Definition: In this task, you are given a news article. Your task is to classify the article to one out of the four topics 'World', 'Sports', 'Business', 'Sci/Tech' if the article's main topic is relevant to the world, sports, business, and science/technology, correspondingly. If you are not sure about the topic, choose the closest option. Note that URLs in the text have been replaced with [Link].
Input: Vivisimo Offers Consumers a New Search Engine Format Vivisimo #39;s co-founder and chief executive, Raul Valdes-Perez, was a protege of Herbert Simon, a Nobel laureate who was a pioneer in artificial intelligence research.

Sci/Tech