Big Data Quality: From Content to Context

From Data Quality to Big Data Quality

This article investigates the evolution of data quality issues from traditional structured data managed in relational databases to Big Data. In particular, The paper examines the nature of the relationship between Data Quality and several research coordinates that are relevant in Big Data, such as the variety of data types, data sources and application domains, focusing on maps, semistructured ...

Perspectives of Big Data Quality in Smart Service Ecosystems (Quality of Design and Quality of Conformance)

Despite the increasing importance of data and information quality, current research related to Big Data quality is still limited. It is particularly unknown how to apply previous data quality models to Big Data. In this paper we review Big Data quality research from several perspectives and apply a known quality model with its elements of conformance to specification and design in the context o...

From Databases to Big Data

Failure to Launch: From Big Data to Big Decisions

Why velocity, variety and volume is not improving decision making and how to fix it

Integration of Content and Context Modalities for Multimedia Big Data Retrieval

of a dissertation at the University of Miami. Dissertation supervised by Professor Mei-Ling Shyu. No. of pages in text. (160) With the proliferation of digital photo-capture devices and the development of web technologies, the era of big data has arrived, which poses challenges to process and retrieve vast amounts of data with heterogeneous and diverse dimensionality. In the field of multimedia...

From Context to Content: Leveraging Context for Mobile Media Metadata

The recent popularity of mobile camera phones allows for new opportunities to gather important metadata at the point of capture. This paper describes and demonstrates a method for generating metadata for images using spatial, temporal, and social context. We describe a system we implemented for inferring location information for pictures taken with camera phones. We propose that leveraging cont...