OWLS-MX: Hybrid OWL-S Service Matchmaking. - Matthias Klusch; Benedikt Fries; Mahboob Khalid; Katia P. Sycara (AAAI Fall Symposium: Agents and the Semantic Web, 2005)

Automated semantic web service discovery with OWLS-MX. - Matthias Klusch; Benedikt Fries; Katia P. Sycara (AAMAS, 2006)

Hybrid OWL-S Service Retrieval with OWLS-MX: Benefits and Pitfalls. - Matthias Klusch; Benedikt Fries (SMRR, 2007)

Hybrid Semantic Web Service Retrieval: A Case Study with OWLS-MX. - Matthias Klusch; Patrick Kapahnke; Benedikt Fries (ICSC, 2008)

OWLS-MX: A hybrid Semantic Web service matchmaker for OWL-S services. - Matthias Klusch; Benedikt Fries; Katia P. Sycara (J. Web Semant., 2009)