Learning to Rank

Learning to Rank

Kevin Duh Johns Hopkins University

June 2019

What is Ranking?

UNORDERED SET

ORDERED LIST

RANKING FUNCTION

1

What is Learning to Rank?

UNORDERED SET

ORDERED LIST

RANKING

FUNCTION

trained by

Machine

Learning

2

Common in Search Engines

3

Anatomy of a Search Engine

INDEX: Trillions of Pages

UNORDERED SET: Thousands of Pages

ORDERED LIST

FAST BOOLEAN SEARCH

COMPLEX RANKING FUNCTION

4

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