Simon Lia-Jonassen

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Information can be used to transform businesses and change lives. The obvious challenge of looking in the right place often requires processing huge amounts of data in the shortest possible time and using only limited resources, and most importantly giving a correct, convenient and visual answer. This is exactly what I love doing. Specialties: research and development; system design and programming; performance evaluation and optimization; scientific writing and technical documentation; customer support and troubleshooting; giving talks and lectures. Interests: information retrieval, data mining and machine learning; distributed systems; algorithms; architecture, efficiency and scalabil...

architecture ir machine learning search information retrieval web real-time analytics data mining efficiency algorithms counting programming counting sketches computer sciences stream processing cloud computing hyperloglog hll word2vec textacy spacy scikit-learn nlp recommendation paper gradient boosted decision trees xgboost chatbots apps mobile apps deep learning ai information technology ads targeting bigdata industry application personalization online replication wand query processing search engines partitioning maxscore caching olap databases microservices cxense big data apache spark hadoop hardware

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About

Simon Lia-Jonassen

Presentations

What should be done to IR algorithms to meet current, and possible future, hardware trends.

Efficient Query Processing in Distributed Search Engines

Yet another intro to Apache Spark

Leveraging Big Data and Real-Time Analytics at Cxense

Efficient Query Processing in Web Search Engines

Large-Scale Real-Time Data Management for Engagement and Monetization

Chatbots are coming!

Xgboost: A Scalable Tree Boosting System - Explained

No more bad news!

HyperLogLog and friends

Likes

Large-Scale User Similarity Modeling at Cxense

Recommending and Searching (Research @ Spotify)

Deep Learning for Recommender Systems RecSys2017 Tutorial

Implementing and analyzing online experiments

Textrank algorithm

Tutorial bpocf

Monadic Java

Keynote @iSWAG2015

Functional programming in java

An Incomplete Data Tools Landscape for Hackers in 2015

How Apache Spark fits into the Big Data landscape

Deep Learning Big Data Meetup @ Trondheim

Scala Data Pipelines for Music Recommendations