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ORCIDLeon Derczynski
Leon Richard Anthony Strømberg-Derczynski
Person information
- affiliation: IT University of Copenhagen, Department of Computer Science, Denmark
- affiliation (PhD): University of Sheffield, UK
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2020 – today
- 2022
[c62]Hannah Kirk, Abeba Birhane, Bertie Vidgen, Leon Derczynski:
Handling and Presenting Harmful Text in NLP Research. EMNLP (Findings) 2022: 497-510- [c61]Mateusz Jurewicz, Leon Derczynski:
Set Interdependence Transformer: Set-to-Sequence Neural Networks for Permutation Learning and Structure Prediction. IJCAI 2022: 3128-3134 - [c60]Gcinizwe Dlamini, Imad Eddine Ibrahim Bekkouch, Adil Khan, Leon Derczynski:
Bridging the Domain Gap for Stance Detection for the Zulu Language. IntelliSys (1) 2022: 312-325 - [i41]Leon Derczynski, Hannah Rose Kirk, Abeba Birhane, Bertie Vidgen:
Handling and Presenting Harmful Text. CoRR abs/2204.14256 (2022) - [i40]Gcinizwe Dlamini, Imad Eddine Ibrahim Bekkouch, Adil Khan, Leon Derczynski:
Bridging the Domain Gap for Stance Detection for the Zulu language. CoRR abs/2205.03153 (2022) - [i39]Mateusz Jurewicz, Leon Derczynski:
Set Interdependence Transformer: Set-to-Sequence Neural Networks for Permutation Learning and Structure Prediction. CoRR abs/2206.03720 (2022) - [i38]Leon Derczynski, Annika Solveig Hedegaard Isfeldt, Signhild Djurhuus:
The ITU Faroese Pairs Dataset. CoRR abs/2206.08727 (2022) - [i37]Jeppe Nørregaard, Leon Derczynski:
Sparse Probability of Agreement. CoRR abs/2208.06161 (2022) - [i36]Manuel R. Ciosici, Leon Derczynski:
Training a T5 Using Lab-sized Resources. CoRR abs/2208.12097 (2022) - [i35]Marcos V. Treviso, Tianchu Ji, Ji-Ung Lee, Betty van Aken, Qingqing Cao, Manuel R. Ciosici, Michael Hassid, Kenneth Heafield, Sara Hooker, Pedro Henrique Martins, André F. T. Martins, Peter A. Milder, Colin Raffel, Edwin Simpson, Noam Slonim, Niranjan Balasubramanian, Leon Derczynski, Roy Schwartz:
Efficient Methods for Natural Language Processing: A Survey. CoRR abs/2209.00099 (2022) - 2021
- [j6]Mateusz Jurewicz, Leon Derczynski
:
Set-to-Sequence Methods in Machine Learning: A Review. J. Artif. Intell. Res. 71: 885-924 (2021) - [c59]Philine Zeinert, Nanna Inie, Leon Derczynski:
Annotating Online Misogyny. ACL/IJCNLP (1) 2021: 3181-3197 - [c58]Lucas Høyberg Puvis de Chavannes, Mads Guldborg Kjeldgaard Kongsbak, Timmie Rantzau, Leon Derczynski:
Hyperparameter Power Impact in Transformer Language Model Training. SustaiNLP@EMNLP 2021: 96-118 - [c57]Mateusz Jurewicz, Leon Derczynski:
PROCAT: Product Catalogue Dataset for Implicit Clustering, Permutation Learning and Structure Prediction. NeurIPS Datasets and Benchmarks 2021 - [c56]Leon Derczynski, Manuel R. Ciosici, Rebekah Baglini, Morten H. Christiansen, Jacob Aarup Dalsgaard, Riccardo Fusaroli, Peter Juel Henrichsen, Rasmus Hvingelby, Andreas Kirkedal, Alex Speed Kjeldsen, Claus Ladefoged, Finn Årup Nielsen, Jens Madsen, Malte Lau Petersen, Jonathan Hvithamar Rystrøm, Daniel Varab:
The Danish Gigaword Corpus. NoDaLiDa 2021: 413-421 - [c55]Jeppe Nørregaard, Leon Derczynski:
