Digging for Peace: Using Machine Learning Methods for Assessing International Conflict Databases. - Robert Trappl; Johannes Fürnkranz; Johann Petrak (ECAI, 1996)

Knowledge Discovery in International Conflict Databases. - Johannes Fürnkranz; Johann Petrak; Robert Trappl (Appl. Artif. Intell., 1997)

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)

Sampling-Based Relative Landmarks: Systematically Test-Driving Algorithms Before Choosing. - Carlos Soares; Johann Petrak; Pavel Brazdil (EPIA, 2001)

Hybrid Decision Tree Learners with Alternative Leaf Classifiers: An Empirical Study. - Alexander K. Seewald; Johann Petrak; Gerhard Widmer (FLAIRS, 2001)

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)

Random Indexing for Finding Similar Nodes within Large RDF graphs. - Danica Damljanovic; Johann Petrak; Mihai Lupu; Hamish Cunningham; Mats Carlsson; Gunnar Engstrom; Bo Andersson (RED@ESWC, 2011)

Applying Random Indexing to Structured Data to Find Contextually Similar Words. - Danica Damljanovic; Udo Kruschwitz; M-Dyaa Albakour; Johann Petrak; Mihai Lupu (LREC, 2012)

Using @Twitter Conventions to Improve #LOD-Based Named Entity Disambiguation. - Genevieve Gorrell; Johann Petrak; Kalina Bontcheva (ESWC, 2015)

Analysis of named entity recognition and linking for tweets. - Leon Derczynski; Diana Maynard; Giuseppe Rizzo 002; Marieke van Erp; Genevieve Gorrell; Raphaël Troncy; Johann Petrak; Kalina Bontcheva (Inf. Process. Manag., 2015)

An Extensible Multilingual Open Source Lemmatizer. - Ahmet Aker; Johann Petrak; Firas Sabbah (RANLP, 2017)

A Deep Neural Network Sentence Level Classification Method with Context Information. - Xingyi Song; Johann Petrak; Angus Roberts (EMNLP, 2018)

Adapted TextRank for Term Extraction: A Generic Method of Improving Automatic Term Extraction Algorithms. - Ziqi Zhang 001; Johann Petrak; Diana Maynard (SEMANTiCS, 2018)

Team Bertha von Suttner at SemEval-2019 Task 4: Hyperpartisan News Detection using ELMo Sentence Representation Convolutional Network. - Ye Jiang 001; Johann Petrak; Xingyi Song; Kalina Bontcheva; Diana Maynard (SemEval@NAACL-HLT, 2019)

Classification Aware Neural Topic Model and its Application on a New COVID-19 Disinformation Corpus. - Xingyi Song; Johann Petrak; Ye Jiang 001; Iknoor Singh; Diana Maynard; Kalina Bontcheva (CoRR, 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)

Misogyny classification of German newspaper forum comments. - Johann Petrak; Brigitte Krenn (CoRR, 2022)

GERMS-AT: A Sexism/Misogyny Dataset of Forum Comments from an Austrian Online Newspaper. - Brigitte Krenn; Johann Petrak; Marina Kubina; Christian Burger (LREC/COLING, 2024)