BiTT: Bidirectional Tree Tagging for Joint Extraction of Overlapping Entities and Relations

31 Aug 2020 Xukun Luo Weijie Liu Meng Ma Ping Wang

Joint extraction refers to extracting triples, composed of entities and relations, simultaneously from the text with a single model. However, most existing methods fail to extract all triples accurately and efficiently from sentences with overlapping issue, i.e., the same entity is included in multiple triples... (read more)

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Results from the Paper


TASK DATASET MODEL METRIC NAME METRIC VALUE GLOBAL RANK RESULT BENCHMARK
Relation Extraction DuIE BiTT F1 76.9 # 1
Relation Extraction NYT BiTT F1 88.9 # 5

Methods used in the Paper