extended UDDI registry: Devis Bianchini, Valeria De Antonellis, Barbara Pernici, Pierluigi Plebani, Ontology-based methodology for e-service discovery, Information Systems 31 (2006) 361–380
service adaptation mechanisms: Valeria De Antonellis, Michele Melchiori, Luca De Santis, Massimo Mecella, Enrico Mussi, Barbara Pernici and Pierluigi Plebani, A layered architecture for flexible Web service invocation, Softw. Pract. Exper. 2006; 36:191–223
process optimization: Danilo Ardagna and Barbara Pernici, Adaptive Service Composition in Flexible Processes, IEEE TSE, 33(7), July 2007