in the paper a model to predict the concentrations of particulate matter pm10, pm2.5, so2, no, co and o3 for a chosen number of hours forward is proposed. the method requires historical data for a large number of points in time, particularly weather forecast data, actual weather data and pollution data. the idea is that by matching forecast data with similar forecast data in the historical data...

an examination of historical text and archaeological data show that mehrjanqadhaq was one of the important states of western iran which had been founded and formed in a region now known as darreshsher or more exactly in saimara valley. the history of the state goes back to parthian era. archaeological data in confirmation of historical texts both indicate settlement sequence form parthian era t...

one of important problems in supply chains management is supplier selection. in a company, there are massive data from various departments so that extracting knowledge from the company’s data is too complicated. many researchers have solved this problem by some methods like fuzzy set theory, goal programming, multi objective programming, the liner programming, mixed integer programming, analyti...