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Jettro Coenradie

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Learning to rank search resultsJ-Fall 20182018-11-08
Shows a concrete pipeline: index games in Elasticsearch, log clicks and basket clicks, generate a judgment list (expert or via epsilon click models), extract…
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Building your first recommenderCodemotion Amsterdam 20182018-05-08
Builds a recommender from user events: capture clicks/plays, enrich and store them, then train collaborative filters using Jaccard/Manhattan/L2 and cosine…
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Relevant search results (with elasticsearch)Codemotion Amsterdam 20172017-05-16
A demo search app indexes the Rolling Stone top 500 albums (500 records) and uses Java, Angular and Elasticsearch via the Kibana console to show concrete…
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Making your elastic cluster performCodemotion Amsterdam 20162016-05-11
Practical, checklist-style guidance for running Elasticsearch: set JVM heap <=30g and give the OS the rest, prefer many CPU cores and SSDs; configure cluster…
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Handling, extending and presenting data with ELK+J-Fall 20152015-11-05
Uses Logstash + Elasticsearch + Kibana plus small Java and Node.js pieces to do real tasks not slides: reads Apache logs and a MySQL dump (parses the "INSERT…
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