Constantine Lignos

According to our database, Constantine Lignos authored at least 35 papers between 2006 and 2024.

Collaborative distances:

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

2024

OpenNER 1.0: Standardized Open-Access Named Entity Recognition Datasets in 50+ Languages.

Chester Palen-Michel, Maxwell Pickering, Maya Kruse, Jonne Sälevä, Constantine Lignos

CoRR, 2024

ParaNames 1.0: Creating an Entity Name Corpus for 400+ Languages Using Wikidata.

Jonne Sälevä, Constantine Lignos

Proceedings of the 2024 Joint International Conference on Computational Linguistics, 2024

CoNLL#: Fine-grained Error Analysis and a Corrected Test Set for CoNLL-03 English.

Andrew Rueda, Elena Álvarez Mellado, Constantine Lignos

Proceedings of the 2024 Joint International Conference on Computational Linguistics, 2024

QueryNER: Segmentation of E-commerce Queries.

Chester Palen-Michel, Lizzie Liang, Zhe Wu, Constantine Lignos

Proceedings of the 2024 Joint International Conference on Computational Linguistics, 2024

Language Model Priors and Data Augmentation Strategies for Low-resource Machine Translation: A Case Study Using Finnish to Northern Sámi.

Jonne Sälevä, Constantine Lignos

Proceedings of the Findings of the Association for Computational Linguistics, 2024

2023

What changes when you randomly choose BPE merge operations? Not much.

Jonne Sälevä, Constantine Lignos

CoRR, 2023

LR-Sum: Summarization for Less-Resourced Languages.

Chester Palen-Michel, Constantine Lignos

Proceedings of the Findings of the Association for Computational Linguistics: ACL 2023, 2023

2022

ParaNames: A Massively Multilingual Entity Name Corpus.

Jonne Sälevä, Constantine Lignos

CoRR, 2022

Multilingual Open Text 1.0: Public Domain News in 44 Languages.

Chester Palen-Michel, June Kim, Constantine Lignos

CoRR, 2022

Multilingual Open Text Release 1: Public Domain News in 44 Languages.

Chester Palen-Michel, June Kim, Constantine Lignos

Proceedings of the Thirteenth Language Resources and Evaluation Conference, 2022

Borrowing or Codeswitching? Annotating for Finer-Grained Distinctions in Language Mixing.

Elena Álvarez Mellado, Constantine Lignos

Proceedings of the Thirteenth Language Resources and Evaluation Conference, 2022

MasakhaNER 2.0: Africa-centric Transfer Learning for Named Entity Recognition.

David Ifeoluwa Adelani, Graham Neubig, Sebastian Ruder, Shruti Rijhwani, Michael Beukman, Chester Palen-Michel, Constantine Lignos, Jesujoba O. Alabi, Shamsuddeen Hassan Muhammad, Peter Nabende, Cheikh M. Bamba Dione, Andiswa Bukula, Rooweither Mabuya, Bonaventure F. P. Dossou, Blessing K. Sibanda, Happy Buzaaba, Jonathan Mukiibi, Godson Kalipe, Derguene Mbaye, Amelia V. Taylor, Fatoumata Ouoba Kabore, Chris Chinenye Emezue, Aremu Anuoluwapo, Perez Ogayo, Catherine Gitau, Edwin Munkoh-Buabeng, Victoire Memdjokam Koagne, Allahsera Auguste Tapo, Tebogo Macucwa, Vukosi Marivate, Elvis Mboning, Tajuddeen Gwadabe, Tosin P. Adewumi, Orevaoghene Ahia, Joyce Nakatumba-Nabende, Neo L. Mokono, Ignatius Ezeani, Chiamaka Chukwuneke, Mofetoluwa Adeyemi, Gilles Hacheme, Idris Abdulmumin, Odunayo Ogundepo, Oreen Yousuf, Tatiana Moteu Ngoli, Dietrich Klakow

Proceedings of the 2022 Conference on Empirical Methods in Natural Language Processing, 2022

Detecting Unassimilated Borrowings in Spanish: An Annotated Corpus and Approaches to Modeling.