DanFEVER: claim verification dataset for Danish. NoDaLiDa 2021: 422-428 - [c54]René Haas, Leon Derczynski:
Discriminating Between Similar Nordic Languages. VarDial@EACL 2021: 67-75 - [i34]Mateusz Jurewicz, Leon Derczynski:
Set-to-Sequence Methods in Machine Learning: a Review. CoRR abs/2103.09656 (2021) - [i33]Magnus Jacobsen, Mikkel H. Sørensen, Leon Derczynski:
Optimal Size-Performance Tradeoffs: Weighing PoS Tagger Models. CoRR abs/2104.07951 (2021) - [i32]Erida Nurce, Jorgel Keci, Leon Derczynski:
Detecting Abusive Albanian. CoRR abs/2107.13592 (2021) - 2020
- [c53]Nanna Inie, Jeanette Falk Olesen, Leon Derczynski:
The Rumour Mill: Making the Spread of Misinformation Explicit and Tangible. CHI Extended Abstracts 2020: 1-4 - [c52]Leon Derczynski, Arkaitz Zubiaga:
Detection and Resolution of Rumors and Misinformation with NLP. COLING (Tutorial) 2020: 22-26 - [c51]Manuel R. Ciosici, Ira Assent, Leon Derczynski:
Accelerated High-Quality Mutual-Information Based Word Clustering. LREC 2020: 2491-2496 - [c50]Gudbjartur Ingi Sigurbergsson, Leon Derczynski:
Offensive Language and Hate Speech Detection for Danish. LREC 2020: 3498-3508 - [c49]Marcos Zampieri, Preslav Nakov, Sara Rosenthal, Pepa Atanasova, Georgi Karadzhov, Hamdy Mubarak, Leon Derczynski, Zeses Pitenis, Çagri Çöltekin:
SemEval-2020 Task 12: Multilingual Offensive Language Identification in Social Media (OffensEval 2020). SemEval@COLING 2020: 1425-1447 - [i31]Nanna Inie, Jeanette Falk Olesen, Leon Derczynski:
The Rumour Mill: Making the Spread of Misinformation Explicit and Tangible. CoRR abs/2002.04494 (2020) - [i30]Bertie Vidgen, Leon Derczynski:
Directions in Abusive Language Training Data: Garbage In, Garbage Out. CoRR abs/2004.01670 (2020) - [i29]Leon Derczynski, Rebekah Baglini, Morten H. Christiansen, Manuel R. Ciosici, Jacob Aarup Dalsgaard, Riccardo Fusaroli, Peter Juel Henrichsen, Rasmus Hvingelby, Andreas Kirkedal, Alex Speed Kjeldsen, Claus Ladefoged, Finn Årup Nielsen, Malte Lau Petersen, Jonathan Hvithamar Rystrøm, Daniel Varab:
The Danish Gigaword Project. CoRR abs/2005.03521 (2020) - [i28]Marcos Zampieri, Preslav Nakov, Sara Rosenthal, Pepa Atanasova, Georgi Karadzhov, Hamdy Mubarak, Leon Derczynski, Zeses Pitenis, Çagri Çöltekin:
SemEval-2020 Task 12: Multilingual Offensive Language Identification in Social Media (OffensEval 2020). CoRR abs/2006.07235 (2020) - [i27]Leon Derczynski:
Power Consumption Variation over Activation Functions. CoRR abs/2006.07237 (2020) - [i26]René Haas, Leon Derczynski:
Discriminating Between Similar Nordic Languages. CoRR abs/2012.06431 (2020)
2010 – 2019
- 2019
- [j5]Hegler Tissot, Marcos Didonet Del Fabro, Leon Derczynski, Angus Roberts:
Normalisation of imprecise temporal expressions extracted from text. Knowl. Inf. Syst. 61(3): 1361-1394 (2019) - [c48]Manuel R. Ciosici, Leon Derczynski, Ira Assent:
Quantifying the morphosyntactic content of Brown Clusters. NAACL-HLT (1) 2019: 1541-1550 - [c47]Rasmus Lehmann, Leon Derczynski:
Political Stance in Danish. NODALIDA 2019: 197-207 - [c46]Anders Edelbo Lillie, Emil Refsgaard Middelboe, Leon Derczynski:
