AI Education Curriculum for Junior Secondary Schools in Hong Kong (PDF)
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This document is a chapter from an AI education curriculum for junior secondary schools in Hong Kong. It introduces the concept of Natural Language Processing (NLP) and explores its applications in daily life. It also addresses the challenges of NLP such as ambiguity.
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AI Education Curriculum for Junior Secondary Schools in Hong Kong TEACHER VERSION AI Education Curriculum for Junior Secondary Schools in Hong Kong RESOURCES Chapter 6...
AI Education Curriculum for Junior Secondary Schools in Hong Kong TEACHER VERSION AI Education Curriculum for Junior Secondary Schools in Hong Kong RESOURCES Chapter 6 Read Contents 6.1 6-2 6.1.1 What is natural language processing (NLP)? 15 6-3 6.1.2 NLP in real-life applications 30 6-4 6.2 6-8 6.2.1 Challenges of NLP – ambiguity 25 6-9 6.2.2 Natural language understanding (NLU) 20 6-11 6.3 6-17 6.3.1 Justice and fairness, beneficence, responsibility 45 6-18 and privacy issues Chapter 6: Read 6.1 Learning Objectives At the end of a long school holiday... 1 2 I have so many reading assignments AI Dog, I have so many holiday but not enough time to read them all. assignments that I haven’t finished yet. I wish I could go back in time! Actually, you can use a text Don’t look at me, I’m summarisation tool. It’s an AI not a magician. I can’t technology that uses natural send you back to the language processing (NLP) to past. automatically generate synopses of long texts. Later that day, Kelly has completed all 3 4 her assignments. That’s great! Quick, tell me how NLP is such a powerful tool. to use it. Mum, can you tell me more about it? Sure, I can explain NLP to you. 6-2 AI Education Curriculum for Junior Secondary Schools in Hong Kong 6.1.1 What is natural language processing (NLP)? 15 BASIC Optional VIDEO ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ 6-3 Chapter 6: Read 6.1.2 NLP in real-life applications 30 BASIC WEBSITE WEBSITE WEBSITE WEBSITE WEBSITE 6-4 AI Education Curriculum for Junior Secondary Schools in Hong Kong WEBSITE WEBSITE VIDEO WEBSITE WEBSITE VIDEO 6-5 Chapter 6: Read Optional ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ Optional ARTICLE 6-6 AI Education Curriculum for Junior Secondary Schools in Hong Kong 1 2 Yes, and its uses are still Mum, after listening to your growing. It’s good for your explanation, I realise just how generation to get familiar with many NLP applications we use NLP as soon as possible. in our daily lives. I would love to learn more about it. 6-7 Chapter 6: Read 6.2 Learning Objectives Kelly and her family go to a Chinese restaurant for morning tea. Kelly and her Dad arrive first to reserve a table. When they sit down, the waitress asks what kind of tea they want to drink. 1 2 Later on, the waitress gives them a tea pot with (a kind of tea). ? ? 3 4 This is actually good for telling you about What happened, ambiguities in human Dad? language. ? ? 6-8 AI Education Curriculum for Junior Secondary Schools in Hong Kong 6.2.1 Challenges of NLP – ambiguity 25 BASIC ★ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ 小陳剛剛倒了杯水。 ______________________________________________________________________ ______________________________________________________________________ 6-9 Chapter 6: Read ★ ______________________________________________________________________ ______________________________________________________________________ 香港人口多。 ______________________________________________________________________ ______________________________________________________________________ ★ ______________________________________________________________________ ______________________________________________________________________ 在三國演義中，曹操殺了呂伯奢，是為了一句 「縛而殺之，何如？」 ______________________________________________________________________ ______________________________________________________________________ 小紅拉著姐姐的手說，她今天很開心。 ______________________________________________________________________ ______________________________________________________________________ 6-10 AI Education Curriculum for Junior Secondary Schools in Hong Kong Optional ______________________________________________________________________ ______________________________________________________________________ 6.2.2 Natural language understanding (NLU) 20 BASIC Input: words or sentences or paragraphs Output: meaningful labels 6-11 Chapter 6: Read ‘The spaghetti at Cucina is delicious.’ Sentiment Examples Positive Delicious Love Neutral Ok Not bad Negative Not fresh Poor 6-12 AI Education Curriculum for Junior Secondary Schools in Hong Kong Review: ‘I love the software but the price is expensive.’ Natural Language Understanding Model AI Object Sentiment software + Structured Information price - ★ Review: ‘The chicken soup is good, but the service is poor.’ Natural Language Understanding Model AI Object Sentiment chicken soup Structured Information service Object Sentiment Reason chicken soup service 6-13 Chapter 6: Read WEBSITE 6-14 AI Education Curriculum for Junior Secondary Schools in Hong Kong Optimise NLP model with optimised parameters 6-15 Chapter 6: Read 1 2 What I just told you are only the basics So much technical knowledge of NLP. There are many more advanced is involved in NLP! methods being used in different areas. For example, there are sequence models, attention mechanisms and transformers. Wow! That sounds challenging to learn, but it’s also really intriguing. I want to know more. 6-16 AI Education Curriculum for Junior Secondary Schools in Hong Kong 6.3 Learning Objectives 1 2 Hey, Brother, what How do you know are you doing? that? I’m talking to a chatbot. It’s amazing how well it knows me! Because the sport shoes it showed me are my favourites, and the digital games it suggested are exactly the ones I want. This chatbot is my best friend! 3 It’s because you allowed the AI 4 to collect your information at the To me, it sounds like a sneaky thief backend. That’s how it knows who keeps stealing your personal what you’re interested in. and private information! Oh … that sounds crazy. That’s true — so we need to pay more attention to protect our privacy. 6-17 Chapter 6: Read 45 BASIC 6.3.1 Justice and fairness, beneficence, responsibility and privacy issues ★ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ 6-18 AI Education Curriculum for Junior Secondary Schools in Hong Kong ★★ 6-19 Chapter 6: Read ★★ WEBSITE Item Value Disease Cancer Negative detection No heart murmur Narrative clinical records Structured records ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ 6-20 AI Education Curriculum for Junior Secondary Schools in Hong Kong ★★ ________________________________________________ ________________________________________________ ______________________________________________________________________ 6-21 Chapter 6: Read 1 2 Companies should be AI chatbot is helpful. It can provide socially responsible and customised information based on our maintain the ‘beneficence’ interests. However, the AI chatbot of their technologies. and the company behind it shouldn’t collect our personal information without our consent. That’s right. 3 4 Kelly, is there anything The Government and Legislative more you can do to protect Council should reinforce the laws your own privacy? protecting our privacy. Let me think about it … 6-22 AI Education Curriculum for Junior Secondary Schools in Hong Kong __________________ _______________________ _______________________ ________________________ _______________________________ Review: “The rooms of Capri Inn are excellent, and the food is delicious!” Natural Language Understanding (NLU) Model Object Sentiment Structured Rooms Information Delicious _____________________ _________________________ 6-23 Chapter 6: Read 6-24 AI Education Curriculum for Junior Secondary Schools in Hong Kong 校長說衣服上除了校徽別別別的 過幾天天天天氣不好 人生如此亦可樂, 工夫妙麗實奇絕。 智士死智罪莫雪, 能盡此心方有得。 6-25 Chapter 6: Read 基 哥 倒 杯水 香港人「口多」。 香港「人口」多。 之 曹操 她 小紅 6-26 AI Education Curriculum for Junior Secondary Schools in Hong Kong Object Sentiment Reason Chicken soup Positive The chicken soup is good. Service Negative The service is poor. Positive Usages Negative Usages To help editors generate different To publish fake news to fool the News generator news articles to choose from. public. To train the news generator and improve its results, so that Fake news detector To filter out fake news. humans are not able to detect fake news. 6-27 Chapter 6: Read 合適的人 火柴 比賽 校長說衣服上除了校徽別(不要)別(掛上)別(其他)的。 過幾天(之後的幾天)天天(每一天的)天氣不好。 6-28
