15 citations · 42 across the 6 of their papers we have counts for
3 papers · 1 filter
Topic modelling discourse dynamics in historical newspapers
Jani Marjanen, Elaine Zosa, Simon Hengchen +2
This paper addresses methodological issues in diachronic data analysis for historical research. We apply two families of topic models (LDA and DTM) on a relatively large set of his…
An Unsupervised method for OCR Post-Correction and Spelling Normalisation for Finnish
Quan Duong, Mika Hämäläinen, Simon Hengchen
Historical corpora are known to contain errors introduced by OCR (optical character recognition) methods used in the digitization process, often said to be degrading the performanc…
SemEval-2020 Task 1: Unsupervised Lexical Semantic Change Detection
Dominik Schlechtweg, Barbara McGillivray, Simon Hengchen +2
Lexical Semantic Change detection, i.e., the task of identifying words that change meaning over time, is a very active research area, with applications in NLP, lexicography, and li…