Constantine Lignos

Publication Activity (10 Years)

Years Active: 2006-2024
Publications (10 Years): 39

Top Topics

Named Entity Recognition

Information Retrieval

Semantic Dependencies

Annotated Corpus

Top Venues

Publications

Jonne Sälevä, Constantine Lignos
ParaNames 1.0: Creating an Entity Name Corpus for 400+ Languages Using Wikidata. LREC/COLING (2024)
Jonne Sälevä, Constantine Lignos
ParaNames 1.0: Creating an Entity Name Corpus for 400+ Languages using Wikidata. CoRR (2024)
Andrew Rueda, Elena Álvarez Mellado, Constantine Lignos
CoNLL#: Fine-grained Error Analysis and a Corrected Test Set for CoNLL-03 English. LREC/COLING (2024)
Chester Palen-Michel, Lizzie Liang, Zhe Wu, Constantine Lignos
QueryNER: Segmentation of E-commerce Queries. LREC/COLING (2024)
Jonne Sälevä, Constantine Lignos
Language Model Priors and Data Augmentation Strategies for Low-resource Machine Translation: A Case Study Using Finnish to Northern Sámi. ACL (Findings) (2024)
Andrew Rueda, Elena Álvarez Mellado, Constantine Lignos
CoNLL#: Fine-grained Error Analysis and a Corrected Test Set for CoNLL-03 English. CoRR (2024)
Chester Palen-Michel, Lizzie Liang, Zhe Wu, Constantine Lignos
QueryNER: Segmentation of E-commerce Queries. CoRR (2024)
Jonne Sälevä, Constantine Lignos
What changes when you randomly choose BPE merge operations? Not much. CoRR (2023)
Chester Palen-Michel, Constantine Lignos
LR-Sum: Summarization for Less-Resourced Languages. ACL (Findings) (2023)
Jonne Sälevä, Constantine Lignos
ParaNames: A Massively Multilingual Entity Name Corpus. CoRR (2022)
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
MasakhaNER 2.0: Africa-centric Transfer Learning for Named Entity Recognition. EMNLP (2022)
Chester Palen-Michel, Constantine Lignos
LR-Sum: Summarization for Less-Resourced Languages. CoRR (2022)
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 Sibanda, Happy Buzaaba, Jonathan Mukiibi, Godson Kalipe, Derguene Mbaye, Amelia 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
MasakhaNER 2.0: Africa-centric Transfer Learning for Named Entity Recognition. CoRR (2022)
Constantine Lignos, Nolan Holley, Chester Palen-Michel, Jonne Sälevä
Toward More Meaningful Resources for Lower-resourced Languages. ACL (Findings) (2022)
Chester Palen-Michel, June Kim, Constantine Lignos
Multilingual Open Text 1.0: Public Domain News in 44 Languages. CoRR (2022)
Elena Álvarez Mellado, Constantine Lignos
Borrowing or Codeswitching? Annotating for Finer-Grained Distinctions in Language Mixing. LREC (2022)
Chester Palen-Michel, June Kim, Constantine Lignos
Multilingual Open Text Release 1: Public Domain News in 44 Languages. LREC (2022)
Constantine Lignos, Nolan Holley, Chester Palen-Michel, Jonne Sälevä
Toward More Meaningful Resources for Lower-resourced Languages. CoRR (2022)
Elena Álvarez Mellado, Constantine Lignos
Detecting Unassimilated Borrowings in Spanish: An Annotated Corpus and Approaches to Modeling. ACL (1) (2022)
Elena Álvarez Mellado, Constantine Lignos
Detecting Unassimilated Borrowings in Spanish: An Annotated Corpus and Approaches to Modeling. CoRR (2022)
Elena Álvarez Mellado, Constantine Lignos
Borrowing or Codeswitching? