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OLAP4LD

Open Java API for OLAP over Linked Data

Contact persons: Benedikt Kämpgen

https://code.google.com/p/olap4ld/

Research group: Web Science

Publication date: 1 Januar 2014


Description

Although useful statistics such as from Eurostat or the Securities and Exchange Commision (SEC) are also available in a unified way as Linked Data, there are query processing and data pre-processing challenges to integrate such multidimensional datasets and to allow citizens the exploration of such datasets using pivot tables. OLAP4LD is a framework for developers of applications over Linked Data. For that, OLAP4LD is making use of the Linked Data principles, the underlying data model of data cubes, and the RDF Data Cube vocabulary. Demo of OLAP4LD for the Linked Data Cubes Explorer (LDCX): http://ldcx.linked-data-cubes.org/projects/ldcx/


Contributors
OLAP4LD (Benedikt KämpgenAndreas Harth)


Publications

inproceedings
Benedikt Kämpgen, Andreas Harth
OLAP4LD - A Framework for Building Analysis Applications over Governmental Statistics
ESWC 2014 Posters & Demo session, Springer, Mai, 2014
(Details)

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Projects
OLAP4LDLD-Cubes
Der für das Attribut „Project“ des Datentyps Seite angegebene Wert „OLAP4LDLD-Cubes“ enthält ungültige Zeichen oder ist unvollständig. Er kann deshalb während einer Abfrage oder bei einer Annotation unerwartete Ergebnisse verursachen.