Mediators in the architecture of future information systems

Wiederhold, Gio

doi:10.1109/2.121508

Cited by 1,600 publications

(655 citation statements)

References 21 publications

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“…Firstly, bad ordering in conjunctions may lead to poor performance. In another project 7 we have found that dynamic reordering is feasible and efficient. Secondly, frequent recomputation as well as commonly occurring loops in RDF graphs result in poor performance and complicated code to avoid loops.…”

Section: Discussionmentioning

confidence: 99%

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Using Triples for Implementation: The Triple20 Ontology-Manipulation Tool

Wielemaker

Schreiber

Wielinga

2005

The Semantic Web – ISWC 2005

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Abstract. Triple20 is a ontology manipulation and visualization tool for languages built on top of the Semantic-Web RDF triple model. In this article we explain how a triple-centered design compares to the use of a separate proprietary internal data model. We show how to deal with the problems of such a low-level data model and show that it offers advantages when dealing with inconsistent or incomplete data as well as for integrating tools.

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Section: Discussionmentioning

confidence: 99%

“…As we can see from the above the relation between changes to the triple set and changes to the view can be very indirect. We deal with this problem using transactions and mediators [7].…”

Section: Architecturementioning

confidence: 99%

Using Triples for Implementation: The Triple20 Ontology-Manipulation Tool

Wielemaker

Schreiber

Wielinga

2005

The Semantic Web – ISWC 2005

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“…Queries are expressed on the global schema and further resolved to be sent to and executed in the underlying data sources. This architecture is similar to the well-known federated (Elmagarmid et al, 1999) or mediated architectures (Wiederhold, 1992). Such architectures re-gain their popularity in the context of heterogeneous and complex data, including graphs (Liu and Wang, 2016) and Web data (Langegger et al, 2008).…”

Section: Virtual Integrationmentioning

confidence: 79%

Exploring complex and big data

Stefanowski

Krawiec

Wrembel

2017

International Journal of Applied Mathematics and Computer Science

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This paper shows how big data analysis opens a range of research and technological problems and calls for new approaches. We start with defining the essential properties of big data and discussing the main types of data involved. We then survey the dedicated solutions for storing and processing big data, including a data lake, virtual integration, and a polystore architecture. Difficulties in managing data quality and provenance are also highlighted. The characteristics of big data imply also specific requirements and challenges for data mining algorithms, which we address as well. The links with related areas, including data streams and deep learning, are discussed. The common theme that naturally emerges from this characterization is complexity. All in all, we consider it to be the truly defining feature of big data (posing particular research and technological challenges), which ultimately seems to be of greater importance than the sheer data volume.

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“…Interoperability and mediation have been investigated in several contexts, among which protocol conversion [14][15][16], integration of heterogeneous data sources [17], software architecture [18], architectural patterns [19], design patterns [20], patterns of connectors [21,22], Web services [23][24][25][26][27], and algebra to solve mismatches [28] to mention a few.…”

Section: Related Workmentioning

confidence: 99%

On-the-Fly Dependable Mediation between Heterogeneous Networked Systems

Bertolino

Calabrò

Giandomenico

et al. 2013

Communications in Computer and Information Science

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Abstract. The development of next generation Future Internet systems must be capable to address complexity, heterogeneity, interdependency and, especially, evolution of loosely connected networked systems. The European project CON-NECT addresses the challenging and ambitious topic of ensuring eternally functioning distributed and heterogeneous systems through on-the-fly synthesis of the CONNECTors through which they communicate. In this paper we focus on the CONNECT enablers that dynamically derive such connectors ensuring the required non-functional requirements via a framework to analyse and assess dependability and performance properties. We illustrate the adaptive approach under development integrating synthesis of CONNECTors, stochastic model-based analysis performed at design time and run-time monitoring. The proposed framework is illustrated on a case study.

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Mediators in the architecture of future information systems

Cited by 1,600 publications

References 21 publications

Using Triples for Implementation: The Triple20 Ontology-Manipulation Tool

Using Triples for Implementation: The Triple20 Ontology-Manipulation Tool

Exploring complex and big data

On-the-Fly Dependable Mediation between Heterogeneous Networked Systems

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