1 Introduction

“My bus is coming!”

We have probably all said this at some point in our lives. But what exactly do we mean by it? Is our bus really a physical vehicle? In such cases, the passenger is not usually thinking about a very specific vehicle. From the passenger’s point of view, it is important that the bus or tram arrives at the stop at the correct time and travels in the right direction.

Bus – Trip

However, if our passenger happens to be a computer scientist and is particular about terms, then he might say: “My trip is coming!” This sounds quite strange, doesn’t it? Granted, but what happens when we are at the airport?

Aeroplane – Flight

“Our flight is delayed. I heard that the plane hasn’t even landed yet.”

Everyday language makes a ...

Get IT Systems in Public Transport now with the O’Reilly learning platform.

O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.