Category: Advanced Event Processing

Orwellian Event Processing

Posted on 02/28/10 16 Comments

Recently we completed the installation and training of an open source Bayesian classifier to replace a rule-based approach to manage forum spam.  In a nutshell, we found the rule-based approach was highly prone to both false positives and false negatives; however, a statistical approach using a Bayesian approach has turned out to be far superior. [...]

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What’s Really Happening in the World of CEP

Posted on 12/15/09 6 Comments

There is quite a lot is happening in the world of complex event processing.  Interestingly enough, the people and the companies advancing processing complex events are not calling what they are doing “CEP the Buzzword” we read about in the press or that a handful of “pioneers” claim make them modern-day CEP “experts”. The companies [...]

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Announcing Amazon CloudWatch, AutoScaling and Load Balancing

Posted on 05/18/09 1 Comment

AWS has announced the public beta of three new features for Amazon EC2: Amazon CloudWatch for monitoring AWS cloud resources, Auto Scaling for automatically growing and shrinking capacity based on demand, and Elastic Load Balancing for distributing incoming traffic across Amazon EC2 compute instances.

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Mahout on Elastic MapReduce: Running k-means Clustering

Posted on 05/07/09 No Comments

Following up on KMeans Clustering Now Running on Elastic MapReduce, Stephen Green has generously documented the steps that was necessary to get an example of k-Means clustering up and running on Amazon’s Elastic MapReduce (EMR) on the Apache Lucene Mahout wiki. Mahout on Elastic MapReduce by Stephen Green As a side note, there has been [...]

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CloudFront LogAnalyzer on Amazon Elastic MapReduce

Posted on 05/07/09 No Comments

The Amazon Elastic MapReduce team has a sample application, CloudFront LogAnalyzer, designed to analyze Amazon CloudFront access logs. This tool provided users with the power of Amazon Elastic MapReduce to quickly turn access log data into actionable intelligence. Access logs are activity records about all requests delivered through Amazon CloudFront and contains a valuable set [...]

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[ANNOUNCE] Apache Mahout 0.1 Released

Posted on 04/08/09 1 Comment

The Apache Lucene project is pleased to announce the release of Apache Mahout 0.1. Apache Mahout is a subproject of Apache Lucene with the goal of delivering scalable machine learning algorithm implementations under the Apache license.  The first public release includes implementations for clustering, classification, collaborative filtering and evolutionary programming. Highlights include: Taste Collaborative Filtering [...]

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Real CEP News: Amazon Announces Elastic MapReduce

Posted on 04/02/09 4 Comments

Yesterday Amazon announced the public beta of Amazon Elastic MapReduce, a web-based service that enables businesses, researchers, data analysts, and developers to easily and cost-effectively process vast amounts of data.  Amazon Elastic MapReduce utilizes a hosted Hadoop framework running on the web-scale infrastructure of Amazon Elastic Compute Cloud (Amazon EC2) and Amazon Simple Storage Service [...]

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Early Event Detection – A Prototype Implementation

Posted on 03/23/09 2 Comments

In my earlier post today, A Review of Zabbix – Zabbix Rules! (Part 2) I used the term “event precursor.”   Afterwords I thought “this is a nice event processing term, I wonder who used it before me?” So, I did a bit of Googleing around and came up with this excellent paper where the term [...]

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A Review of Zabbix – Zabbix Rules! (Part 2)

Posted on 03/23/09 2 Comments

In A Review of Zabbix – Zabbix Rules! (Part 1) we provided a brief introduction to Zabbix in the context of network and security management.  In this post I will discuss Zabbix as an event processing platform. Zabbix is like most event processing platforms.  Zabbix provides both agent-initiated events as well as server-requested events.  In [...]

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Truely Impressive New Sixth-Sense Technology

Posted on 03/14/09 1 Comment

Here is an amazing video by Pattie Maes from MIT Media Lab, presented at TED.   Pattie presents a wearable device cobbled together for around $350 dollars that consists of a camera, a small projector with a mirror, and a device to communicate with a cell phone.  I want to thank Perderabo over at The UNIX [...]

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