Introduction: This article is part of a Focus Theme of Methods of Information in Medicine on
Health Record Banking. Background: Healthcare is often ineffective and costs are steadily …

Since the boom in new proposals on techniques for efficient querying of XML data is now
over and the research world has shifted its attention toward new types of data formats, we …

Much research attention has been given to delivering high-performance systems that are
capable of complex event processing (CEP) in a wide range of applications. However, many …

Context: OpenStreetMap represents a collaborative effort of many different and unrelated
users to create a free map of the world. Although contributors follow some general …

Enterprises across all industries increasingly depend on decision guidance systems to
facilitate decision-making across all lines of business. Despite significant technological …

In the context of the emergent Web of Data, a large number of organizations, institutes and
companies (eg, DBpedia, Data. gov, GeoNames, PubMed) adopt the Linked Data practices …

We present a metamorphic testing approach to validate the information included in
OpenStreetMap, a collaborative effort to produce a free map of the world. We focus on the …

Abstract In recent years, Open Street Map (OSM) has evolved into a highly popular
geospatial system. The key of success of OSM is that OSM is open to absolutely everyone …

Metamorphic testing (MT) is a useful tool to test systems where an oracle is not available. MT
relies on the definition of metamorphic relations (MR), that is, certain properties that relate a …

While Complex Event Processing (CEP) constitutes a considerable portion of the so-called
Big Data analytics, current CEP systems can only process data having a simple structure …