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In this paper we present our current experience of aggregating user data from various Social Web applications and outline several key challenges in this area. The work is based on a concrete use case: reusing activity streams to determine a viewer’s interests and generating television programme recommendations from these interests. Three system components(More)
The main aim of this paper is to present the OpenPlatform, the Asemantics OpenID solution developed for several Italian web portals. Starting from the developers’ experience in the field of digital identity, this work also describes the Global Social Platform as an open-standard based solution to the Social Networks interoperability problem. Basically, it(More)
We consider the feasibility of processing billions of RDF triples on a single commodity machine using streaming and sorting techniques and focusing on RDF processing tasks relevant for Linked Data consumption: data filtering and transformation, RDFS inference, owl:sameAs smushing and statistics extraction. To investigate this research question we built(More)
Web Mashup, Web 2.0, recombinant or remixable Web are all terms with the same meaning: informally, they express the possibility of building applications that are able to manage data contained in different repositories exposed as Web services. The availability of a broad range of Web services for different purposes and domains, from online bids to the(More)
We present RDFPRO (RDF Processor), an open source Java command line tool and embeddable library that offers a suite of stream-oriented, highly optimized processors for common tasks such as data filtering, RDFS inference, smushing and statistics extraction. RDFPRO processors are extensible by users and can be freely composed to form complex pipelines to(More)
In this paper we introduce two Semantic Web based tools which helps website owners and their users with practical services. With just a bit of RDFa or Microformats, ordinary web pages can become contextually relevant, rich browsing experiences. Sindice Data Widgets and Site Search are such tools which uses this minimal markup to a) provide relevant(More)
In this short paper we present a scenario and requirements for ontology matching posed by a statistical eGovernment application, which aims at publishing its data (also) as linked open data. Introduction. Our application domain is eGovernment. By eGovernment we mean an area of application for information technologies to modernize public administration by(More)
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