Other Methods in Finance 

ARIMA, Nearest Neighbors, Chaos and Other Methods in Finance
Chaos, Fuzzy Logic and Finance
Neurofuzzy technology
Hybrid Methods and Trading
Modeling Hidden Structure in Financial Markets (Hidden Markov Process)
Relations/Predicates for financial Numerical Data and Iindicators (under construction)
Game Theory to Create Winning Trading Strategies
Financial Optrimization
Reinforcement Learning for Trading Systems and Portfolios
Prediction of stock from textual data
Selected references from KDD'98 Conference
Fraud detection and bond market and banking
George H. John's Publications
Finance Publications [Steve Lawrence, NEC Research Institute]
Investment Expert System "RestrictedStock"
Stock guru charting and investment expert system