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TASK 2 Below, you will need to implement Jaccard ranking function using the following mathematical expression: score ( q , d ) = | q
TASK
Below, you will need to implement Jaccard ranking function using the following mathematical expression:
score
In : N def vsmjaccardindexer querytokens, docs:
Calculate the Jaccard similarity coefficients for a given set of documents using the Vector Space Model VSM
Args:
indexer Indexer: An instance of the Indexer class containing the inverted index.
querytokens dict: A dictionary representing the query with terms as keys and their frequencies as values.
docs list: A list of document IDs for which the scores need to be calculated.
Returns:
dict: A dictionary containing document IDs as keys and their corresponding scores as values.
results
for docid in docs:
commonterms setquerytokens.keys & setindexerdocumenttermvectordocidkeys
intersectionsize indexer.documenttermvectordocidterm for term in commonterms
score intersectionsize unionsize if unionsize else
resultsdocid score
return results
Let's now test the Jaccard Ranking function by running the following cell:
In :
AssertionError:
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