Joint Rumour Stance and Veracity Prediction. NODALIDA 2019: 208-221 - [c45]Leon Derczynski, Alex Speed Kjeldsen:
Bornholmsk Natural Language Processing: Resources and Tools. NODALIDA 2019: 338-344 - [c44]Andreas Kirkedal, Barbara Plank, Leon Derczynski, Natalie Schluter:
The Lacunae of Danish Natural Language Processing. NODALIDA 2019: 356-362 - [c43]Genevieve Gorrell, Ahmet Aker, Kalina Bontcheva, Leon Derczynski, Elena Kochkina, Maria Liakata, Arkaitz Zubiaga:
SemEval-2019 Task 7: RumourEval, Determining Rumour Veracity and Support for Rumours. SemEval@NAACL-HLT 2019: 845-854 - [c42]Leon Derczynski, Torben Oskar Albert-Lindqvist, Marius Venø Bendsen, Nanna Inie, Viktor Due Pedersen, Jens Egholm Pedersen:
Misinformation on Twitter During the Danish National Election: A Case Study. TTO 2019 - [c41]Anders Edelbo Lillie, Emil Refsgaard Middelboe, Leon Derczynski:
Joint Rumour Stance and Veracity. TTO 2019 - [i25]Leon Derczynski:
Simple Natural Language Processing Tools for Danish. CoRR abs/1906.11608 (2019) - [i24]Gudbjartur Ingi Sigurbergsson, Leon Derczynski:
Offensive Language and Hate Speech Detection for Danish. CoRR abs/1908.04531 (2019) - 2018
- [c40]Leon Derczynski, Kenny Meesters, Kalina Bontcheva, Diana Maynard:
Helping Crisis Responders Find the Informative Needle in the Tweet Haystack. ISCRAM 2018 - [c39]Nikita Lozhnikov, Leon Derczynski, Manuel Mazzara:
Stance Prediction for Russian: Data and Analysis. SEDA 2018: 176-186 - [c38]Sofia Reznikova, Leon Derczynski:
IUCM at SemEval-2018 Task 11: Similar-Topic Texts as a Comprehension Knowledge Source. SemEval@NAACL-HLT 2018: 1068-1072 - [e3]Emily M. Bender, Leon Derczynski, Pierre Isabelle:
Proceedings of the 27th International Conference on Computational Linguistics, COLING 2018, Santa Fe, New Mexico, USA, August 20-26, 2018. Association for Computational Linguistics 2018, ISBN 978-1-948087-50-6 [contents] - [i23]Leon Derczynski, Kenny Meesters, Kalina Bontcheva, Diana Maynard:
Helping Crisis Responders Find the Informative Needle in the Tweet Haystack. CoRR abs/1801.09633 (2018) - [i22]Nikita Lozhnikov, Leon Derczynski, Manuel Mazzara:
Stance Prediction for Russian: Data and Analysis. CoRR abs/1809.01574 (2018) - [i21]Genevieve Gorrell, Kalina Bontcheva, Leon Derczynski, Elena Kochkina, Maria Liakata, Arkaitz Zubiaga:
RumourEval 2019: Determining Rumour Veracity and Support for Rumours. CoRR abs/1809.06683 (2018) - 2017
- [b1]Leon Derczynski:
Automatically Ordering Events and Times in Text. Studies in Computational Intelligence 677, Springer 2017, ISBN 978-3-319-47240-9, pp. 1-185 - [j4]Isabelle Augenstein, Leon Derczynski, Kalina Bontcheva:
Generalisation in named entity recognition: A quantitative analysis. Comput. Speech Lang. 44: 61-83 (2017) - [j3]Leon Derczynski:
Domain-Sensitive Temporal Tagging, by Jannik Strötgen , Michael Gertz . CA, USA. Morgan & Claypool, 2016. ISBN 9781627054591. Nat. Lang. Eng. 23(3): 152 (2017) - [c37]Leon Derczynski, Eric Nichols, Marieke van Erp, Nut Limsopatham:
Results of the WNUT2017 Shared Task on Novel and Emerging Entity Recognition. NUT@EMNLP 2017: 140-147 - [c36]Ahmet Aker, Leon Derczynski, Kalina Bontcheva:
