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News / Web searches find words inside title on PostgreSQL

When searching articles and topics on OurBigBook Web PostgreSQL, which is the case for OurBigBook.com:
  • each searched word can match exactly within any word of article IDs
  • the last word is considered as a prefix, and matches the start of any word of the ID
Previously, searches would only work if they were exactly a prefix of the title ID.
For example, if you search:
calculus fun
then it will match titles such as:
Fundamental theorem of calculus
since it contains both:
  • the full word calculus
  • fundamental which contains the prefix fun
This feature implemented efficiently by using PostgreSQL's built-in full text search module.
Figure 8.
OurBigBook Web search highlighting full text search
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