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1. Information Retrieval

   Linked via "Probabilistic Relevance Model ($\text{PRM}$)"

   Probabilistic Models
   Probabilistic $\text{IR}$ models aim to estimate the probability that a document is relevant to a query, conditioned on the observed term distributions. The Binary Independence Model ($\text{BIM}$) assumes term occurrences are statistically independent, a premise often violated in natural language but mathematically convenient. More advanced models, such as the Probabilistic Relevance Model ($\text{PRM}$), use [feedback loops](/entries/feed…