Data protection impact assessments related to redacting planning documents with large language models
Dear Croydon Borough Council,
I understand that the borough is researching the application of large language models to redact personal information from planning documents. I’m pleased to hear that the borough is using fake documents that do not include real information in the testing.
However, I’d like to see any data protection impact assessments the borough has conducted. If this method were applied to real documents including real personal information, where will the data be processed and how? What legal basis would the borough use to conduct this activity under data protection legislation?
It is good to see the borough experimenting safely, and it would be excellent to see these stories published in the open as it increases trust.
Yours faithfully,
Steve Messer
Information Team Croydon
Digital Services
Assistant Chief Executive Directorate
Bernard Wetherill House
7th Floor, Zone B
Croydon
CR0 1EA
Contact: Information Team
[email address]
Dear Steve Messer
Request FOI/10880
Further to your request received on 17/10/2024, I confirm that the Council
has now considered your request under the Freedom of Information Act
2000. Specifically, you have requested the following information:
"Dear Croydon Borough Council,
I understand that the borough is researching the application of large
language models to redact personal information from planning documents.
I'm pleased to hear that the borough is using fake documents that do not
include real information in the testing.
However, I'd like to see any data protection impact assessments the
borough has conducted. If this method were applied to real documents
including real personal information, where will the data be processed and
how? What legal basis would the borough use to conduct this activity under
data protection legislation?
It is good to see the borough experimenting safely, and it would be
excellent to see these stories published in the open as it increases
trust."
There are no DPIAs conducted and thus no information held to be provided.
The Council publishes Access to Information requests and responses on its
online Disclosure Log. (Any request included within this log will be
anonymised appropriately)
To view the Council’s Disclosure Log, please visit our website available
here:
[1]The Freedom of Information (FOI) Act | Croydon Council
(disclosure-log.co.uk)
If you are dissatisfied with the way the Council has handled your request
under the Freedom of Information Act, you may ask for an internal review.
This should be submitted to us within 40 working days of this response.
You can do this by outlining the details of your complaint by:
Email: [2][email address]
Writing: Information Team
London Borough of Croydon
Bernard Weatherill House
Floor 7 - Zone B
8 Mint Walk
Croydon, CR0 1EA
Any requests received after the 40 working day time limit will be
considered only at the discretion of the council.
If you are not content with the outcome of the internal review, you have
the right to apply directly to the Information Commissioner for a
decision. The Information Commissioner can be contacted at:
Information Commissioner’s Office
Wycliffe House
Water Lane
Wilmslow
Cheshire, SK9 5AF
Yours sincerely,
Information Team
Croydon Digital Services
Assistant Chief Executive Directorate
Bernard Wetherill House,
Mint Walk,
Croydon,
CR0 1EA
[3][email address]
References
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1. https://croydon.disclosure-log.co.uk/
2. mailto:[email%20address]
3. mailto:[email%20address]
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