Elena Álvarez Mellado, Constantine Lignos

Proceedings of the 60th Annual Meeting of the Association for Computational Linguistics (Volume 1: Long Papers), 2022

Toward More Meaningful Resources for Lower-resourced Languages.

Constantine Lignos, Nolan Holley, Chester Palen-Michel, Jonne Sälevä

Proceedings of the Findings of the Association for Computational Linguistics: ACL 2022, 2022

2021

MasakhaNER: Named Entity Recognition for African Languages.

David Ifeoluwa Adelani, Jade Z. Abbott, Graham Neubig, Daniel D'souza, Julia Kreutzer, Constantine Lignos, Chester Palen-Michel, Happy Buzaaba, Shruti Rijhwani, Sebastian Ruder, Stephen Mayhew, Israel Abebe Azime, Shamsuddeen Hassan Muhammad, Chris Chinenye Emezue, Joyce Nakatumba-Nabende, Perez Ogayo, Aremu Anuoluwapo, Catherine Gitau, Derguene Mbaye, Jesujoba O. Alabi, Seid Muhie Yimam, Tajuddeen Gwadabe, Ignatius Ezeani, Rubungo Andre Niyongabo, Jonathan Mukiibi, Verrah Otiende, Iroro Orife, Davis David, Samba Ngom, Tosin P. Adewumi, Paul Rayson, Mofetoluwa Adeyemi, Gerald Muriuki, Emmanuel Anebi, Chiamaka Chukwuneke, Nkiruka Odu, Eric Peter Wairagala, Samuel Oyerinde, Clemencia Siro, Tobius Saul Bateesa, Temilola Oloyede, Yvonne Wambui, Victor Akinode, Deborah Nabagereka, Maurice Katusiime, Ayodele Awokoya, Mouhamadane Mboup, Dibora Gebreyohannes, Henok Tilaye, Kelechi Nwaike, Degaga Wolde, Abdoulaye Faye, Blessing K. Sibanda, Orevaoghene Ahia, Bonaventure F. P. Dossou, Kelechi Ogueji, Thierno Ibrahima Diop, Abdoulaye Diallo, Adewale Akinfaderin, Tendai Marengereke, Salomey Osei

Trans. Assoc. Comput. Linguistics, 2021

Overview of ADoBo 2021: Automatic Detection of Unassimilated Borrowings in the Spanish Press.

Elena Álvarez Mellado, Luis Espinosa Anke, Julio Gonzalo Arroyo, Constantine Lignos, Jordi Porta Zamorano

Proces. del Leng. Natural, 2021

Addressing Barriers to Reproducible Named Entity Recognition Evaluation.

Chester Palen-Michel, Nolan Holley, Constantine Lignos

CoRR, 2021

Mining Wikidata for Name Resources for African Languages.

Jonne Sälevä, Constantine Lignos

Proceedings of the 2nd AfricaNLP Workshop Proceedings, AfricaNLP@EACL 2021, Virtual Event, 2021

Macro-Average: Rare Types Are Important Too.

Thamme Gowda, Weiqiu You, Constantine Lignos, Jonathan May

Proceedings of the 2021 Conference of the North American Chapter of the Association for Computational Linguistics: Human Language Technologies, 2021

SeqScore: Addressing Barriers to Reproducible Named Entity Recognition Evaluation.

Chester Palen-Michel, Nolan Holley, Constantine Lignos

Proceedings of the 2nd Workshop on Evaluation and Comparison of NLP Systems, 2021

TMR: Evaluating NER Recall on Tough Mentions.

Jingxuan Tu, Constantine Lignos

Proceedings of the 16th Conference of the European Chapter of the Association for Computational Linguistics: Student Research Workshop, 2021

The Effectiveness of Morphology-aware Segmentation in Low-Resource Neural Machine Translation.

