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Joni Salminen Posts

Automatic Analytics: Considerations for Building User-Oriented Data Analytics Systems

Published by Joni on September 24, 2018

This is an unpublished exploratory study we wrote with Professor Jim Jansen for Machine Learning and Data Analytics Symposium (MLDAS2018), held in Doha, Qatar. Change of landscape: For a long time, automation has been invading the field of marketing. Examples of marketing automation include the various scripts, rules, and software solutions that optimize pay-per-click spending, machine learning techniques utilized in…

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How to write emails that get read? 11 tips I use daily.

Published by Joni on August 12, 2018

Here are some tips to make people more likely to read your email. I’ve noticed that some people struggle to communicate effectively via email, so maybe sharing these tips will help someone. Tips: 1. include *one message* per email — when you include 2 or more, the others easily get ignored. It’s better to send a new message, like “ps.…

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Medieval Game of Death (#bisnesidea)

Published by Joni on August 12, 2018

korttipeli, jossa yritetään selvitä keskiajan kylän läpi. A plague – a rat bites you and infests you with plague death guillotine alchemist mermaid hellhound inquisition witchcraft burning at stake lonely knight harlequin B map: back alley market place castle tavern underworld gates of heaven A+B –> jokaisessa oma tarina “travel through a medieval town and see if you can survive”…

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“No Startup Is an Island” – How to Use Network Pictures to Position Yourself in the Market

Published by Joni on August 12, 2018

I got introduced to network pictures by Valtteri Kaartemo a few years back, and thought it was a cool idea. Since then, I’ve realized — after talking to many startups — that it’s more than a cool idea. It’s actually useful. That’s because startups routinely overlook their networks and just focus on competitors. They make positioning to competitors, not to…

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Use Cases for Personas

Published by Joni on August 12, 2018

This is a joint piece by Dr. Joni Salminen and Professor Jim Jansen. The authors are working on a system for automatic persona generation at the Qatar Computing Research Institute. The system is available online at https://persona.qcri.org. Introduction Personas are fictive characterizations of the core audience or customers of a company, introduced into software development and marketing in the 1990s (see…

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Tips on Data Imputation From Machine Learning Experts

Published by Joni on August 11, 2018

Missing values are a critical issue in statistics and machine learning (which is “advanced statistics”). Data imputation deals with ways to fill those missing values. Andriy Burkov made this statement a few days ago [1]: “The best way to fill a missing value of an attribute is to build a classifier (if the attribute is binary) or a regressor (if…

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Creating Buyer Personas: Common Interview Questions

Published by Joni on August 11, 2018

Introduction At Qatar Computing Research Institute (QCRI), we are developing a system for automatic persona generation (APG). The demo is available online at https://persona.qcri.org As a part of this research, we’re interested in the information needs of end users of personas [1]. People working in different domains are interested in different information, after all. For example, journalists want to know what…

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