Searching the Web - How Google Works

Professor Thomas Erlebach

Google and other search engines put the web at our fingertips. They allow us to find webpages relevant to the keywords we enter in a fraction of a second. How is it possible that search engines can find the information we are looking for so quickly? How does Google know which pages are likely to be the most relevant to our search? In this lecture we will discuss the principles behind Google: the data structures and algorithms used to index and search the web.

  • Approximate length: 50 minutes
  • Equipment required: overhead projector
  • Target audience:  for students at Years 8, 10 or 12 (technical depth of the content will be adapted)

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