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Joni Salminen Posts

Medieval Game of Death (#bisnesidea)

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”…

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

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…

Use Cases for Personas

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…

Tips on Data Imputation From Machine Learning Experts

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…

Creating Buyer Personas: Common Interview Questions

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…

Platform metrics: Some ideas

I was chatting with Lauri [1] about platform research. I claimed that the research has not that many implications for real-world companies apart from the basic constructs of network effects, two-sidedness, tipping, marquee users, strategies such as envelopment, and of course many challenges, including chicken-and-egg problems, monetization dilemma, and remora’s curse (see my dissertation on startup dilemmas for more insights…