Jonne Sälevä, Constantine Lignos

Proceedings of the 16th Conference of the European Chapter of the Association for Computational Linguistics: Student Research Workshop, 2021

2020

If You Build Your Own NER Scorer, Non-replicable Results Will Come.

Constantine Lignos, Marjan Kamyab

Proceedings of the First Workshop on Insights from Negative Results in NLP, 2020

2019

Real-World Causal Relationship Discovery from Text.

Constantine Lignos, Chester Palen-Michel, Oskar Singer, Pedro A. Szekely, Elizabeth Boschee

Proceedings of the ISWC 2019 Satellite Tracks (Posters & Demonstrations, 2019

The Challenges of Optimizing Machine Translation for Low Resource Cross-Language Information Retrieval.

Constantine Lignos, Daniel Cohen, Yen-Chieh Lien, Pratik Mehta, W. Bruce Croft, Scott Miller

Proceedings of the 2019 Conference on Empirical Methods in Natural Language Processing and the 9th International Joint Conference on Natural Language Processing, 2019

SARAL: A Low-Resource Cross-Lingual Domain-Focused Information Retrieval System for Effective Rapid Document Triage.

Elizabeth Boschee, Joel Barry, Jayadev Billa, Marjorie Freedman, Thamme Gowda, Constantine Lignos, Chester Palen-Michel, Michael Pust, Banriskhem K. Khonglah, Srikanth R. Madikeri, Jonathan May, Scott Miller

Proceedings of the 57th Conference of the Association for Computational Linguistics, 2019

2018

Combining rule-based and statistical mechanisms for low-resource named entity recognition.

Ryan Gabbard, Jay DeYoung, Constantine Lignos, Marjorie Freedman, Ralph M. Weischedel

Mach. Transl., 2018

2015

Provably correct reactive control from natural language.

Constantine Lignos, Vasumathi Raman, Cameron Finucane, Mitchell P. Marcus, Hadas Kress-Gazit

Auton. Robots, 2015

2013

Sorry Dave, I'm Afraid I Can't Do That: Explaining Unachievable Robot Tasks Using Natural Language.

Vasumathi Raman, Constantine Lignos, Cameron Finucane, Kenton C. T. Lee, Mitchell P. Marcus, Hadas Kress-Gazit

Proceedings of the Robotics: Science and Systems IX, Technische Universität Berlin, Berlin, Germany, June 24, 2013

2012

Situation understanding bot through language and environment.

Daniel J. Brooks, Constantine Lignos, Mikhail S. Medvedev, Ian Perera, Cameron Finucane, Vasumathi Raman, Abraham Shultz, Sean McSheehy, Adam Norton, Hadas Kress-Gazit, Mitchell P. Marcus, Holly A. Yanco

Proceedings of the International Conference on Human-Robot Interaction, 2012

2011

Modeling Infant Word Segmentation.

Constantine Lignos

Proceedings of the Fifteenth Conference on Computational Natural Language Learning, 2011

2010

Recession Segmentation: Simpler Online Word Segmentation Using Limited Resources.

Constantine Lignos, Charles Yang

Proceedings of the Fourteenth Conference on Computational Natural Language Learning, 2010

2009

A Rule-Based Unsupervised Morphology Learning Framework.

Constantine Lignos, Erwin Chan, Mitchell P. Marcus, Charles Yang

Proceedings of the Working Notes for CLEF 2009 Workshop co-located with the 13th European Conference on Digital Libraries (ECDL 2009) , Corfù, Greece, September 30, 2009

A Rule-Based Acquisition Model Adapted for Morphological Analysis.

Constantine Lignos, Erwin Chan, Mitchell P. Marcus, Charles Yang

Proceedings of the Multilingual Information Access Evaluation I. Text Retrieval Experiments, 2009

2006

Effects of head movement on perceptions of humanoid robot behavior.

Emily Wang, Constantine Lignos, Ashish Vatsal, Brian Scassellati

Proceedings of the 1st ACM SIGCHI/SIGART Conference on Human-Robot Interaction, 2006