List of Articles uncertain data Open Access Article Abstract Page Full-Text 1 - Mining Frequent Patterns in Uncertain and Relational Data Streams using the Landmark Windows fatemeh Abdi Aliasghar Safaei Open Access Article Abstract Page Full-Text 2 - Measuring robust overall profit efficiency with uncertainty in input and output price vectors M.A. Raayatpanah N. Aghayia Open Access Article Abstract Page Full-Text 3 - Imprecise Data Envelopment Analysis (IDEA) and its use in evaluating the performance of organizations based on the EFQM model Ali Soltani Open Access Article Abstract Page Full-Text 4 - Robust DEA under discrete uncertain data: a case study of Iranian electricity distribution companies Ashkan Hafezalkotob Elham Haji-Sami Hashem Omrani