Toward a statistical data integration environment

Abstract

In most government and business organizations alike, statistical data provides the foundation for strategic planning and for the management of operations. In this context, the use of increasingly abundant statistical data available on the web creates new opportunities for interesting applications and facilitates more informed decision-making. For the majority of end users, however, viable means to explore statistical data sets available on the web are still scarce. Gathering and relating statistical data from multiple sources is hence typically a tedious manual process that requires significant technical expertise. Data that is being published with associated semantics, using standards such as the W3C RDF Data Cube Vocabulary, lays the foundation to overcome such limitations. In this paper, we develop a semantic metadata repository that describes each statistical data set and develop mechanisms for the interconnection of data sets based on their metadata. Finally, we support users in exploring data sets through interactive mashups that facilitate data integration, comparisons, and visualization.

RMLx: Mapping interface for integrating open data with linked data exploration environment

“…We use HTTP vocabulary 6 HTTP operations in the web function introduces latency for each call. In most cases, there might be redundancies in data values which make repeating HTTP call unnecessary.…”

“…The diversity of the data's content opens opportunities for creating new analyses and insights if data is integrated from multiple data sources which can be realized via defining RML mappings [6] [7].…”

“…In this project 7 , RML is used to generate RDF from CSV data that contains Program committee data extracted from conference websites. The use of mapping for RDF generation enables evolution of data model during the project.…”

“…However, some government institutions publish data in form of partial views or slices. This cause the large number of dataset or data resources in the open data portals although some dataset or resources belongs to the same source 7 http://lod.springer.com/wiki/bin/view/Linked+Open+Data/About of data. This phenomena causes challenges for data retrieval and analysis.…”

RMLx : Mapping Interface for Integrating Open Data with Linked Data Exploration Environment

“…Statistical data is one of the data types which is often published as open data due to its relatively simple tabular-like structure. The diversity of the data's content opens opportunities for creating new analyses and insights if data is integrated from multiple data sources which can be realized via defining RML mappings [6] [7].…”