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- W2783284144 abstract "Extracting fine-grained relations between entities of interest is of great importance to information extraction and large-scale knowledge graph construction. Conventional approaches on relation extraction require an existing knowledge graph to start with or sufficient observed samples from each relation type in the training process. However, such resources are not always available, and fine-grained manual labeling is extremely time-consuming and requires extensive expertise for specific domains such as healthcare and bioinformatics. Additionally, the distribution of fine-grained relations is often highly imbalanced in practice. We tackle this label scarcity and distribution imbalance issue from a one-shot classification perspective via a convolutional siamese neural network which extracts discriminative semantic-aware features to verify the relations between a pair of input samples. The proposed siamese network effectively extracts uncommon relations with only limited observed samples on the tasks of 1-shot and few-shot classification, demonstrating significant benefits to domain-specific information extraction in practical applications." @default.
- W2783284144 created "2018-01-26" @default.
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- W2783284144 date "2017-12-01" @default.
- W2783284144 modified "2023-10-17" @default.
- W2783284144 title "One-shot learning for fine-grained relation extraction via convolutional siamese neural network" @default.
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- W2783284144 doi "https://doi.org/10.1109/bigdata.2017.8258168" @default.
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