Summarize the key points of the following text on different summarization techniques:

There are several summarization techniques that can be used to create concise and informative summaries from longer texts. One common approach is extractive summarization, which involves identifying and extracting the most important sentences or key phrases from the original text. This can be done using statistical methods, such as calculating the frequency of words or phrases, or using machine learning models trained on human-written summaries. Abstractive summarization, on the other hand, involves generating entirely new sentences that capture the main ideas of the text, often using natural language generation techniques. Topic modeling is another useful technique for summarization, which involves identifying the main topics or themes discussed in the text and generating summaries based on those topics. Graph-based methods, which represent the text as a graph of interconnected concepts and rank the most important ones, can also be effective for summarization.
Summarize the key points of the following text on different summarization techniques:

There are several summarization techniques that can be used to create concise and informative summaries from longer texts. One common approach is extractive summarization, which involves identifying and extracting the most important sentences or key phrases from the original text. This can be done using statistical methods, such as calculating the frequency of words or phrases, or using machine learning models trained on human-written summaries. Abstractive summarization, on the other hand, involves generating entirely new sentences that capture the main ideas of the text, often using natural language generation techniques. Topic modeling is another useful technique for summarization, which involves identifying the main topics or themes discussed in the text and generating summaries based on those topics. Graph-based methods, which represent the text as a graph of interconnected concepts and rank the most important ones, can also be effective for summarization.
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The key points on different summarization techniques are: 1) Extractive summarization identifies and extracts important sentences or phrases from the original text. 2) Abstractive summarization generates new sentences that capture the main ideas. 3) Topic modeling identifies main topics or themes and summarizes based on those. 4) Graph-based methods represent text as a graph and rank important concepts for summarization.
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Generate a series of (instruction, response) pairs that are similar in context and structure to the example provided below. Each pair should consist of a concise instruction followed by an appropriate, detailed response. The instruction should pose a clear task or question, while the response should provide a comprehensive answer or solution that could be understood by someone with a basic understanding of the subject.

Example pair: 
Instruction: What are the key points of this news article?


Apple once again posted an, until now, rare revenue decline in its latest fiscal quarter, but said its overall business improved from the December quarter and sales of its iPhones were solid.

The results reported Thursday were better than Wall Street’s muted expectations and Apple’s stock rose in after-hours trading.

The latest numbers come after the Cupertino, California, company in February posted its first quarterly revenue drop in nearly four years after pandemic-driven restrictions on its China factories curtailed sales of the latest iPhone during the holiday season.
Response: Apple announced a decline in revenue for its latest fiscal quarter. However, the results exceeded Wall Street's expectations.  Apple also had a quarterly revenue drop in February.

Your task is to generate more pairs that maintain this level of clarity and detail. The topic is Summarization. Write a long text of instruction by yourself, then summarize the given instruction in a response. Ensure that the responses are informative and accurate, suitable for an educational context. 

Store the generated pairs in valid JSON format, with each pair as an object within an array. Each object should have two key-value pairs: "instruction" and "response". For instance: 

{"contents": [{"instruction": "text", "response": "text"}, {"instruction": "text", "response": "text"}, ...]} 

Remember to maintain consistency in the format and ensure the generated pairs are diverse and cover a broad range of subjects. You must return the response in the asked format and you must not add any additional text in your response.
