Before you request web scraping services you have to know what are your needs (what data you need, structure of it and where you can find this data).
Step 1: Define what data you need?
Data needs depending on purpose, if you want to find new customers you probably need contact data from players in your industry. Also if you want to study your competitors you need to define who are they. Only after that you can select data sources (websites feeds or other electronic sources) for this extraction.
In many cases for discovering and defining data sources are used search engines like Google, Bing, Yahoo, and others.
Step 2: Structure of data
Data structure it’s directly linked to usage purpose. In many cases data structure it’s a table where a row represents an entity and a cell of this row represents a property of this entity. In other cases Data structure is a a chart or another graphic representation builder with data extracted from a web source.
Step 3: Number of data extraction
In many cases is needed one time data extraction. In other cases when you need a regular report, are needed periodically extractions.
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