Toward big data and analytics governance: redefining structural governance mechanisms

Big Data as a Governance Mechanism

This study empirically investigates two effects of the availability of alternative data: stock price efficiency and its disciplining effect on managers’ actions. Recent advancements in cloud computing, data collection, and machine learning have enabled technology companies to collect real-time, granular indicators of fundamentals to be sold to investment professionals. These data include consum...

Ophidia: Toward Big Data Analytics for eScience

This work introduces Ophidia, a big data analytics research effort aiming at supporting the access, analysis and mining of scientific (n-dimensional array based) data. The Ophidia platform extends, in terms of both primitives and data types, current relational database system implementations (in particular MySQL) to enable efficient data analysis tasks on scientific array-based data. To enable ...

Forensic Accounting - Potenziale von Big Data und Predictive Analytics im Rahmen der IT Governance

Die Informationstechnik stellt ein wertvolles Instrumentarium für die Aufdeckung doloser Handlungen und die Prüfung von Regeleinhaltungen im Rechnungswesen bereit. Mit der exponentiellen Zunahme relevanter Daten für das Rechnungswesen, sowohl in strukturierter als auch wenig bis unstrukturierter Form, kommen bisherige Werkzeuge und Verfahren jedoch an ihre Grenzen in Bezug auf die Rechenzeit un...

Toward Optimal Environmental Governance

A Fuzzy TOPSIS Approach for Big Data Analytics Platform Selection

Big data sizes are constantly increasing. Big data analytics is where advanced analytic techniques are applied on big data sets. Analytics based on large data samples reveals and leverages business change. The popularity of big data analytics platforms, which are often available as open-source, has not remained unnoticed by big companies. Google uses MapReduce for PageRank and inverted indexes....