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Entity linking is a cognitive task consisting in connecting entities (i.e., people, places, ...) mentioned in a passage of text to the relevant description in a knowledge base, such as DBpedia. Example applications of entity linking are automatic generation of hyperlinks to augment news articles and trending topics analysis in social media. The task is challenging because it often depends on contextual information, in particular to distinguish synonyms and ambiguous terms. In this session, we show how the quality of answer of an entity-linking service can be improved by applying graph analysis. We also introduce Oracle’s graph technology for quick and efficient development.