Please note: The algorithm descriptions in English have been automatically translated. Errors may have been introduced in this process. For the original descriptions, go to the Dutch version of the Algorithm Register.

Chatbot

KCC chatbot Zeister information assistant

Last change on 17th of February 2026, at 8:16 (CET) | Publication Standard 1.0
Publication category
Impactful algorithms
Impact assessment
DPIA
Status
In use

General information

Theme

Organisation and business operations

Begin date

01-2026

Contact information

zeist@zeist.nl

Link to publication website

www.zeist.nl

Responsible use

Goal and impact

The aim of our chatbot is to give citizens faster, 24/7 answers to their general questions. This relieves the staff on livechat, allowing them to focus on more complex tasks that require human intervention. The impact is improved service delivery and more efficient use of municipal resources.

Considerations

When developing our chatbot, the following considerations are made:

- Quality of answers compared to human employees

- Correctness and accuracy of the information given

- Ability to stay within the topic

- Compliance with municipal core values

- Privacy, security and transparency

A PRE Data Protection Impact Assessment (Pre-DPIA) is in place to ensure security.

Human intervention

In essence, our chatbot functions autonomously without direct human intervention. However, the chatbot's responses are closely monitored by municipal employees. Feedback from citizens after each chat conversation is used to continuously improve the system.

Risk management

Risk: A user of the chatbot may place personal data in the conversation with the chatbot.


Management measure:

  • We do not keep content data longer than necessary. We cannot distinguish within Watermelon between storing statistics (numbers, etc.) and content conversations. We choose to keep the data for 3 months. This gives employees enough time to monitor the content of calls.
  • We add a message to the chatbot that no personal data should be placed in the conversation. We also add this to the information page about the chatbot on the website.
  • Information on website about what we do with the data
  • Staff periodically check whether personal data is placed in conversations. Individual conversations containing personal data are deleted immediately. If it is found that personal data is shared with regularity, we will check whether additional management measures are needed.


Legal basis

Providing reliable government information on products and services of the Municipality of Zeist.

Elaboration on impact assessments

Chatbot is designed in such a way that the risk to the exercise of rights and freedoms by the data subject is classified as low.

Impact assessment

Pre-scan DPIA

Operations

Data

Our chatbot uses the following data sources:

  • Information from all municipal websites related to Zeist
  • Additional documents containing municipal information

External provider

watermelon.ai

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