Min-Yen Kan and Danny C. C. Poo
Known Item Queries (JCDL 2005)
14/25
Language Modeling
Idea:
Model KIQ as a separate “language” from non-KIQs
Model: simple bigram language model
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Create a language model for each point on scale or each
class
Then, test new query’s goodness of fit to LMs:
Approximation
A model that fits well has a large denominator, take argmin as best candidate