Preprint
Aug 2026
Robustness of IR Models to Collection Growth
Information Retrieval (IR) systems seek to identify relevant documents within a collection. In practical applications, collections are dynamic, with documents frequently added. We argue that ideally, a retriever's effectiveness should not decrease when non-relevant documents are added to a collection. This study formal...
Emmanouil Georgios Lionis, Sean MacAvaney, Debasis Ganguly
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