Keyphrases
- trading strategies
- investment strategies
- market data
- stock market
- ranking algorithm
- social interaction
- social networks
- decision making
- social media
- electronic commerce
- stock exchange
- electronic markets
- financial information
- portfolio optimization
- trading agents
- transaction costs
- financial markets
- ranking functions
- web search
- rank aggregation
- portfolio selection
- stock price
- link analysis
- test bed
- social networking
- social context
- portfolio management
- learning to rank