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  • The Inria's Research Teams produce an annual Activity Report presenting their activities and their results of the year. These reports include the team members, the scientific program, the software developed by the team and the new results of the year. The report also describes the grants, contracts and the activities of dissemination and teaching. Finally, the report gives the list of publications of the year.

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Section: New Results

Novel fact-checking architectures and algorithms

Still part of our work in ContentCheck, we have worked to devise new algorithms and architectures for data journalism and journalistic fact checking.

First, we have considered the problem of making it easy to check the accuracy of a statistic claim, in the statistic database published by INSEE, the leading french statistic institute. In prior work, we had shown how the INSEE data can be converted into a collection of open data adherent to the best practices of the W3C (RDF graphs). Following up on that work, we have proposed a novel algorithm which allows to search these RDF datasets by means of user-friendly keyword queries. Our algorithm returns ranked answers at the granularity of the RDF dataset (corresponding to a spreadsheet in a statistic dataset published by INSEE) or, when possible, at the granularity of individual cells, or line/column in a spreadsheet that best matches the user query [13], [12].

Second, we have devised a new architecture for keyword search in a polystore systems, where users ask a set of keywords, and receive results showing how occurrences of these keywords across the set of data sources can be connected. This allows identifying possibly unforeseen connections across heterogeneous data sources. We have implemented this architecture in the ConnectionLens prototype, which we demonstrated in VLDB [9] and also informally at BDA [14].