テキストの要約と拡張

OpenAI API によるプロンプトエンジニアリング

Fouad Trad

Machine Learning Engineer

テキスト要約

テキストをより短い形式に要約します
業務プロセスを効率化します
- 金融 → 長文のレポートを要約します
- マーケティング → 顧客フィードバックをアクショナブルなインサイトに変換します
LLMは効果的なプロンプトを使ってテキストを要約できます

Image showing how summarization changes a pile of books into a document containing a summary.

効果的でないプロンプト

要約するテキストのみを指定する

text = "I recently purchased your XYZ Smart Watch and wanted to provide some feedback
based on my experience with the product. I must say that I'm impressed with the sleek design 
and build quality of the watch. It feels comfortable on the wrist and looks great with any 
outfit. The touchscreen is responsive and easy to navigate through the various features."


prompt = f"""Summarize the text delimited by triple backticks:
           ```{text}```"""
print(get_response(prompt))

The author purchased the XYZ Smart Watch and is impressed with its sleek design, build 
quality, and comfortable fit on the wrist. They find the touchscreen responsive and 
user-friendly for navigating the watch's features.

プロンプトの改善

出力制限
出力構造
要約の焦点

Image showing a person moving from a step to a higher one as a sign of improvement.

効果的なプロンプト：出力制限

文数、単語数、文字数を指定する

text = "I recently purchased your XYZ Smart Watch and wanted to provide some feedback
based on my experience with the product. I must say that I'm impressed with the sleek design 
and build quality of the watch. It feels comfortable on the wrist and looks great with any 
outfit. The touchscreen is responsive and easy to navigate through the various features."


prompt = f"""Summarize the text delimited by triple backticks in one sentence:
           ```{text}```"""
print(get_response(prompt))

The customer is impressed with the sleek design, build quality, comfort, and responsiveness 
of the XYZ Smart Watch's touch screen.

効果的なプロンプト：出力構造

出力構造を指定する

text = "I recently purchased your XYZ Smart Watch and wanted to provide some feedback
based on my experience with the product. I must say that I'm impressed with the sleek design 
and build quality of the watch. It feels comfortable on the wrist and looks great with any 
outfit. The touchscreen is responsive and easy to navigate through the various features."


prompt = f"""Summarize the text delimited by triple backticks, in at most three bullet points.
           ```{text}```"""
print(get_response(prompt))

- The XYZ Smart Watch has a sleek and impressive design with  excellent build quality.
- It feels comfortable on the wrist and complements any outfit.
- The touch screen is responsive and user-friendly for easy navigation through the features.

効果的なプロンプト：要約の焦点

モデルにテキストの特定の部分に焦点を当てるよう求める

text = "I recently purchased your XYZ Smart Watch and wanted to provide some feedback
based on my experience with the product. I must say that I'm impressed with the sleek design 
and build quality of the watch. It feels comfortable on the wrist and looks great with any 
outfit. The touchscreen is responsive and easy to navigate through the various features."


prompt = f"""Summarize the review delimited by triple backticks, in three sentences, 
focusing on the key features and user experience:
           ```{text}```"""
print(get_response(prompt))

効果的なプロンプト：要約の焦点

The customer purchased the XYZ Smart Watch and was impressed with its sleek design 
and build quality. 
They found it comfortable to wear and versatile enough to match any outfit. 
The touch screen was responsive and user-friendly, making it easy to navigate 
through the watch's features.

テキスト拡張

アイデアや箇条書きからテキストを生成します
効率と生産性を向上させる
LLMは、よく練られたプロンプトを使ってテキストを拡張できます

Image explaining that text expansion is about generating a full text based on some small ideas of requirements.

テキスト拡張用プロンプト

モデルに区切り記号で囲まれたテキストを拡張するよう求める
焦点を当てる側面を明確にする
出力要件を指定する（トーン、長さ、構成、対象読者）

Icon showing a pencil writing on a notebook.

サービス説明の拡張

service_description = """Service: Social XYZ
- Social Media Strategy Development
- Content Creation and Posting 
- Audience Engagement and Community Building
- Increased Brand Visibility
- Enhanced Customer Engagement
- Data-Driven Marketing Decisions"""

prompt = f"""Expand the description for the Social XYZ service delimited by triple 
backticks to provide an overview of its features and benefits, without bypassing 
the limit of two sentences. Use a professional tone.
```{service_description}```"""
print(get_response(prompt))

サービス説明の拡張

Social XYZ is a comprehensive social media service that offers strategic 
development, content creation, and posting to help businesses effectively engage 
with their target audience and build a strong online community. 

With a focus on increasing brand visibility and enhancing customer engagement, 
Social XYZ enables businesses to make data-driven marketing decisions for optimal 
results.

練習しましょう！

OpenAI API によるプロンプトエンジニアリング