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VOA科学技术2022--专家:人类参与有助于防止人工智能错误

时间:2022-11-07 01:59来源:互联网 提供网友:nan   字体: [ ]
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Experts: Human Involvement Can Help Prevent AI Mistakes

Security experts say artificial intelligence (AI) systems used by businesses can make serious, costly1 mistakes. But one way to avoid such mistakes is for companies to employ humans to closely watch the AI.

One example of AI problems that can affect businesses happened early in the COVID-19 pandemic. It involved the credit scoring company Fair Isaac Corporation, which is known as FICO.

FICO is used by about two-thirds of the world's largest banks to help make lending decisions. The company's systems are also used to identify possible cases of credit fraud.

FICO officials recently told Reuters news agency that one of the company's AI systems misidentified a large number of credit card fraud cases. At the time, the pandemic had caused a large increase in online shopping. The AI tool considered the rise in online shopping to be the result of fraudulent activity.

As a result, the AI system told banks to deny millions of purchase attempts from online buyers. The incident happened just as people were hurrying to buy products that were in short supply in stores.

But FICO told Reuters that in the end, very few buyers had their purchase requests denied. This is because a group of experts the company employs to observe, or monitor, its AI systems recognized the false fraud identifications. The workers made temporary adjustments to avoid an AI-ordered block on spending.

FICO says the expert team is quickly informed about any unusual buying activity that the AI systems might misidentify.

But these kinds of corporate2 teams are not that common, Reuters reports. Last year, FICO and the business advisory3 company McKinsey & Company carried out separate studies on the subject. They found that most organizations involved in the study were not closely watching their AI-based programs.

Experts say AI systems mainly make mistakes when real-world situations differ from the situations used in creating the intelligence. In FICO's case, it said its software expected more in-person than online shopping. This led the system to identify a greater share of financial activity as problematic.

Seasonal4 differences, data-quality changes or extremely unusual events – such as the pandemic – can lead to a series of bad AI predictions.

Aleksander Madry is the director of the Center for Deployable5 Machine Learning at the Massachusetts Institute of Technology. He told Reuters the pandemic must have been a "wake-up call" for businesses not closely monitoring their AI systems. This is because AI mistakes can cause huge problems for businesses that do not effectively manage the systems.

"That's what really stops us currently from this dream of AI revolutionizing everything," Madry said.

Urgency has been added to the issue since the European Union plans to pass a new AI law as soon as next year. The law requires companies to do some observation of their AI systems. Earlier this month, the U.S. administration also proposed new guidelines aimed at protecting citizens from the harmful effects of AI. In the guidelines, U.S. officials called for observers to ensure AI system "performance does not fall below an acceptable level over time."

Words in This Story

artificial intelligence – n. the development of computer systems with the ability to perform work that normally requires human intelligence

lend – v. to give something to someone for a period of time with the expectation that they will then give it back later

fraud – n. the crime of using dishonest methods to take something valuable from another person; trickery; deceit

adjustment – n. a slight change made to something so that it works better

confuse – v. to make someone unable to think clearly or understand something

manage – v. to do something or deal with something successfully


点击收听单词发音收听单词发音  

1 costly 7zXxh     
adj.昂贵的,价值高的,豪华的
参考例句:
  • It must be very costly to keep up a house like this.维修这么一幢房子一定很昂贵。
  • This dictionary is very useful,only it is a bit costly.这本词典很有用,左不过贵了些。
2 corporate 7olzl     
adj.共同的,全体的;公司的,企业的
参考例句:
  • This is our corporate responsibility.这是我们共同的责任。
  • His corporate's life will be as short as a rabbit's tail.他的公司的寿命是兔子尾巴长不了。
3 advisory lKvyj     
adj.劝告的,忠告的,顾问的,提供咨询
参考例句:
  • I have worked in an advisory capacity with many hospitals.我曾在多家医院做过顾问工作。
  • He was appointed to the advisory committee last month.他上个月获任命为顾问委员会委员。
4 seasonal LZ1xE     
adj.季节的,季节性的
参考例句:
  • The town relies on the seasonal tourist industry for jobs.这个城镇依靠季节性旅游业提供就业机会。
  • The hors d'oeuvre is seasonal vegetables.餐前小吃是应时蔬菜。
5 deployable 248525f5e13374627ec8e2ee2b1bf603     
糟透的,可叹的,可悲的; 应受谴责的; 破旧的
参考例句:
  • Here you can add and remove deployable languages and retail products. 您可以在这儿添加和删除可部署语言和零售产品。
  • Deployable underwater Surveillance Systems-Analysis of Experimental Results. Part 3; Saclantcen rept. 可配置水下监视系统枣实验结果分析。第三部分。
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