“alpha” pass at analysis
The Effect of Query Choice on Information Retrieval by Walter Liggett
- For 12 topics, the difference in performance is the omission of a single word or phrase
- For 9 topics, the difference is the addition of an “extra” word or phrase
- For 21 topics, the word difference is a substitution with substantial shift in meaning
- For 8 topics, the word difference is a substitution without substantial shift in meaning