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Improving Entity Linking by Modeling Latent Entity Type Information

AAAI 2020 · Label-efficient and robust learning › Recognition and long-tail · approach: Multilingual language representation pretraining · 72 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
Add BERT-based entity similarity to the local modelDeepED on AIDA-B test · AIDA-B testF1: 92.22 $\pm 0.14$ -> 93.54 $\pm 0.12$Helped
Add BERT-based entity similarity to the local model, without global modelingDeepED local model on AIDA-B test · AIDA-B testF1: 88.75 ± 0.30 -> 90.06 ± 0.22Helped
Build entity embeddings by averaging BERT representations of masked anchor contexts instead of using DeepED embeddingsEntity type prediction on FIGER, BBN, and OntoNotesFine · FIGER entity typing testMicro F1: 80.38 -> 88.69Helped
Replace BERT entity embeddings with a learned projection into Ganea and Hofmann's embedding space (ablation)BERT+G&H on AIDA-B test · AIDA-B testF1: 92.22 $\pm 0.14$ -> 91.00 $\pm 0.72$Hurt
Replace Ganea et al.'s global model with DCA (ablation)BERT-Entity-Sim on AIDA-B test · AIDA-B testF1: 93.54 ± 0.12 -> 93.66 $\pm 0.17$Helped
Replace Ganea et al.'s global model with DCA (ablation)BERT-Entity-Sim on five out-domain test sets · Five out-domain test sets (Avg)F1: 86.02 -> 86.72Helped
Add Jaccard similarity using predicted Ultra-fine typesDeepED on AIDA-B test · AIDA-B testF1: 92.22 $\pm 0.14$ -> 91.35 $\pm 0.18$Hurt
Add Jaccard similarity using predicted ZOE typesDeepED on AIDA-B test · AIDA-B testF1: 92.22 $\pm 0.14$ -> 91.42 $\pm 0.09$Hurt
Add Jaccard similarity using oracle mention typesDeepED on AIDA-B test · AIDA-B testF1: 93.07 $\pm 0.27$ -> 96.35 $\pm 0.14$Helped
Use a parameterized similarity formula instead of cosine similarity (ablation)BERT-Entity-Sim local model · Entity linkingF1No clear effect
Use BERT-Entity-Sim instead of the attention-based bag-of-words local context representationDeepED type-error cases on AIDA-CoNLL development · AIDA-CoNLL developmentType errors corrected: 124 out of 185 (67.03\%)Helped

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