We propose a Hawkish-Dovish (HD) indicator that measures the degree of 'hawkishness' or 'dovishness' of the media's perception of the ECB's tone at each press conference. We compare two methods to calculate the indicator: semantic orientation and Support Vector Machines text classification. We...

This paper finds the weekend effect to be a remarkably robust anomaly and refutes the widespread belief that the weekend effect is due to data-mining or a consequence of some unusual/rare events. Out-of-sample analysis finds both the mean and median return on Monday is lower than that on Friday...

The paper describes an empirical analysis to understand the main drivers of economic growth in the European Union (EU) regions in the past decade. The analysis maintains the traditional factors of growth used in the literature on regional growth - stage of development, population agglomeration,...

Durch den Einfluss der digitalen Transformation können Firmen umfangreiche Daten sammeln. Die Analyse dieser Daten kann Unternehmen helfen, wichtige Kundeninformationen zu gewinnen. Jedoch analysieren nur wenige Firmen ihre vorhandenen Daten, da ihnen die Kompetenzen hierzu fehlen. Darüber...

The stock market has always been an attractive area for researchers since no method has been found yet to predict the stock price behavior precisely. Due to its high rate of uncertainty and volatility, it carries a higher risk than any other investment area, thus the stock price behavior is...

Forecasting software vulnerabilities using time-series techniques / Baidyanath Biswas, IIM Lucknow -- Multivariate analysis : factor and discriminant analyses / MURAT YAZICI, Open Science Online -- Big data analytics in social media : an overview / Janani Balakumar, Bharathiar University,...

"This book explores what drives profitability and more successful customer relationship management. It looks the behavior of any classifier used to classify sentiments in product reviews. It also develops common expert system to classify and visualize the predicted result"--

Human capital management systems -- Human capital management system components -- Database systems, concepts and design -- Dimensional modeling -- Reporting and analytics with multidimensional and relational databases -- Online analytical processing and the OLAP cube multidimensional database --...

"'The data economy' is a term used by many, but properly understood by few. Even more so the concept of 'big data'. Both terms embody the notion of a digital world in which many transactions and data flows animate a virtual space. This is the unseen world in which technology has become the...

Big Data ist eines der spannendsten Mysterien der Gegenwart. Jeder redet davon, keiner weiß, wie es genau geht, alle geben vor, es zu tun – so hat es der Ökonom Dan Ariely mal formuliert. Dieser Kurzbericht gibt einen Überblick darüber, inwiefern Big-Data-Analysen in...

Background: Given the importance of customers as the most valuable assets of organizations, customer retention seems to be an essential, basic requirement for any organization. Banks are no exception to this rule. The competitive atmosphere within which electronic banking services are provided...

Logistics section is one of the most important industrial sections to contribute to European economy. To improving efficiency and energy efficient of logistics, European Commission call new research theme "smart, green and integrated transport" in its H2020 program. The paper presents a version...

Overview of the data mining process -- Data visualization -- Dimension reduction -- Evaluating predictive performance -- Multiple linear regression -- k-Nearest Neighbors (kNN) -- The Naive Bayes classifier -- Classification and regression trees -- Logistic regression -- Neural nets --...

Introduction -- Overview on ICT4D research -- Overview on framework of neoclassical growth accounting -- Overview on complex systems theory and chaos theory -- An overview on product cycle theory and product lifecycle model -- Overview on decision tree induction -- Overview on cluster analysis...

Data mining and big business -- The usefulness of data mining -- The disadvantages of data mining -- What the future holds -- Data mining timeline -- Glossary -- Further information -- Bibilography -- Index -- About the author