Geotagging Social Media Posts to Landmarks Using Hierarchical BERT (Student Abstract)
Menglin Li, Kwan Hui Lim
[AAAI-22] Student Abstract and Poster Program
Abstract:
Geographical information provided in social media data is useful for many valuable applications. However, only a small proportion of social media posts are explicitly geotagged with their posting locations, which makes the pursuit of these applications challenging. Motivated by this, we propose a 2-level hierarchical classification method that builds upon a BERT model, coupled with textual information and temporal context, which we denote HierBERT. As far as we are aware, this work is the first to utilize a 2-level hierarchical classification approach alongside BERT and temporal information for geolocation prediction. Experimental results based on two social media datasets show that HierBERT outperforms various state-of-art baselines in terms of accuracy and distance error metrics.
Sessions where this paper appears
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Poster Session 1
Thu, February 24 4:45 PM - 6:30 PM (+00:00)
Blue 5
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Poster Session 11
Mon, February 28 12:45 AM - 2:30 AM (+00:00)
Blue 5