Database vs. Text Search
Traditional Database Search
Trouble with multi-word searches, especially phrases, Boolean "And",
etc. which are incredibly slow.
Field Limitations: must request all appropriate fields, which may
No relevance ranking: results sorted by date, price, product ID, but
not similarity to search query.
Other assumptions (e.g. blank search = get everything)
Search functions: all the search features, including phrases, Booleans,
Grouping Fields: each record is indexed with all fields together
Relevance Ranking: sorting results according to which record is most
likely to be useful for this search
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Search Engine Strategies
San Francisco, August 17 2001
Avi Rappoport, Search Tools Consulting