Monitoring Online Reputation has already become a key part of Public Relations for organizations and individuals; and current search technologies do not su ce to help reputation experts to cope with the vast stream of online content ooding reputation management experts.

In the talk we will summarize some of the main challenges that Information Access Technologies must face to assist online reputation monitoring tasks, and present some of the results obtained by the UNED research group in the areas of entity name disambiguation, topic tracking for reputation analysis, identi cation of opinion makers, and reputationoriented summarization. We will make a special emphasis on the Replab test collections for Online Reputation Monitoring, which provide over half a million manual annotations provided by reputation experts on Twitter data. Biography