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Web Scraping

By: Simon Munzert & Dominic Nyhuis | Edited by: Paul Atkinson, Sara Delamont, Alexandru Cernat, Joseph W. Sakshaug & Richard A. Williams Published: 2020 | Length:   3 | DOI: |
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Web scraping describes a set of techniques that are used to automate the collection of data from the web. Manually collecting data takes considerable time and inevitably leads to errors. It is therefore often worthwhile to automate the collection of web data. This is the core of web scraping (also known as web harvesting or web crawling). Resources on a server are accessed by a computer program, and the unstructured information is transformed into a structured format—for example, a database. Using web scraping to access and structure information from online resources is particularly valuable when one plans to repeat the data collection periodically, when third parties need to be able to replicate the data collection process, or when the task is not trivial in scope ...

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