Johann Petrak

According to our database, Johann Petrak authored at least 17 papers between 1996 and 2022.

Collaborative distances:

• Dijkstra number of five.
• Erdős number of four.

2022

Misogyny classification of German newspaper forum comments.

Johann Petrak, Brigitte Krenn

CoRR, 2022

2020

Using ontologies to map between research data and policymakers' presumptions: the experience of the KNOWMAK project.

Diana Maynard, Benedetto Lepori, Johann Petrak, Xingyi Song, Philippe Larédo

Scientometrics, 2020

Classification Aware Neural Topic Model and its Application on a New COVID-19 Disinformation Corpus.

Xingyi Song, Johann Petrak, Ye Jiang, Iknoor Singh, Diana Maynard, Kalina Bontcheva

CoRR, 2020

2019

Team Bertha von Suttner at SemEval-2019 Task 4: Hyperpartisan News Detection using ELMo Sentence Representation Convolutional Network.

Ye Jiang, Johann Petrak, Xingyi Song, Kalina Bontcheva, Diana Maynard

Proceedings of the 13th International Workshop on Semantic Evaluation, 2019

2018

Adapted TextRank for Term Extraction: A Generic Method of Improving Automatic Term Extraction Algorithms.

Ziqi Zhang, Johann Petrak, Diana Maynard

Proceedings of the 14th International Conference on Semantic Systems, 2018

A Deep Neural Network Sentence Level Classification Method with Context Information.

Xingyi Song, Johann Petrak, Angus Roberts

Proceedings of the 2018 Conference on Empirical Methods in Natural Language Processing, Brussels, Belgium, October 31, 2018

2017

An Extensible Multilingual Open Source Lemmatizer.

Ahmet Aker, Johann Petrak, Firas Sabbah

Proceedings of the International Conference Recent Advances in Natural Language Processing, 2017

2015

Analysis of named entity recognition and linking for tweets.

Leon Derczynski, Diana Maynard, Giuseppe Rizzo, Marieke van Erp, Genevieve Gorrell, Raphaël Troncy, Johann Petrak, Kalina Bontcheva

Inf. Process. Manag., 2015

Using @Twitter Conventions to Improve #LOD-Based Named Entity Disambiguation.

Genevieve Gorrell, Johann Petrak, Kalina Bontcheva

Proceedings of the Semantic Web. Latest Advances and New Domains, 2015

2012

Applying Random Indexing to Structured Data to Find Contextually Similar Words.

Danica Damljanovic, Udo Kruschwitz, M-Dyaa Albakour, Johann Petrak, Mihai Lupu

Proceedings of the Eighth International Conference on Language Resources and Evaluation, 2012

2011

Random Indexing for Finding Similar Nodes within Large RDF graphs.

Danica Damljanovic, Johann Petrak, Mihai Lupu, Hamish Cunningham, Mats Carlsson, Gunnar Engstrom, Bo Andersson

Proceedings of the Fourth International Workshop on REsource Discovery, 2011

2005

GPSDB: a new database for synonyms expansion of gene and protein names.

Violaine Pillet, Marc Zehnder, Alexander K. Seewald, Anne-Lise Veuthey, Johann Petrak

Bioinform., 2005

2001

Hybrid Decision Tree Learners with Alternative Leaf Classifiers: An Empirical Study.

Alexander K. Seewald, Johann Petrak, Gerhard Widmer

Proceedings of the Fourteenth International Florida Artificial Intelligence Research Society Conference, 2001

Sampling-Based Relative Landmarks: Systematically Test-Driving Algorithms Before Choosing.

Carlos Soares, Johann Petrak, Pavel Brazdil

Proceedings of the Progress in Artificial Intelligence, 2001

2000

Searching for Patterns in Political Event Sequences: Experiments with the Keds Database.

Klaus Kovar, Johannes Fürnkranz, Johann Petrak, Bernhard Pfahringer, Robert Trappl, Gerhard Widmer

Cybern. Syst., 2000

1997

Knowledge Discovery in International Conflict Databases.

Johannes Fürnkranz, Johann Petrak, Robert Trappl

Appl. Artif. Intell., 1997

1996

Digging for Peace: Using Machine Learning Methods for Assessing International Conflict Databases.

Robert Trappl, Johannes Fürnkranz, Johann Petrak

Proceedings of the 12th European Conference on Artificial Intelligence, 1996