Building and Using a Knowledge Graph to Combat Human Trafficking

author: Giuseppe Pirrò, Istituto di Calcolo e Reti ad Alte Prestazioni (ICAR), National Research Council (CNR)
published: Nov. 10, 2015,   recorded: October 2015,   views: 2745


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There is a huge amount of data spread across the web and stored in databases that we can use to build knowledge graphs. However, exploiting this data to build knowledge graphs is difficult due to the heterogeneity of the sources, scale of the amount of data, and noise in the data. In this paper we present an approach to building knowledge graphs by exploiting semantic technologies to reconcile the data continuously crawled from diverse sources, to scale to billions of triples extracted from the crawled content, and to support interactive queries on the data. We applied our approach, implemented in the DIG system, to the problem of combating human trafficking and deployed it to six law enforcement agencies and several non-governmental organizations to assist them with finding traffickers and helping victims.

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