27 Aug 2003
CS 6210: Module 3
20/31
Deciding ranking
ˇBoolean
assigns same importance to all terms
in a query
F4 concert dates in Singapore
lProblem:
“F4” has same weight as “date”
ˇOne
way:
lAssign
weights to the words, make more important
words worth more
lProcess results in q and d vectors: (word, weight), (word, weight) … (word, weight)
Search