Simple Open Stance Classification for Rumour Analysis. RANLP 2017: 31-39 - [c35]Leon Derczynski, Kalina Bontcheva, Maria Liakata, Rob Procter, Geraldine Wong Sak Hoi, Arkaitz Zubiaga:
SemEval-2017 Task 8: RumourEval: Determining rumour veracity and support for rumours. SemEval@ACL 2017: 69-76 - [e2]Leon Derczynski, Wei Xu, Alan Ritter, Tim Baldwin:
Proceedings of the 3rd Workshop on Noisy User-generated Text, NUT@EMNLP 2017, Copenhagen, Denmark, September 7, 2017. Association for Computational Linguistics 2017, ISBN 978-1-945626-94-4 [contents] - [i20]Isabelle Augenstein, Leon Derczynski, Kalina Bontcheva:
Generalisation in Named Entity Recognition: A Quantitative Analysis. CoRR abs/1701.02877 (2017) - [i19]Leon Derczynski, Kalina Bontcheva, Maria Liakata, Rob Procter, Geraldine Wong Sak Hoi, Arkaitz Zubiaga:
SemEval-2017 Task 8: RumourEval: Determining rumour veracity and support for rumours. CoRR abs/1704.05972 (2017) - [i18]Ahmet Aker, Leon Derczynski, Kalina Bontcheva:
Simple Open Stance Classification for Rumour Analysis. CoRR abs/1708.05286 (2017) - [i17]Leon Derczynski, Matthew Rowe:
Tracking the Diffusion of Named Entities. CoRR abs/1712.08349 (2017) - 2016
- [c34]Leon Derczynski, Sean Chester:
Generalised Brown Clustering and Roll-Up Feature Generation. AAAI 2016: 1533-1539 - [c33]Bo Han, Afshin Rahimi, Leon Derczynski, Timothy Baldwin:
Twitter Geolocation Prediction Shared Task of the 2016 Workshop on Noisy User-generated Text. NUT@COLING 2016: 213-217 - [c32]Leon Derczynski, Kalina Bontcheva, Ian Roberts:
Broad Twitter Corpus: A Diverse Named Entity Recognition Resource. COLING 2016: 1169-1179 - [c31]Leon Derczynski:
Representation and Learning of Temporal Relations. COLING 2016: 1937-1948 - [c30]Leon Derczynski:
Complementarity, F-score, and NLP Evaluation. LREC 2016 - [c29]Leon Derczynski, Jannik Strötgen, Diana Maynard, Mark A. Greenwood, Manuel Jung:
GATE-Time: Extraction of Temporal Expressions and Events. LREC 2016 - [c28]Steven Bethard, Guergana Savova, Wei-Te Chen, Leon Derczynski, James Pustejovsky, Marc Verhagen:
SemEval-2016 Task 12: Clinical TempEval. SemEval@NAACL-HLT 2016 - [e1]Bo Han, Alan Ritter, Leon Derczynski, Wei Xu, Tim Baldwin:
Proceedings of the 2nd Workshop on Noisy User-generated Text, NUT@COLING 2016, Osaka, Japan, December 11, 2016. The COLING 2016 Organizing Committee 2016 [contents] - [i16]Leon Derczynski:
Desiderata for Vector-Space Word Representations. CoRR abs/1608.02094 (2016) - 2015
- [j2]Leon Derczynski, Diana Maynard, Giuseppe Rizzo, Marieke van Erp, Genevieve Gorrell, Raphaël Troncy, Johann Petrak, Kalina Bontcheva:
Analysis of named entity recognition and linking for tweets. Inf. Process. Manag. 51(2): 32-49 (2015) - [j1]Leon Derczynski, Jannik Strötgen, Ricardo Campos, Omar Alonso:
Time and information retrieval: Introduction to the special issue. Inf. Process. Manag. 51(6): 786-790 (2015) - [c27]Leon Derczynski, Isabelle Augenstein, Kalina Bontcheva:
USFD: Twitter NER with Drift Compensation and Linked Data. NUT@IJCNLP 2015: 48-53 - [c26]Leon Derczynski, Sean Chester, Kenneth S. Bøgh:
Tune Your Brown Clustering, Please. RANLP 2015: 110-117 - [c25]Leon Derczynski, Robert J. Gaizauskas:
