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Home National Education

Research teams in Queen’s University Belfast and IIT-M develops tech to make Artificial Intelligence Fairer

Companies often use AI technologies to sift through huge amounts of data in situations such as an oversubscribed job vacancy or in policing when there is a large volume of CCTV data linked to a crime

by NavJeevan
5 years ago
in Education, Science and Technology, Youth
Reading Time: 3 mins read
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Research teams in Queen’s University Belfast and IIT-M develops tech to make Artificial Intelligence Fairer

A view of Queen's University, Belfast. NE PHOTO

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NE SCIENCE & TECHNOLOGY BUREAU
BELFAST/CHENNAI, JAN 29

A team of research in Indian Institute of Technology Madras are partnering in the international research project led by the Queen’s University Belfast Researcher in U.K. who has developed an innovative new algorithm to make Artificial Intelligence (AI) fairer and less biased while processing data.

Dr. Deepak Padmanabhan, Researcher at Queen’s University Belfast and Adjunct Faculty Member at IIT Madras, has been leading an international project, working with Ms. Savitha Abraham and Ms. Sowmya Sundaram, PhD Students, Department of Computer Science and Engineering, IIT Madras, to tackle the discrimination problem within clustering algorithms.

Dr. Deepak Padmanabhan, Researcher at Queen’s University Belfast and Adjunct Faculty Member at IIT Madras. NE PHOTO

AI sorts through huge volume of data, grouping it

Companies often use AI technologies to sift through huge amounts of data in situations such where they receive overwhelming response for job advertisements or in policing when there is a large volume of CCTV data linked to a crime.

AI sorts through the data, grouping it to form a manageable number of clusters, which are groups of data with common characteristics. It is then much easier for an organisation to analyse manually and either shortlist or rejects the entire group. However, while AI can save on time, the process is often biased in terms of race, gender, age, religion and country of origin.

Clustering Algorithms

Elaborating on this research, Dr. Deepak Padmanabhan said, “AI techniques for exploratory data analysis, known as ‘clustering algorithms’, are often criticised as being biased in terms of ‘sensitive attributes’ such as race, gender, age, religion and country of origin. It is important that AI techniques be fair while aiding short listing decisions, to ensure that they are not discriminatory on such attributes.”

It has been reported that white-sounding names received 50 per cent more call-backs than those with black-sounding names. Studies also suggest that call-back rates tend to fall substantially for workers in their 40s and beyond. Another discriminatory trend is the ‘motherhood penalty’, where working mothers are disadvantaged in the job market while working fathers do better, in what is known as the ‘fatherhood bonus’.

When a company is faced with a process that involves lots of data, it is impossible to manually sift through this. Clustering is a common process to use in processes such as recruitment where there are thousands of applications submitted. While this may cut back on time in terms of sifting through large numbers of applications, there is a big catch. It is often observed that this clustering process exacerbates workplace discrimination by producing clusters that are highly skewed.

Over the last few years ‘fair clustering’ techniques have been developed and these prevent bias in a single chosen attribute, such as gender. The research team has now developed a method that, for the first time, can achieve fairness in many attributes.

Speaking about this research, Ms. Savitha Abraham, PhD Student, Department of Computer Science and Engineering, IIT Madras, said, “Fairness in AI techniques is of significance in developing countries such as India. These countries experience drastic social and economic disparities and these are reflected in the data.”

Ms. Savitha Abraham, PhD Student, Department of Computer Science and Engineering, IIT Madras. NE PHOTO

Ms. Savitha Abraham added, “employing AI techniques directly on raw data results in biased insights, which influence public policy and this could amplify existing disparities. The uptake of fairer AI methods is critical, especially in the public sector, when it comes to such scenarios.”

Highlighting the potential impact of this research, Dr. Padmanabhan said, “Our fair clustering algorithm, called ‘FairKM,’ can be invoked with any number of specified sensitive attributes, leading to a much fairer process. In a way, FairKM takes a significant step towards algorithms assuming the role of ensuring fairness in shortlisting, especially in terms of human resources. With a fairer process in place, the selection committees can focus on other core job-related criteria.”

Dr. Padmanabhan added, “FairKM can be applied across a number of data scenarios where AI is being used to aid decision making, such as pro-active policing for crime prevention and detection of suspicious activities. This, we believe, marks a significant step forward towards building fair machine learning algorithms that can deal with the demands of our modern democratic society.”

The research work will be presented in Copenhagen in April 2020 at the EDBT 2020 conference, which is renowned for data science research.

 

Tags: artificialdevelopfaireriit-mintelligencejointlyqueensuniv
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