomaly BenchmarkBayesian ChangepointNAB score17.7Unverified
Numenta Anomaly BenchmarkSliding ThresholdNAB score15Unverified

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