Question: Probabilistic retrieval model: ( a ) Given a query as shown in the table, if we have the following document - term matrix and the
Probabilistic retrieval model: a Given a query as shown in the table, if we have the following documentterm matrix and the associated relevance information for a probabilistic retrieval model. An entry indicates that the term occurs in a document, and means it does not: R or NR indicate the relevance of the document with respect to queries in the training data Assume the information retrieval system received two new documents and their vectors according to T through T are as follows: Probabilistic retrieval model:
a Given a query as shown in the table, if we have the following documentterm matrix and the associated relevance information for a probabilistic retrieval model. An entry indicates that the term occurs in a document, and means it does not: R or NR indicate the relevance of the document with respect to queries in the training data
tableTTTTTTRelevancedoc
doc; doc
Compute their retrieval status values RSV to find which one should be ranked higher note: please smooth the counting by adding as shown in the following table
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