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How Meta invests in technology

AŽURIRANO 19. JAN 2022.

We invest in artificial intelligence to improve our ability to detect violating content and keep people safe. Whether it’s improving an existing system or introducing a new one, these investments help us automate decisions on content so we can respond faster and reduce mistakes.

Here are some of the investments we’ve made in AI technology to improve how our tools understand content:

We developed a new architecture called Linformer, which analyzes content on Facebook and Instagram in different regions around the world.
We built a new system called Reinforced Integrity Optimizer, which learns from online signals to improve our ability to detect hate speech.
We improved an image-matching tool called SimSearchNet, which helps our technology detect subtle distinctions in content so we can take action on misinformation.
We incorporated language tools called XLM and XLM-R, which help us build classifiers that understand the same concept in multiple languages. This means when our technology can learn in one language, it can improve its performance in others, which is particularly useful for languages that are less common on the internet.
We built a whole entity understanding system, which analyzes content to help determine whether it contains hate speech.

Leading the AI industry forward with open, collaborative efforts

The challenges of harmful content affect the entire tech industry and society at large. That’s why we open-source our technology to make it available for others to use. We believe being open and collaborative with the AI community will spur research and development, create new ways of detecting and preventing harmful content, and help keep people safe.

Here are some pieces of technology we’ve open-sourced in recent years, including 2 industry competitions we led:

XLM-R

XLM-R is a machine learning model that’s trained in one language and then used with other languages without additional training data. With people posting content in more than 160 languages on Meta technologies, XLM-R lets us use one model for many languages, instead of one model per language. This helps us more easily identify hate speech and other violating content across a wide range of languages and launch products in multiple languages at once. We open-sourced our models and code so the research community can improve the performance of their multilingual models.

Goal: To give people the best experience on our platforms, regardless of the language they speak.

Linformer

Linformer is a transformer architecture that analyzes billions of pieces of content on Facebook and Instagram in different regions around the world. Linformer helps detect hate speech and content that incites violence. We published our research and open-sourced the Linformer code so other researchers and engineers could improve their models.

Goal: To create a new AI model that learns from text, images and speech and efficiently detects hate speech, human trafficking, bullying and other forms of harmful content.

Deepfakes Detection Challenge

We created a competition with Microsoft, the Partnership on AI, and academics from several universities for technology that better detects when AI has been used to alter a video in order to mislead viewers. Our contribution to the Deepfakes Detection Challenge was commissioning a realistic data set, which the industry lacked, to help detect deepfakes.

Goal: To spur the industry to create new ways of detecting and preventing media manipulated with AI from being used to mislead people.

Hateful Memes Challenge

We created a competition with Getty Images and DrivenData to accelerate research on the problem of detecting hate speech that combines images and text. Our contribution to the Hateful Memes Challenge was creating a unique data set of over 10,000 examples so researchers could easily use them in their work.

Goal: To spur the industry to create new approaches and methods for detecting multimodal hate speech.