Explaining Explainable AI
Explaining Explainable AI
Ella Hafermalz and Marleen Huysman
KIN Center for Digital Innovation
Vrije Universiteit Amsterdam
When Google maps tells you to turn right in 200 metres, you don’t wonder ‘why’ it is giving you that instruction. The application has delivered you to your destination in the past, and there is no reason to assume it will not do so again. However, if an algorithmic system denies your bank loan, or rejects your job application, you are likely to want an explanation. Yet often, there is no clear answer available. Not even an engineer can ask a deep learning algorithm: why did you do that?
Today even algorithms ‘know more than they can tell’. There is increasing awareness that this algorithmic ‘opacity’ (Burrell, 2016) is problematic. So-called ‘black box’ algorithms that work via deep learning draw on large sets of data to create their own models of reality in a way that generates remarkably accurate predictions. These models, for example in the case of neural nets, become so complicated as they optimize themselves, that even the scientists ‘in charge’ cannot say exactly why the model can for example identify a picture of a cat with such high accuracy rates. Black box algorithms can conceal biases that emerge from training data, for example when Amazon was forced to abandon its talent selection algorithm because it learned from past hiring patterns to discriminate against female applicants (Dastin, 2018). There is also concern that these systems are given too much autonomy, especially as they cannot be questioned about their actions in the case of a mistake being made. An extreme example is autonomous weapons mistakenly firing on a civilian – can the validity of the action be assessed when it is not possible to interrogate the rationale that underpinned it (Russell et al., 2015, Schulzke, 2013)? Such scenarios are prompting a response from various communities, including regulators, ethicists, and computer scientists. All recognise that developments in Artificial Intelligence (AI) are unlikely to slow down, but that there is a need to ensure that these developments remain human-centric (Michal et al., 2009, Ohsawa and Tsumoto, 2006, Rosenberg, 2016), in line with social values, and to this end, explainable (Santiago and Escrig, 2017, Doran et al., 2017). While this conversation is multi-disciplinary, the work and organizational perspective is often missing from public discourse on how to make AI more responsible. This is surprising, given that organizations are a prime application context for new AI technologies (Faraj et al., 2018, Orlikowski, 2016, Lee, 2018).
In this discussion paper, we show that the notion of ‘explanation’ is emerging at the core of multi-disciplinary responses to the problem of opaque ‘black box’ deep learning algorithms (Burrell, 2016). We critically inspect this notion of explanation as it appears in a much-discussed EU Commission text – The Ethics Guidelines on “Trustworthy AI”, and in publicly available documents outlining a major research project funded by DARPA on “Explainable AI”. Through our initial analysis of these texts and surrounding discourses, we show firstly that there is an apparent disconnect between an ethically motivated understanding of Explainable AI and a technically motivated one.
In particular, we ask: Who is the user of an explanation in the context of AI at work, and how does this relation change the nature of what an explanation is? And, relatedly, what is or could be the purpose of an explanation in these contexts, and what transformations does varied purposes enact upon the nature of explanation? As these unresolved questions are identifiable as such from a relational and processual perspective, we wish to point to the possibility that scholars of work and organizing have to contribute productively to the explanation-driven response to ‘inscrutable’ AI (Introna, 2016).
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