Temporal Relation Classification using a Model of Tense and Aspect. RANLP 2015: 118-122 - [c24]Leon Derczynski, Kalina Bontcheva:
Efficient Named Entity Annotation through Pre-empting. RANLP 2015: 123-130 - [c23]Fatih Uzdilli, Martin Jaggi, Dominic Egger, Pascal Julmy, Leon Derczynski, Mark Cieliebak:
Swiss-Chocolate: Combining Flipout Regularization and Random Forests with Artificially Built Subsystems to Boost Text-Classification for Sentiment. SemEval@NAACL-HLT 2015: 608-612 - [c22]Steven Bethard, Leon Derczynski, Guergana Savova, James Pustejovsky, Marc Verhagen:
SemEval-2015 Task 6: Clinical TempEval. SemEval@NAACL-HLT 2015: 806-814 - [c21]Hegler Tissot, Genevieve Gorrell, Angus Roberts, Leon Derczynski, Marcos Didonet Del Fabro:
UFPRSheffield: Contrasting Rule-based and Support Vector Machine Approaches to Time Expression Identification in Clinical TempEval. SemEval@NAACL-HLT 2015: 835-839 - [c20]Martin Leginus, Leon Derczynski, Peter Dolog:
Entity Grouping for Accessing Social Streams via Word Clouds. WEBIST (Revised Selected Papers) 2015: 3-24 - [c19]Martin Leginus, Leon Derczynski, Peter Dolog:
Enhanced Information Access to Social Streams Through Word Clouds with Entity Grouping. WEBIST 2015: 183-193 - [i15]Leon Derczynski, Isabelle Augenstein, Kalina Bontcheva:
USFD: Twitter NER with Drift Compensation and Linked Data. CoRR abs/1511.03088 (2015) - 2014
- [c18]Leon Derczynski, Camilla Vilhelmsen Field, Kenneth S. Bøgh:
DKIE: Open Source Information Extraction for Danish. EACL 2014: 61-64 - [c17]Leon Derczynski, Kalina Bontcheva:
Passive-Aggressive Sequence Labeling with Discriminative Post-Editing for Recognising Person Entities in Tweets. EACL 2014: 69-73 - [c16]Kalina Bontcheva, Ian Roberts, Leon Derczynski, Dominic Paul Rout:
The GATE Crowdsourcing Plugin: Crowdsourcing Annotated Corpora Made Easy. EACL 2014: 97-100 - [c15]Marta Sabou, Kalina Bontcheva, Leon Derczynski, Arno Scharl:
Corpus Annotation through Crowdsourcing: Towards Best Practice Guidelines. LREC 2014: 859-866 - [c14]Leon Derczynski, Kalina Bontcheva:
Pheme: Veracity in Digital Social Networks. UMAP Workshops 2014 - [i14]Steven Bethard, Leon Derczynski, James Pustejovsky, Marc Verhagen:
Clinical TempEval. CoRR abs/1403.4928 (2014) - [i13]Leon Derczynski, Diana Maynard, Giuseppe Rizzo, Marieke van Erp, Genevieve Gorrell, Raphaël Troncy, Johann Petrak, Kalina Bontcheva:
Analysis of Named Entity Recognition and Linking for Tweets. CoRR abs/1410.7182 (2014) - 2013
- [c13]Leon Derczynski, Robert J. Gaizauskas:
Temporal Signals Help Label Temporal Relations. ACL (2) 2013: 645-650 - [c12]Leon Derczynski, Bin Yang, Christian S. Jensen:
Towards context-aware search and analysis on social media data. EDBT 2013: 137-142 - [c11]Leon Derczynski, Diana Maynard, Niraj Aswani, Kalina Bontcheva:
Microblog-genre noise and impact on semantic annotation accuracy. HT 2013: 21-30 - [c10]Leon Derczynski, Robert J. Gaizauskas:
Information Retrieval for Temporal Bounding. ICTIR 2013: 29 - [c9]Leon Derczynski, Robert J. Gaizauskas:
Empirical Validation of Reichenbach's Tense Framework. IWCS 2013: 71-82 - [c8]Kalina Bontcheva, Leon Derczynski, Adam Funk, Mark A. Greenwood, Diana Maynard, Niraj Aswani:
