Here, we should note that we can only access to the data when the objects are public, otherwise we should provide access token if the objects are defined as private. "message": "Unknown path components: /CONNECTION_TYPE", Not only the graffiti wall, but also all other Facebook objects can use the following URL structure to retrieve what they want. The data fields include the message ID, detailed info of data, author, author ID, and other kinds of info. JSON(JavaScript Object Notation) is one kind of data exchange format which is easy for users to handle, as well as easy for devices to analyze and generate. ,then the system will return the data results in JSON file. Take a Facebook example of Coca-Cola Corp., if users are intended to retrieve remarks posted on the graffiti wall, what they need to do is simply entering : It implies that Facebook calls functions by using remote methods, like HTTP, GET, POST to send messages and echo back REST service. Talking about this Facebook API which is known as Graph API, it is one kind of interface with REST (Representational State Transfer), which is based on the network architecture. This website has provided many simple and easy-to-grasp methods with detailed guidelines for users to learn and access to its resource. Without doubt, data mining which serves as a basis tier crossing the whole data process is of paramount importance.įacebook also has provided a serving website allowing those developers to access its data since data enthusiasts express such intense interest in the data from Facebook. The crawled or scraped data will be valuable and constructive for commercial, scientific, and many other fields of prediction and analysis, especially when these data are processed deeply, like data purge and machine learning. Mining data from Facebook has been quite popular and useful in the past few years.
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