| Deciding
ranking |
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| ˇ | Boolean
assigns same importance to all |
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| terms in a
query |
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| F4 concert
dates in Singapore |
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| l | Problem: “F4”
has same weight as “date” |
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| ˇ | One way: |
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| l | Assign weights
to the words, make more |
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| important words
worth more |
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| l | Process results
in q and d vectors: (word, |
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| weight), (word,
weight) … (word, weight) |
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