big data

Mining conditional functional dependency rules on big data

Mining conditional functional dependency rules on big data

Abstract Current Conditional Functional Dependency (CFD) discovery algorithms always need a well-prepared training dataset. This condition makes them difficult to apply on large and low-quality datasets. To handle the volume […]

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A Survey on Spark Ecosystem: Big Data Processing Infrastructure, Machine Learning, and Applications

A Survey on Spark Ecosystem: Big Data Processing Infrastructure, Machine Learning, and Applications

Abstract With the explosive increase of big data, it is necessary to apply large-scale data processing systems to analyze Big Data. Arguably, Spark is state of the art in large-scale

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The Power of Message Networks: A Big-Data Analysis of the Network Agenda Setting Model and Issue Ownership

The Power of Message Networks: A Big-Data Analysis of the Network Agenda Setting Model and Issue Ownership

Abstract This article presents an empirical study that tests a new concept, “issue ownership network,” which is based on the network agenda setting (NAS) model and the theory of issue

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Social Media Big Data

Big Questions for Social Media Big Data: Representativeness, Validity and Other Methodological Pitfalls

Abstract: Large-scale databases of human activity in social media have captured scientific and policy attention, producing a flood of research and discussion. This paper considers methodological and conceptual challenges for

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