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Life of Xunzhang

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Project

There are some projects I have developed since 2012. I am a deep believer of open-source, I like github and do not like gitlab.

girl

  • Coming soon

Catchu

  • Detect insider intruders in database system using ML
  • Dec 2016

Apache HAWQ

  • Native SQL Engine on Hadoop, Collaborative Project at Pivotal
  • Voted as ASF Committer: 90+ Commits, 50+ JIRAS, 50+ mail threads in dev/user mailing list in 7 months
  • Top #3 committer in the open source community
  • 2016

Rec

  • Recommendation Cloud Service based on SQL: combine infrastructures inside Pivotal including HAWQ, MADlib, Cloud Foundry
  • Winner Project of the Hackday Competition✌️
  • With @lma, May 2016

Paracel Toolkits

  • Distributed Algorithm Library built on Paracel framework
  • Algorithms include regression(ridge, lasso), classification(lr), clustering(kmeans, Spectral Clustering), graph processing(pagerank), recommendation systems(svd, mf, similarity, decision tree, als) and topic modeling(lda)
  • @Douban.Inc, 2014

Plato

  • Realtime Recommendation System based on Factor Model
  • Online/nearline/offline(balltree/regression/matrix factorization) three-layer backends
  • An application of Plato called platoon is used for Douban FM, improve 5% completion rate
  • @Douban.Inc, 2015.

Paracel logo

afc

Threp