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[EP-tech] Help indexing phrases



CAUTION: This e-mail originated outside the University of Southampton.
David thanks for your considered comments, as this is an prototype for guidance documents.

Was thinking allow the same lines as making a field for each phrase they trying to get xapian to look at the whole field as a single term. ( will review metafield  in 3.4.2)

Best Regards,
Phil Stacey 07792661738<tel:07792661738>
building regulations guidance for fire safety<https://eur03.safelinks.protection.outlook.com/?url=https%3A%2F%2Feprints.buildvoc.co.uk%2F&amp;data=04%7C01%7Ceprints-tech%40ecs.soton.ac.uk%7Ce751f066be7145cf1cb608d8c169e5d4%7C4a5378f929f44d3ebe89669d03ada9d8%7C0%7C0%7C637472007855061562%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&amp;sdata=Z%2BOAbZOa9r8ePHUxyJbjwytKmcncs%2FALvkRMQU06Lw0%3D&amp;reserved=0>

On 25 Jan 2021, at 09:21, David R Newman <drn at ecs.soton.ac.uk> wrote:

?

Hi Phil,

Unfortunately, I don't think this is possible.  I think you would need to create a new field that is an id multiple field and use this.  You could probably write a script to map from the uncontrolled keywords field into this new multiple id field.  However, even with this new field I am not sure how well Xapian would index these as individual multi-word terms.  Advanced search for this field should work as you require.  In 3.4.2 I introduced the Idci MetaField that is basically the same as the Id MetaField but that matches case-insensitively, this is useful for mathcing things like email addresses and usernames, where case does not usually make a functional difference.

I have been thinking how best to implement a keywords fields that is more effective across simple, advanced and faceted search, particularly for multi-word terms.  I have yet to conclude on a solution, as I need to better understand how Xapian indexing works to see if it can be setup to allow EPrints to effectively index multiple-word terms.

Regards

David Newman

On 25/01/2021 07:06, Phil Stacey via Eprints-tech wrote:
CAUTION: This e-mail originated outside the University of Southampton.
Using uncontrolled keywords field which has phrases separated by commas, like to index the whole phrase.

For example :-
evacuation lift, part b - fire safety, b5 access and facilities for the fire
service, fire risk assessment, residual risk, building safety, b4 external
fire spread, means of escape, principal works, health & safety strategy
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Question how do I configure xapian or indexing.pl to index the whole phrase instead of the individual terms for example fire, safety, or building

Best Regards,
Phil Stacey
building regulations guidance for fire safety<https://eur03.safelinks.protection.outlook.com/?url=https%3A%2F%2Feprints.buildvoc.co.uk%2F&amp;data=04%7C01%7Ceprints-tech%40ecs.soton.ac.uk%7Ce751f066be7145cf1cb608d8c169e5d4%7C4a5378f929f44d3ebe89669d03ada9d8%7C0%7C0%7C637472007855071557%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&amp;sdata=h3TMyXkmHOfHhH6wQ5YAVsk5wEgZvZqVdWIbr%2BjE98Q%3D&amp;reserved=0>



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