Search Results for author: Petra Kralj Novak

Found 6 papers, 2 papers with code

Retweet communities reveal the main sources of hate speech

1 code implementation31 May 2021 Bojan Evkoski, Andraz Pelicon, Igor Mozetic, Nikola Ljubesic, Petra Kralj Novak

In fact, the main sources of unacceptable tweets are anonymous accounts, and accounts that were suspended or closed during the years 2018-2020.

Leveraging Contextual Embeddings for Detecting Diachronic Semantic Shift

no code implementations LREC 2020 Matej Martinc, Petra Kralj Novak, Senja Pollak

We propose a new method that leverages contextual embeddings for the task of diachronic semantic shift detection by generating time specific word representations from BERT embeddings.

Domain Adaptation

Embeddia at SemEval-2019 Task 6: Detecting Hate with Neural Network and Transfer Learning Approaches

1 code implementation SEMEVAL 2019 Andra{\v{z}} Pelicon, Matej Martinc, Petra Kralj Novak

For the first sub-task, we used a BERT model fine-tuned on the OLID dataset, while for the second and third tasks we developed a custom neural network architecture which combines bag-of-words features and automatically generated sequence-based features.

Language Identification Transfer Learning

Sentiment of Emojis

no code implementations25 Sep 2015 Petra Kralj Novak, Jasmina Smailović, Borut Sluban, Igor Mozetič

We provide the first emoji sentiment lexicon, called the Emoji Sentiment Ranking, and draw a sentiment map of the 751 most frequently used emojis.

Sentiment Analysis

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