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From the Exercises section: > The stemming for ponies and pony might seem strange. What's that all about?

• djur 8y ago
  The stem for 'ponies' in the earlier figure was 'poni'. That means that 'pony' has to be stemmed as 'poni' in order to correctly retrieve 'pony' when searching for 'ponies' and vice versa.
  • raldi 8y ago
    The next question was, Does it have a deleterious effect on retrieval? Why or why not? Any thoughts?