This is the project repository for the course complex network.
#Ideas
##Network: Directed graph (questioners and answerers)
- Nodes: users
- Links: from questioners to answerers
- Weights: the frequency of answering questions (number of answers over time)
##Possible quesiotns (characteristics of this nework)
- bow tie structure(like web graph): percentage of people in in-group, out-group, core, tendril and tube? Is it balanced?
- Distribution of in-degree and out-degree. Is it balanced?
- Majority of people answer only one question, only a few answer a lot?
- Same pattern in out-degree?
- What's the characteristic of people with different degrees of knowledge? e.g. expertise often answer questions for newbies? Or expertise? Assortativity?
- Scores setting for expers, professionals, normal, learner and newbies
- Distribution
- characteristic? patterns of the questions asked by those people?