| 1988 | COLING | Locally governed trees and dependecy parsing. | Harri Jppinen, Eero Lassila, Aarno Lehtola |
| 1988 | ISMIS | Task Oriented Knowledge Representation Languages for NLP-Systems. | Aarno Lehtola, Timo Honkela, Heikki Hytyniemi, Harri Jppinen |
| 1987 | EACL | Declarative Nodel For Dependency Parsing - A View Into Blackboard Methodology. | K. Valkonen, Harri Jppinen, Aarno Lehtola, Matti Ylilammi |
| 1987 | IJCAI | Blackboard-based Dependency Parsing. | K. Valkonen, Harri Jppinen, Aarno Lehtola |
| 1986 | COLING | Functional Structures for Parsing Dependency Constraints. | Harri Jppinen, Aarno Lehtola, K. Valkonen |
| 1985 | EACL | Language-Based Environment For Natural Language Parsing. | Aarno Lehtola, Harri Jppinen, Esa Nelimarkka |
| 1984 | COLING | Two-Way Finite Automata And Dependency Grammar: A Parsing Method For Inflectional Free Word Order Languages. | Esa Nelimarkka, Harri Jppinen, Aarno Lehtola |
| 1984 | ECAI | Parsing an Inflectional Free Word Order Language with Two-Way Finite Automata. | Esa Nelimarkka, Harri Jppinen, Aarno Lehtola |
| 1983 | EACL | Knowledge Engineering Approach To Morphological Analysis. | Harri Jppinen, Aarno Lehtola, Esa Nelimarkka, Matti Ylilammi |