Talk to sales Try for Free
Qian Qian

Qian Qian

Data Mining Engineer

Followers of Qian Qian106 followers
location of Qian QianPutuo District, Shanghai, China

Connect with Qian Qian to Send Message

Connect

Connect with Qian Qian to Send Message

Connect

  • Timeline

  • About me

    Data Engineer at Shanghai DAQI Co. Kaggle Grand Master

  • Education

    • Georgia Institute of Technology

      2008 - 2011
      Electrical and Electronics Engineering

  • Experience

    • Shanghai Xun Qian Tech Co.

      Aug 2015 - now
      Data Mining Engineer

      Build content based recommendation engine with machine learning models.Design process of log collecting and choose ELK as open source framework.Deal with log etl issues, design distributed task system based on celery.Data reports using sql, python pandas.Develop Elasticsearch searching api.Chatbot project.Recommendation project for resume and jd.

  • Licenses & Certifications

  • Honors & Awards

    • Awarded to Qian Qian
      Kaggle porto seguro 2nd Kaggle Dec 2017
    • Awarded to Qian Qian
      kaggle quora question pair 8th place kaggle quora Jun 2017 kaggle competitionquora question pairingusing nlp tech like word2vec,glove, tfidf, lda, deep learning, graphical etcranking 8th placesolution: https://github.com/qqgeogor/kaggle-quora-solution-8th
    • Awarded to Qian Qian
      IJCAI-17 Koubei 10th price Ant financial/Ali tianchi Feb 2017 Time series related sales prediction.Hosted by Ant financial on Ali Tianchi.Data provided by Ant financial.Using snaive, ts models,dl models(lstm,cnn,mlp etc.)
    • Awarded to Qian Qian
      Santa's uncertain bags 3rd place Kaggle Feb 2017 modeling an optimization problem of Santa's uncertain bags
    • Awarded to Qian Qian
      Bytecup 2016 2nd price Chinese Association for Artificial Inteligence Jan 2017 A question/expert recommendation competition organized by Chinese Association for Artificial Inteligence.Data provided by Jinritoutiao.Won 2nd price.Using graph model based tech and self-optimized factorization machine.
    • Awarded to Qian Qian
      home-depot-product-search-relevance 15th Kaggle Mar 2016 nlp related competitionusing search term to map searching result and optimize the rank of result productsusing tfidf,word2vec,glove,lsi,edit distance etc.
    • Awarded to Qian Qian
      Job prediction 9th place Datacastle Dec 2015 build models to predict jobs for candidatesusing ensemble of ml models(xgb,rf,nn,lr etc)