Intro to Python for Computer Science and Data Science: Learning to Program with AI, Big Data and The Cloud

14.6 Case Study: Traveler’s Companion Translation App

Suppose you’re traveling in a Spanish-speaking country, but you do not speak Spanish, and you need to communicate with someone who does not speak English. You could use a translation app to speak in English, and the app could translate that, then speak it in Spanish. The Spanish-speaking person could then respond, and the app could translate that and speak it to you in English.

Here, you’ll use three powerful IBM Watson services to implement such a traveler’s companion translation app,²⁹ enabling people who speak different languages to converse in near real time. Combining services like this is known as creating a mashup. This app also uses simple file-processing capabilities that we introduced ...