TY - CHAP U1 - Konferenzveröffentlichung A1 - Nam, Jinseok T1 - Semi-Supervised Neural Networks for Nested Named Entity Recognition T2 - Workshop proceedings of the 12th edition of the KONVENS conference N2 - In this paper, we investigate a semi- supervised learning approach based on neu- ral networks for nested named entity recog- nition on the GermEval 2014 dataset. The dataset consists of triples of a word, a named entity associated with that word in the first-level and one in the second-level. Additionally, the tag distribution is highly skewed, that is, the number of occurrences of certain types of tags is too small. Hence, we present a unified neural network archi- tecture to deal with named entities in both levels simultaneously and to improve gen- eralization performance on the classes that have a small number of labelled examples. KW - Computerlinguistik KW - NER KW - Named entity recognition Y1 - 2014 U6 - https://nbn-resolving.org/urn:nbn:de:gbv:hil2-opus-3085 UN - https://nbn-resolving.org/urn:nbn:de:gbv:hil2-opus-3085 SP - 144 EP - 148 ER -