Title	Apply clustering to analyze categorical data in longitudinal studies
Author	Mohammad Mahdi Hassan, Martin Blom, Gufran Ahmad Ansari
Citation	Vol. 19  No. 4  pp. 10-19
Keywords	Empirical Survey, Longitudinal Study, Clustering, Partitioning, Grouping, Data Mining, Expert Opinion, Diversity.

Title	Deconstructing Opinion Survey: A Case Study
Author	Entesar Alanazi
Citation	Vol. 21  No. 4  pp. 52-58
Keywords	Longitudinal Studies, Clustering, Opinion Diversity, Expert Opinion, Survey Opinion

Title	Deconstructing Agile Survey to Identify Agile Skeptics
Author	Entesar Alanazi, and Mohammad Mahdi Hassan
Citation	Vol. 24  No. 3  pp. 201-210
Keywords	Longitudinal Studies, Clustering, Opinion Diversity, Agile skeptics, Expert Opinion.