24 Aug 2004
CS 5244: Indexing / Classification
11
Controlled vocabularies
¡Benefits
l(Potentially) high precision, high recall
lQuestion: which of these components is more important?
l
¡Drawbacks
lCostly to construct and maintain
lIs difficult to use
¡Need CV knowledge
Query
Relevant
Documents
Controlled
Terms
Indexing
Retrieval