Integration of heterogeneous data sources in a single representation is an active field with
many different tools and techniques. In the case of text-based approaches—those that base …

VocBench is an open source web platform for the collaborative development of datasets
complying with Semantic Web standards. Since its public release–five years ago–as an …

Although several tools have been implemented to generate Linked Data from raw data,
users still need to be aware of the underlying technologies and Linked Data principles to …

The paper discusses issues of rule-based data transformation from arbitrary spreadsheet
tables to a canonical (relational) form. We present a novel table object model and rule …

Tabular data formats (eg CSV and spreadsheets) combine ease of use, versatility and
compatibility with information management systems. Despite their numerous advantages …

This paper presents a retrospective overview of a decade of research in our department
towards self-organizing personal knowledge assistants in evolving corporate memories. Our …

Spreadsheets are often used as a simple way for representing tabular data. However, since
they do not impose any restriction on their table structures and contents, their automatic …

This article reports on an open-source ontology that has been developed to establish an
industry-wide consensus on wind lidar concepts and terminology. The article provides an …

This paper presents an approach to rule-based spreadsheet data extraction and
transformation. We determine a table object model and domain-specific language of table …

Being a metadata model, the Resource Description Framework (RDF) has been widely used
in the context of semantic extraction, unified organization and intelligent processing of a …