March 30, 2017

Tracking The Tones of Media Coverage

We already know that the tone of media coverage influences people’s attitudes and opinions. But is that influence conditional? Amber Boydstun, an associate professor of political science at the University of California, Davis, addressed this question at last Thursday’s Text as Data seminar titled The Conditional Effects of Media Tone on Public Opinion: The Case […]

March 28, 2017

Improving Stress Tests on Financial Portfolios

Although financial agencies and financial instruments vary, they are underpinned by the same risk management methodology: estimate the worst-case hypotheticals to hedge against financial upheavals. Value at Risk (VaR), one quantitative risk management strategy that emerged as a solid method following the 1987 stock market crash, was heavily trusted prior to the 2008 financial crisis […]

March 27, 2017

Creating Synthetic Languages

Why is “unbreakable” such a special word for linguists? Unbeknownst to the general public, the word is actually composed of three smaller units that linguists call morphemes. Referring to the smallest meaningful grammatical unit of a language, the three morphemes in ‘unbreakable’ are ‘un’ , ‘break’, and ‘able’. Studying the underlying morpheme structures within a […]

March 24, 2017

Using AI To Generate Images

There currently exist two main approaches to generating images using artificial intelligence: Generative Adversarial Networks (GAN) and Variational Autoencoding (VAE). GAN pits two neural networks against one another in order to improve their generation of photorealistic images. In GAN, there is a generator which produces fake images, and a discriminator, which differentiates the fake images […]

March 22, 2017

Say Hello to Nematus, A New Toolkit for Neural Machine Translation

Just last week, CDS Professor Kyunghyun Cho and an international group of his colleagues* released Nematus, an exciting toolkit for Neural Machine Translation (NMT). Funded by the European Union’s Horizon 2020 research and innovation programme, Nematus performs neural machine translation using an encoder-decoder model, an approach that replaces traditional ‘phrase based’ translation and has become […]