1. A semantic-based acquisition study on Hong Kong stock market movement. In: Proc 5th World Multiconference on Systemics, Cybernetics and Informatics, SCI 2001, Orlando, Florida, July 22-25, 2001, vol VIII; 2001.
2. Semantic expectation-based causation knowledge extraction: A study on Hong Kong stock market movement analysis. In: Proc 5th Pacific-Asia Conference on Knowledge Discovery and Data Mining, PAKDD 2001, Hong Kong, April 16-18, 2001. pp 114-123.
3. Extracting causation knowledge from natural language texts. In: Proc 6th Pacific-Asia Conference on Knowledge Discovery and Data Mining, PAKDD 2002, Taipei, Taiwan, May 6-8, 2002. pp 555-561.
4. TOWARD A NATURAL LANGUAGE-BASED CAUSAL MODEL ACQUISITION SYSTEM
5. Deep domain models for discourse analysis. In: The annual AI systems in government conference. Silver Spring, MD: IEEE Computer Society; 1989. pp 195-200.