Assignment 7
Boolean Search
Uses the operations AND, OR, and NOT in search queries to facilitate information retrieval.
Pros:
well understood
easy to build
many are already in operation
flexible operations
Cons:
training needed to fully utilize operations
operations do not include some relationships
no system to rate importance of terms in the search query
no control over amount of query results
search query can return null or overload of results
Vector Processing
Items in the database are given a value, binary or weighted, to indicate importance and relevance to certain terms in the search query.
Pros:
just choose search terms
results are rated for importance
results are returned in order of relevance
includes relevance feedback for improved results
Cons:
assumed independence of search terms
unable to identify synonyms or phrases
ratings for importance/relevance are subject to vary
