Publication

Toward Semantic Sensor Data Archives on the Web

Karl Aberer
2016
Conference Papers

Abstract

Sensor datasets on the Web are becoming increasingly available, and there is a need for making them discoverable and accessible, so that they can be reused despite their heterogeneity. While RDF and Linked Data provide fundamental principles for sharing data on the Web, it is evidenced that they have limitations for efficiently transmitting and archiving sensor data. In this paper we identify some of the main challenges for engineering semantic sensor data archives, and we present an abstract architecture for such type of infrastructure. The proposed approach is based on a mix of RDF metadata and raw sensor archives with RDF mappings, so that data can be RDF-ized on demand. We use a real sensor deployment for air quality monitoring as a motivating use case and running example, and we show preliminary results on RDF transformation, compared with a representative data compression algorithm.

Official source

https://infoscience.epfl.ch/entities/publication/b778f9cb-81f4-4301-8d0d-e5e38327c822

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Karl Aberer
2016
Conference Papers

Abstract

Official source

https://infoscience.epfl.ch/entities/publication/b778f9cb-81f4-4301-8d0d-e5e38327c822

About this result

Related concepts (32)

Resource Description Framework

The Resource Description Framework (RDF) is a World Wide Web Consortium (W3C) standard originally designed as a data model for metadata. It has come to be used as a general method for description and exchange of graph data. RDF provides a variety of syntax notations and data serialization formats, with Turtle (Terse RDF Triple Language) currently being the most widely used notation. RDF is a directed graph composed of triple statements.

RDFa

RDFa or Resource Description Framework in Attributes is a W3C Recommendation that adds a set of attribute-level extensions to HTML, XHTML and various XML-based document types for embedding rich metadata within Web documents. The Resource Description Framework (RDF) data-model mapping enables its use for embedding RDF subject-predicate-object expressions within XHTML documents. It also enables the extraction of RDF model triples by compliant user agents. The RDFa community runs a wiki website to host tools, examples, and tutorials.

Data mapping

In computing and data management, data mapping is the process of creating data element mappings between two distinct data models.

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