Browsing by Subject "Stock exchange"
Now showing items 1-4 of 4
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Bubble detection in Greek Stock Market: A DS-LPPLS model approach
(2022)Upfront bubble detection is one of the holy grails in Financial Markets. In the present paper, in order to archive this goal, we consider two different methods based on the Log Periodic Power Law. We implement this early ... -
Efficient big data analysis on a single machine using apache spark and self-organizing map libraries
(2017)Apache Spark is commonly used as a big data analytical platform on powerful computer clusters, as it primarily employ the main computer memory for the evaluation. Our attempt adds self-organizing map software libraries ... -
Fuzzy cognitive maps and multi-step gradient methods for prediction: Applications to electricity consumption and stock exchange returns
(2015)The paper focuses on the application of fuzzy cognitive map (FCM) with multi-step learning algorithms based on gradient method and Markov model of gradient for prediction tasks. Two datasets were selected for the implementation ... -
Project oriented organizational competences: The case of large construction companies listed in the Athens Stock Exchange
(2008)The organizational analysis is based on case studies that include all the large Greek construction companies currently listed in the Athens Stock Exchange (ASE). The case studies are built on information collected from the ...