by Kleinberg (SIGMOD 2010 Keynode; kleinberg2010)
Kleinberg notes that to understand the dynamics of real-time information, we need on ways to
- reason about the flow of information between people in social networks and the mechanisms of social influence
- identify relevant text, references and phrases
- how word or topic clusters change over time [7,13,15,24,25] or
- how to track units of text over time.