Tourism is a significant branch of many world economies. Many factors influence the volume of tourist traffic and the prices of trips. There are factors that clearly affect tourism, such as COVID-19. The paper describes the methods of machine learning and process mining that allow for assessing the impact of various factors (micro, mezzo and macro) on the prices of tourist offers. The methods were used on large sets of real data...

Exchange of documents as email attachments in collaborative decision making lacks support for keeping track ofthreads of performed activities, which often leads to email overload and strain. A proactive document email attach-ment linking the passive content and active services could build reproducibility in collaborative processes, even ifworkers may tend to exchange emails indiscriminately. The key role in achieving this is...

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