Generation of test cases for simple prolog programs. - Pekka Kilpeläinen; Heikki Mannila (Acta Cybern., 1990)

The Tree Inclusion Problem. - Pekka Kilpeläinen; Heikki Mannila (TAPSOFT, Vol.1, 1991)

Grammatical Tree Matching. - Pekka Kilpeläinen; Heikki Mannila (CPM, 1992)

Retrieval from Hierarchical Texts by Partial Patterns. - Pekka Kilpeläinen; Heikki Mannila (SIGIR, 1993)

Text / Relational Database Management Systems: Harmonizing SQL and SGML. - G. Elizabeth Blake; Mariano P. Consens; Pekka Kilpeläinen; Per-Åke Larson; T. Snider; Frank Wm. Tompa (ADB, 1994)

Query Primitives for Tree-Structured Data. - Pekka Kilpeläinen; Heikki Mannila (CPM, 1994)

MDL learning of unions of simple pattern languages from positive examples. - Pekka Kilpeläinen; Heikki Mannila; Esko Ukkonen (EuroCOLT, 1995)

Recognizing Renamable Generalized Propositional Horn Formulas Is NP-complete. - Thomas Eiter; Pekka Kilpeläinen; Heikki Mannila (Discret. Appl. Math., 1995)

Ordered and Unordered Tree Inclusion. - Pekka Kilpeläinen; Heikki Mannila (SIAM J. Comput., 1995)

SGML and Exceptions. - Pekka Kilpeläinen; Derick Wood (PODP, 1996)

Assembling Documents from Digital Libraries. - Helena Ahonen; Barbara Heikkinen; Oskari Heinonen; Pekka Kilpeläinen (DEXA, 1997)

Design and Implementation of a Document Assembly Workbench. - Helena Ahonen; Barbara Heikkinen; Oskari Heinonen; Jani Jaakkola; Pekka Kilpeläinen; Greger Lindén (EP, 1998)

SGML & XML Content Models. - Pekka Kilpeläinen (Markup Lang., 1999)

SGML and XML Document Grammars and Exceptions. - Pekka Kilpeläinen; Derick Wood (Inf. Comput., 2001)

Regular Expressions with Numerical Occurrence Indicators - preliminary results. - Pekka Kilpeläinen; Rauno Tuhkanen (SPLST, 2003)

Towards efficient implementation of XML schema content models. - Pekka Kilpeläinen; Rauno Tuhkanen (ACM Symposium on Document Engineering, 2004)

One-unambiguity of regular expressions with numeric occurrence indicators. - Pekka Kilpeläinen; Rauno Tuhkanen (Inf. Comput., 2007)

Efficient implementation of Aho-Corasick pattern matching automata using Unicode. - Janne Nieminen; Pekka Kilpeläinen (Softw. Pract. Exp., 2007)

Wireless Sensor Networks for infrastructure and industrial monitoring applications. - Jukka Koskinen; Pekka Kilpeläinen; Jari Rehu; Pirkka Tukeva; Mikko Sallinen (ICTC, 2010)

Do all roads lead to Rome? (Or reductions for dummy travelers). - Pekka Kilpeläinen (Comput. Sci. Educ., 2010)

Inclusion of Unambiguous RE#s is NP-Hard - Pekka Kilpeläinen (CoRR, 2011)

Checking determinism of XML Schema content models in optimal time. - Pekka Kilpeläinen (Inf. Syst., 2011)

Using XQuery for problem solving. - Pekka Kilpeläinen (Softw. Pract. Exp., 2012)

Practically efficient array initialization. - Kimmo Fredriksson; Pekka Kilpeläinen (Softw. Pract. Exp., 2016)

The IMOCO4.E reference framework for intelligent motion control systems. - Sajid Mohamed; Gijs van der Veen; Hans Kuppens; Matias Vierimaa; Tassos Kanellos; Henry Stoutjesdijk; Riccardo Masiero; Kalle Määttä; Jan Wytze van der Weit; Gabriel Ribeiro; Ansgar Bergmann; Davide Colombo; et al. (ETFA, 2023)