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Questions and Answers
What is the primary function of an index term in a document?
What is the primary function of an index term in a document?
- To retrieve the document from a collection of documents
- To determine the relevance of the document to a user's query
- To provide a summary of the document's main themes
- To help in remembering the document's main themes (correct)
What makes a word that appears in all 100 documents in a collection useless as an index term?
What makes a word that appears in all 100 documents in a collection useless as an index term?
- It appears too frequently in the documents
- It does not provide any unique information about the documents (correct)
- It lacks semantic meaning
- It is not a representative keyword
What is the primary advantage of using partial matching in the vector space model?
What is the primary advantage of using partial matching in the vector space model?
- It enables the use of binary weights for index terms
- It allows for exact matching of queries and documents
- It enables the ranking of documents by closeness to the query (correct)
- It increases the complexity of the query processing
What is the purpose of assigning non-binary weights to index terms in the vector space model?
What is the purpose of assigning non-binary weights to index terms in the vector space model?
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What is the outcome of computing the degree of similarity between documents and a user query in the vector space model?
What is the outcome of computing the degree of similarity between documents and a user query in the vector space model?
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Who proposed the vector space model in 1975?
Who proposed the vector space model in 1975?
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