With individuals, organisations and Governments releasing large amounts of linked data, users have now access to an immense repository of highly structured data, ready to be queried and reasoned upon. However, it is important at this stage to ask questions like What do Linked Data users look for and how do they search for information? Understanding the information needs of users accessing such ...

I develop a matching model with heterogeneous workers, firms, and worker-firm matches, and apply it to longitudinal linked data on employers and employees. Workers vary in their marginal product when employed. Firms vary in their marginal product and cost of maintaining a vacancy. The marginal product of a worker-firm match also depends on a match-specific interaction between worker and firm th...

We describe some issues arising while using Europeana, and analyze some features of the Europeana Data Model (EDM), starting from the rationale of the project. Some aspects of the theoretical model, derived mostly from the mapping between the provided Cultural Heritage Object (CHO) and the EDM, prevent useful results in users’ queries. The concept of media type, the multilayer description and t...

Nowadays, governments and public agencies publish open data at an exponentially growing rate on dedicated portals. These open data sources provide semi-structured or unstructured data, because the focus is on publishing data and not on how they are later used. GovLOD is a platform that aims to transform the information found in these heterogeneous files in Linked Open Data using RDF triples.

Data generated by environmental research in Antarctica are essential in evaluating how its biodiversity and environment are affected by global-scale changes triggered by ever-increasing human activities. In this work, we describe BrAntIS, the Brazilian Information System on Antarctic Environmental Research, which enables the acquiring, storing, and querying of research data generated by the Bra...

In this paper is presented the semantic model defined for descriptive metadata of resources, managed by the Sapienza Digital Library. The semantic model is derived from the Metadata Object Descriptive Schema, a digital library descriptive standard, for library applications. The semantic model can be used as top level conceptual reference model, in order to support the implementation of semantic...

Multiple datasets that add high value to biomedical research have been exposed on the web as a part of the Life Sciences Linked Open Data (LSLOD) Cloud. The ability to easily navigate through these datasets is crucial for personalized medicine and the improvement of drug discovery process. However, navigating these multiple datasets is not trivial as most of these are only available as isolated...

Record linkage, or exact matching, can be used to join together two files that contain information on the same individuals, but lack unique personal identification codes. The possibility of errors in linkage causes problems for estimating the relationships between variables on the two files. The effect is analogous to the impact of measurement error. A model of a linear regression relationship ...

Linked data and Semantic Web technologies enable people to navigate across heterogeneous sources of data thus making it easier for them to explore and develop multiple perspectives for use in making decisions and solving problems. While the Semantic Web offers benefits for developers and users, several new challenges are emerging that may negatively impact users’ trust in Web-based collaborativ...

BACKGROUND The nonapeptide oxytocin (OT) has been repeatedly implicated in processes of parent-infant bonding in animal models; yet, its role in the development of human parenting has received less attention and no research has addressed the involvement of OT in the transition to fatherhood. METHODS Using a prospective longitudinal design, 160 cohabitating mothers and fathers and their firstb...