respond to these questions 2

IASP565 Social Media Enablement Technology and Security

Individual Mid-term Take Home Exam

Instruction:. Refer to class notes and internet. write down your reference source.

• Please list at least three social criteria that people can use them to categorize an internet application a Social Media application or not?
• Describe reasons (at least three) that we consider data generated by social media applications are big.
• Give a definition of social bots and describe their most notable characteristics. What are the main components in order to develop a social bot?
• What are main reasons people deploy social bots? What we can do about it?
• How can we keep data consistency in a shared database system?
• Describe the similarity and difference between relational database like mysql and graphic database like Neo4j. Describe at least three reasons of using graphic db in security data analysis that db may not be able to do.
• Describe CAP theory. What are the implications when it applies to social media data storage?
• MongoDB is one type of nosql databases. In MongoDB, a write operation is atomic on the level of a single document, even if the operation modifies multiple embedded documents within a single document. When a single write operation modifies multiple documents, the modification of each document is atomic, but the operation as a whole is not atomic and other operations may interleave. Since a single document can contain multiple embedded documents, single-document atomicity is sufficient for many practical use cases. For cases where a sequence of write operations must operate as if in a single transaction, you can implement a two-phase commit (2PC) in some application. Describe how this 2PC works.
• Describe the general process of extracting business value out of social media. It should be more detailed so that others can follow it through.
• In the class note, we talked about “Public Behavior Response Analysis in Disaster Events Utilizing Visual Analytics of Microblog Data” (https://www.researchgate.net/profile/Dennis_Thom). How can we expand the research methodology and results into the current covid-19 situation in that we can track infected movements? We can use various social data including phone data. For this question, It should have at least 400 words. Think about it is like a project proposal.

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