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A quadratic lower bound for Rocchio's similarity-based relevance feedback algorithm with a fixed query updating factor.
Zhixiang Chen
Bin Fu
John Abraham
Published in:
J. Comb. Optim. (2010)
Keyphrases
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relevance feedback
objective function
computational complexity
optimal solution
np hard
query expansion
worst case
dynamic programming
information retrieval
feature weighting
lower bound
search space
k means
retrieval precision
lower and upper bounds
user feedback
image retrieval
data structure
learning algorithm