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Multilingual AI analytics are key to unlocking the power of CX for business growth

iStock 1321779943 - Global Banking | Finance

205 - Global Banking | FinanceBy Michalis Michael, CEO of DMR

Text analytics is a powerful discipline, capable of finding and annotating every example of customer opinion – irrespective of the customer’s language.

To British executives who are waking up to the enormous quantities of unstructured data (UD) that surround their businesses, the language-agnostic possibilities of AI for text analytics are a vital (but easily overlooked) piece of the puzzle.

After all, UD – data which isn’t structured in a format like a spreadsheet, and which is found across all kinds of social media, blogs, website comments, call centre calls, private chats, and so on – represents a huge resource for companies interested in improving customer experience (CX).

The fact that most data is unstructured – MIT estimates that 80-90 per cent of data is UD, though the reality is probably higher and certainly growing – means that all customer opinions are available to those businesses who invest in the tech and expertise to collate and analyse that data.

This is the defining quality of AI for text analytics: it is universal. This leads to unprecedented access to the thoughts, views, and minds of every customer who’s ever made a comment about a brand on any platform. It leads to an accurate and quick discovery of the customer pain points that are priority to solve, thus reducing customer churn.

Given this universality – this source-agnostic approach to analytics – it’s all the more essential to recognise the value of language agnosticism. To limit analysis and annotation solely to English-speaking opinions – when others exist – is to undermine UD’s enormity and the universal nature of this kind of text analytics.

Consequently, it’s worth understanding how multilingual AI analytics works – and its potential for gathering a comprehensive overview of customer opinion.

The power of natural language processing

The basis for AI-powered text analytics is a combination of machine learning (ML) and natural language processing (NLP).

ML is the way to produce AI designed to mimic human learning. While conventional programming requires the implementation of rules created by humans, ML uses data analysis to learn hugely complex patterns that can be used to infer – making ML powerfully adept at solving problems and performing complex tasks.

NLP, meanwhile, pertains to processing language – in fact, it can be understood as one of the complex tasks that ML supports.

The uses for NLP in this context are many and varied. It can be used for simpler goals, like working out how often a given term or word appears in a text. Alternatively, it can take on the tougher challenge of determining the sentiment – or even emotion – of a given piece of text.

Obviously, both the former and the latter have great utility for businesses who want a detailed understanding of all available customer opinion.

These uses of NLP allow companies to assess enormous quantities of data to discover how often their brand is being talked about online or offline – and whether it’s being perceived positively, negatively, or in relation to a range of more nuanced sentiments.

Multilingual methods

Crucially, as mentioned above, the power of this approach rests in its capacity to encompass all customer opinion – text analytics work with every opinion, rather than a sample or selection.

In order to realise this goal, however, you can’t limit the language in which a given opinion is expressed – you need your AI to be entirely language agnostic, especially if you are a multinational organisation.

We achieve this by using both unsupervised and supervised ML. Supervised ML means that the algorithms involved are ‘trained’ by human beings who annotate training data, allowing the AI to do a much better job than humans when it comes to narrow tasks involving large quantities of data – also known as Big Data.

To ensure that all languages are catered for, we make use of a network of some 300 native speakers of various languages who read, understand, and manually annotate unstructured data – establishing, for example, whether a given Tweet is positive or negative, its topic, the presence of sarcasm, or even the customer journey stage implied by the content of an email or chat message thread.

Once an AI has been trained in the native language (without translating into English and using an ML model for English) to very accurately achieve its goals – whether to establish sentiment or identify the presence of a topic – the results can be easily visualised in English, unlocking the accumulated opinions of all customers for CX professionals, retention managers, and so on in a language they can understand.

On top of this, AI precision can continuously increase. Precision can be measured when a small sample of tweets, for example, are annotated by a human with a certain sentiment. We’re seeing 80-90 per cent or more match the algorithm, irrespective of the language in which the tweets were written.

Bearing in mind the subjective nature of expressing sentiment, this demonstrates just how formidable these AI techniques have become.

Finding needles in an unstructured data haystack

I began this piece by pointing out that UD is everywhere, and that it represents an opportunity to get a sense of all customer opinion – as opposed to polls and surveys which, by definition, can only provide customer opinion based on a sample.

In order to truly achieve this unlimited degree of access into consumer opinion, however, multinational companies don’t just need to engage AI experts and their tech for the English language – they also need to make sure their AI is trained on data across all pertinent languages with the same high precision as for English.

In so doing, text analytics become not only source agnostic, but language agnostic too – allowing business leaders to confidently assert that their understanding of their customers’ views, pain points, and gain points is detailed, precise, and unprecedentedly comprehensive.

Global Banking & Finance Review


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