TwitIE: An Open-Source Information Extraction Pipeline for Microblog Text. RANLP 2013: 83-90 - [c7]Matteo Brucato, Leon Derczynski, Hector Llorens, Kalina Bontcheva, Christian S. Jensen:
Recognising and Interpreting Named Temporal Expressions. RANLP 2013: 113-121 - [c6]Leon Derczynski, Alan Ritter, Sam Clark, Kalina Bontcheva:
Twitter Part-of-Speech Tagging for All: Overcoming Sparse and Noisy Data. RANLP 2013: 198-206 - [c5]Naushad UzZaman, Hector Llorens, Leon Derczynski, James F. Allen, Marc Verhagen, James Pustejovsky:
SemEval-2013 Task 1: TempEval-3: Evaluating Time Expressions, Events, and Temporal Relations. SemEval@NAACL-HLT 2013: 1-9 - [i12]Leon Derczynski, Richard Shaw, Ben Solway, Jun Wang:
Question Answering Against Very-Large Text Collections. CoRR abs/1304.7157 (2013) - [i11]Leon Derczynski, Hector Llorens, Naushad UzZaman:
TimeML-strict: clarifying temporal annotation. CoRR abs/1304.7289 (2013) - 2012
- [c4]Hector Llorens, Leon Derczynski, Robert J. Gaizauskas, Estela Saquete:
TIMEN: An Open Temporal Expression Normalisation Resource. LREC 2012: 3044-3051 - [c3]Leon Derczynski, Hector Llorens, Estela Saquete:
Massively Increasing TIMEX3 Resources: A Transduction Approach. LREC 2012: 3754-3761 - [i10]Leon Derczynski, Robert J. Gaizauskas:
Analysing Temporally Annotated Corpora with CAVaT. CoRR abs/1203.5051 (2012) - [i9]Leon Derczynski, Robert J. Gaizauskas:
Using Signals to Improve Automatic Classification of Temporal Relations. CoRR abs/1203.5055 (2012) - [i8]Leon Derczynski, Robert J. Gaizauskas:
USFD2: Annotating Temporal Expresions and TLINKs for TempEval-2. CoRR abs/1203.5060 (2012) - [i7]Leon Derczynski, Robert J. Gaizauskas:
An Annotation Scheme for Reichenbach's Verbal Tense Structure. CoRR abs/1203.5062 (2012) - [i6]Leon Derczynski, Robert J. Gaizauskas:
A Corpus-based Study of Temporal Signals. CoRR abs/1203.5066 (2012) - [i5]Amev Burman, Arun Jayapal, Sathish Kannan, Madhu Kavilikatta, Ayman Alhelbawy, Leon Derczynski, Robert J. Gaizauskas:
USFD at KBP 2011: Entity Linking, Slot Filling and Temporal Bounding. CoRR abs/1203.5073 (2012) - [i4]Leon Derczynski, Hector Llorens, Estela Saquete:
Massively Increasing TIMEX3 Resources: A Transduction Approach. CoRR abs/1203.5076 (2012) - [i3]Leon Derczynski, Jun Wang, Robert J. Gaizauskas, Mark A. Greenwood:
A Data Driven Approach to Query Expansion in Question Answering. CoRR abs/1203.5084 (2012) - [i2]Naushad UzZaman, Hector Llorens, James F. Allen, Leon Derczynski, Marc Verhagen, James Pustejovsky:
TempEval-3: Evaluating Events, Time Expressions, and Temporal Relations. CoRR abs/1206.5333 (2012) - 2011
- [i1]Amev Burman, Arun Jayapal, Sathish Kannan, Madhu Kavilikatta, Ayman Alhelbawy, Leon Derczynski, Robert J. Gaizauskas:
USFD at KBP 2011: Entity Linking, Slot Filling and Temporal Bounding. TAC 2011 - 2010
- [c2]Leon Derczynski, Robert J. Gaizauskas:
Analysing Temporally Annotated Corpora with CAVaT. LREC 2010 - [c1]Leon Derczynski, Robert J. Gaizauskas:
USFD2: Annotating Temporal Expresions and TLINKs for TempEval-2. SemEval@ACL 2010: 337-340
Coauthor Index