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Tamaki Kousaka

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Paradoxes

In this issue of “Intractable Problems” I want to discuss various paradoxes that can occur during our work. Now, the Oxford dictionary says that a paradox is a self-contradictory or essentially absurd statement. This term can probably be applied to many aspects of computing. [...]

Language Ambiguity

Ah, it’s time to roll up our sleeves and dive in to another issue of “Intractable Problems”. Let’s brush the dust off our thinking cap and see if we can make some sense out of the language we all speak. In this issue I want to look at some of the ambiguities and complexities of our natural language. [...]

System Engineering

In this issue of “Intractable Problems” we wish take a close look at systems engineering. In many cases, proper system design requires that parts of the system be prototyped or tested through controlled experiments. [...]

Bremermann's Limit

It’s time for another issue of “Intractable Problems”, a column designed to challenge and stimulate your thinking skills. As I promised you last issue, we will examine what limits, if any, exist on the amount of information we can hope to process in a given interval of time. [...]

Query Optimization

“Intractable Problems” is a column designed to challenge and stimulate your thinking skills. In this issue I want to challenge you to look at some of the difficulties inherent in accessing the data in our computer systems. [...]

Graph Colouring

Well, once again it is time for yet another issue of “Intractable Problems”. In this issue I would like to examine just how difficult it is to colour something. So, what can be so difficult about colouring? [...]

Information Theory

Welcome to yet another issue of “Intractable Problems”, a column designed to challenge and stimulate your thinking skills. In this issue we want to examine the nature and characteristics of information. What is information, you may ask? This is a difficult question. [...]

Fuzzy Logic

Welcome to another issue of “Intractable Problems”. In this issue I want to stimulate your thinking skills by discussing fuzzy logic, a logic system that evaluates truth in shades of gray. [...]

Murphy's Law

Welcome to the fourth issue of “Intractable Problems”, a column designed to challenge and stimulate your thinking skills. In this issue we take a close look at language, at least in the sense of assessing our collective wisdom at understanding computer projects. Are you familiar with Murphy’s Law? [...]

Stock Market Performance

Welcome to the next issue of “Intractable Problems”, a column which I hope will challenge and stimulate your thinking skills. In this issue I want to show you that there are enough similarities between the stock market performance and a completely random process for all of us to seriously consider using guesses for choosing stock! [...]