I felt honored and uncertain when Grzegorsz Rozenberg, the president of EATCS, proposed that I write a continuing column on logic in computer science in this Bulletin. Writing essays wasn’t my favorite subject in high school. After some hesitation, I decided to give it a try. I’ll need all the help I can get from you: criticism, comments, queries, suggestions, etc. Andrei Nikolayevich Kolmogoro...

Excerpt] Increasingly, firms find themselves, either by circumstances or choice, operating in highly turbulent business environments. For them, competitiveness is a constantly moving target. Many, it appears, are satisfied to enjoin the struggle with patched up business models and warmed over bureaucracies. But some, convinced that this is a losing proposition, are aggressively exploring and ev...

R ecommendation algorithms are best known for their use on e-commerce Web sites,1 where they use input about a customer’s interests to generate a list of recommended items. Many applications use only the items that customers purchase and explicitly rate to represent their interests, but they can also use other attributes, including items viewed, demographic data, subject interests, and favorite...

Reaction time has a been a favorite subject of experimental psychologists since the middle of the nineteenth century. However, most studies ask questions about the organization of the brain, so the authors spend a lot of time trying to determine if the results conform to some mathematical model of brain activity. This makes these papers hard to understand for the beginning student. In this revi...

This research was aimed at finding out the correlation between learning styles and self-confidence on student’s motivation At SMK Perikanan Provinsi Riau. a correlational study using quantitative method. The subject of all students Riau consisting 10 classes. sample taken by random sampling method from ten classes which each class has different number students. total population 227, 114. data a...

The aim of this paper is to propose the generalized version multipolar neutrosophic soft set with operations and basic properties. Here, we define AND, OR, Truth-Favorite, False-Favorite operators along their Also, necessity possibility for them. Later on, extend it solve decision-making problems, some information measures such as distance, similarity, correlation coefficient set. Several desir...

A large clinical sample of obese men and women were asked for a self-generated list of ten favorite foods. The lists were characterized by frequent instances of foods that are major nutrient sources of fat in the American diet. While obese men listed mainly protein/fat sources (meat dishes) among their favorite foods, obese women tended to list predominantly carbohydrate/fat sources (doughnuts,...