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Are You for Real? Learning Event Factuality in Croatian Texts

Are You for Real? Learning Event Factuality in Croatian Texts

This video was recorded at 15th International Multiconference on Information Society, Ljubljana 2012. There is a certain discrepancy between real-world events and their representations in text (linguistic events or event mentions). The event mentions often refer to future or hypothetical events that have not actually occurred or whose occurrence is uncertain. In this paper we address the problem of predicting event factuality in Croatian texts using supervised machine learning. For each event mention, we aim to predict its polarity (whether the denoted event has actually happened) and its certainty (the level of confidence that the denoted event has happened). We use only lexically-based features, in order to investigate how well this problem may be addressed for a resource-poor language... Show More
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