The identification and use of properties and relationships between properties of the software development. - Rui Gustavo Crespo (COMPSAC, 1992)

Classificação e Selecção de Componentes em Projectos de Software. - Pedro Reis dos Santos; Rui Gustavo Crespo (QUATIC, 1998)

Matching Single-Sort Algebraic Specifications for Software Reuse. - Rui Gustavo Crespo (Int. J. Softw. Eng. Knowl. Eng., 1998)

Feature Execution Trees and Interactions. - Rui Gustavo Crespo; Luigi Logrippo; Tom Gray (PDPTA, 2002)

Integrating the Semantics of Deterministic Multi-layered Communication Systems. - Rui Gustavo Crespo (SFEDL@ETAPS, 2004)

Assessing software structure by entropy and information density. - Ana Isabel Cardoso; Rui Gustavo Crespo; Peter Kokol (ACM SIGSOFT Softw. Eng. Notes, 2004)

An Adviser for Efficiently Resolve Email Feature Interactions. - Fernando Miguel Carvalho; Rui Gustavo Crespo (AICT/ICIW, 2006)

Distributed resolution of feature interactions for internet applications. - Rui Gustavo Crespo; Miguel Carvalho; Luigi Logrippo (Comput. Networks, 2007)

Enhanced Chaotic Stream Cipher for WSNs. - Rui Miguel Soares Silva; Rui Gustavo Nunes Pereira Crespo; Mário Serafim dos Santos Nunes (ARES, 2010)

Predicting feature interactions by using inconsistency models. - Rui Gustavo Crespo (Comput. Networks, 2010)

Detecting and resolving email feature interactions through constraints. - Rui Gustavo Crespo (IET Softw., 2011)

Email FI identification and resolution with model checking. - André Vicente Calvinho; Rui Gustavo Crespo (J. Netw. Comput. Appl., 2011)