The Open Data movement has become a driver for publicly available data on the Web. More
and more data—from governments and public institutions but also from the private sector …

Learning objects are systematically organised and classified in online databases, which are
termed learning object repositories (LORs). Currently, a rich variety of LORs is operating …

Owing to the recent developments in automatic metadata generation and interoperability
between digital repositories, the production of metadata is now vastly surpassing manual …

The quality of the learning objects metadata records stored in a repository is important its
operation and interoperability. While several studies have tried to define and measure …

Purpose–This paper aims to address the issue of poor quality of metadata records
describing educational content in Learning Object Repositories (LORs). Through this, it aims …

Abstract Since IEEE LTSC LOM was published in 2002, it is one of the widest adopted
standard for the description of educational resources. The GLOBE (Global Learning Objects …

El concepto de objeto didáctico u objeto de aprendizaje (learning object) se ha convertido
en el centro de un nuevo paradigma de diseño de actividades de aprendizaje on-line, que …

Assessing metadata is of paramount importance for several critical reasons. Metadata plays
a pivotal role in various aspects, including data retrieval and search, data organization …

In the context of data warehouse design, a basic role is played by conceptual modeling, that
provides a higher level of abstraction in describing the warehousing process and …

Completeness of metadata is one of the most essential characteristics of their quality. An
incomplete metadata record is a record of degraded quality. Existing approaches to …