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While AI has the potential of great value-add, it also generates many questions and concerns. Therefore, it is important to understand how we can build sufficient quality into AI systems, how the value of AI can be harnessed whilst ensuring the technologies remain safe, stays within the confines of what it is supposed to do, and remain within legal, ethical, and moral borders.
The test design and execution process with traditional software has typically been very linear. With a constantly evolving and learning AI systems it is quite non-linear, and there are many additional quality considerations that you would not commonly need to address when testing traditional software, including accountability, impartiality, and transparency.
An article in Forbes magazine suggests the following six elements need to be considered as part of the process of assuring quality in AI systems:
In addition to these six elements, there are many other aspects that might need to be included, depending on the individual context.
When testing AI systems, the training and testing data input phases are an important part of the initial process. In this training and teaching phase, testing and quality work is critical, and should take place well before the AI system is deployed into production.
Training data is provided to build the AI model – QE practices at this stage need to ensure that the data together with the algorithm will reach the results intended. During subsequent testing, QE practices again need to ensure a suitable range of representative data, both positive and negative, is utilised in testing.
Quality engineers need to carefully evaluate the training data set, and select the right testing data set, with the quality of both sets of data heavily impacting the quality of the output of each system. During this phase, it is critically important to evaluate and eliminate any potential biases, in both the data and within the resulting system behaviours, that you do not want the AI to demonstrate.
"Labelling" is a key concept when doing unsupervised training. This is where a user gives an expected answer to a question, so that when the AI tries to answer a question, it generates an answer then compares to the labelled answer and will correct itself.
This process is core to what model a Generative AI produces. All of this needs testing.
Despite rigorous training and testing phases, what happens in the real world, when the AI is exposed to the outside, might not have happened in the training and testing environment. Therefore, the continuous monitoring of the AI system is necessary to catch any behaviour anomalies in production.
When AI is implemented, it must be assured to always work reliably and responsibly, as the consequences of AI failure can be extensive. When quality is part of the process from the start and throughout the course of development and delivery, businesses can greatly reduce the risk of failure.
Given that company brands can be so heavily impacted by AI system failure, organisations must invest in delivering quality.
Want to know more about how the value of AI systems can be balanced against risk with built-in quality? Then download our complete e-book for further insights into how you can start delivering better quality AI systems faster.
As a Gartner analyst, Susanne owned the testing services Magic Quadrant for over 6 years, advising hundreds of CIOs, Application Leaders and Digital Transformation executives on software quality engineering related topics. At Planit, Susanne ensures our offering roadmap addresses current and future customer requirements, whilst incorporating emerging technologies and approaches.
Practice Director - Customer Insight & Advisory
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