Датасет Genia

AbstractEntity mentions embedded in longer entity mentions are referred to as nested entities. Most named entity recognition (NER) systems deal only with the flat entities and ignore the inner nested …...

AbstractWhen an entity name contains other names within it, the identification of all combinations of names can become difficult and expensive. We propose a new method to recognize not only …...

AbstractSpan-based methods with the neural networks backbone have great potential for the nested named entity recognition (NER) problem. However, they face problems such as degenerating when positive instances and negative …...