Adjusting Funnelback's "fuzziness" when producing search results

bizt 2019-09-23 14:30:05 UTC #1

When I search for "accounting" we get a list of course results that match this term, such as "Accounting" course. This course is also returned if I search "accountants". However, if I search "accountancy" I get no results. I'm wondering whether this is something I can adjust in the collection's config? In this case, I'd like to see a broaden of matches for a related keyword.

plevan 2019-09-23 21:42:40 UTC #2

Hi,

You can increase the 'fuzziness' slightly by relaxing the stemming mode. By default the stemming basically handles plurals.

To relax this you can add the following query processor option: -stem=3 (by default it is -stem=2 which will apply if this is present in the query processor options, or if there is no -stem=X option in the set of options.

Please note that increasing the fuzziness does tend to reduce the quality of the results because the search may includes words that you were not expecting.

bizt 2019-09-26 08:18:23 UTC #3

Thanks. Yeh I've seem this property in use but never really knew it's purpose. I'll study that docs page you posted, and yeh I want to achieve a good balance between quality and quantity of results so will keep an eye on any changes to this.