Alyona Medelyan PhD

Alyona has a PhD in NLP and Machine Learning. Her peer-reviewed articles have been cited by over 2600 academics. Her love of writing comes from years of PhD research.

Actionable insights: can data analysis software deliver them? Members Public

When it comes to making sense of data, getting actionable insights is the holy grail. But what does this even mean? When is a finding an insight? When is an insight actionable? Can data analysis deliver them? Let’s get to the bottom of this by looking at some examples.

Alyona Medelyan PhD
Alyona Medelyan PhD
AI & Tech
Woman conversing with a chatbot on a giant phone

8 natural language processing (NLP) examples you use every day Members Public

What is Natural Language Processing, or NLP in short? If you’re unsure, you’re not alone. Many people don’t know much about this fascinating technology, and yet we all use it daily. In fact, if you are reading this, you have used NLP today without realizing it. What

Alyona Medelyan PhD
Alyona Medelyan PhD
AI & Tech

Top 3 reasons why most NLP fails Members Public

Understanding customer comments, on a large scale, needs to be automated. So, it requires Natural Language Processing (NLP) or Text Analytics. Unfortunately, most open-source NLP tools were developed on text researchers have easy access to. These are typically news articles, research papers and movie reviews. I learned that the analysis

Alyona Medelyan PhD
Alyona Medelyan PhD
AI & Tech
4th annual CX management Asia summit logo

5 lessons from the Customer Experience Asia Summit Members Public

There were many reasons why I was looking forward to the Customer Experience Asia Summit in Singapore. And I won’t lie, one of them was the fact that it took place at the famous Marina Bay Sands! But apart from a spectacular view of the city while swimming in

Alyona Medelyan PhD
Alyona Medelyan PhD
AI & Tech
Young man working at his laptop

The rise and fall of open-ended questions Members Public

Recently I had an interesting discussion with Ron Stroeven, one the founders of Infotools, about open-enders, short for open-ended questions. Infotools was established in 1990, but Ron has worked in market research far longer than that. He has a wealth of experience in survey design and data analysis, so it

Alyona Medelyan PhD
Alyona Medelyan PhD
Customer Experience

Accuracy study - coding open-ended questions in a Net Promoter Score survey Members Public

Four students and several algorithms attempted to make sense of responses to open-ended questions in an NPS survey. How well did they do?

Alyona Medelyan PhD
Alyona Medelyan PhD
AI & Tech
Sentiment analysis graphic, with angry, neutral and happy faces

Key take-aways from sentiment analysis symposium 2016 Members Public

In July 2016, I was fortunate enough to speak at the Sentiment Analysis Symposium in New York. It is one of the most important events for those who invent text analytics solutions and for those who use them. I also attended the co-located sentiment analysis tutorial run by Jason Baldridge.

Alyona Medelyan PhD
Alyona Medelyan PhD
AI & Tech

Why most customer feedback analysis tools suck and how to fix this Members Public

They collect scores into pretty dashboards, but don’t actually tell what the feedback is or how to achieve customer loyalty. Customer feedback analysis tools are all the rage, but most of them suck. If you ever left a review yourself, you will know that your score is not nearly

Alyona Medelyan PhD
Alyona Medelyan PhD
Customer Experience

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