Decision-making method using a visual approach for cluster analysis problems; indicative classification algorithms and grouping scope. - Ran M. Bittmann; Roy Gelbard (Expert Syst. J. Knowl. Eng., 2007)

Visualization of multi-algorithm clustering for better economic decisions - The case of car pricing. - Ran M. Bittmann; Roy Gelbard (Decis. Support Syst., 2009)

Cluster analysis using multi-algorithm voting in cross-cultural studies. - Roy Gelbard; Abraham Carmeli; Ran M. Bittmann; Simcha (Simi) Ronen (Expert Syst. Appl., 2009)

Toward a business model reference for interoperability services. - Boris Otto; Verena Ebner; Ehsan Baghi; Ran M. Bittmann (Comput. Ind., 2013)

Frequent Item-set Mining without Ubiquitous Items. - Ran M. Bittmann; Philippe Nemery; Xingtian Shi; Michael Kemelmakher; Mengjiao Wang (CoRR, 2018)

Sentiment analysis in organizational work: Towards an ontology of people analytics. - Roy Gelbard; Roni Ramon-Gonen; Abraham Carmeli; Ran M. Bittmann; Roman Talyansky (Expert Syst. J. Knowl. Eng., 2018)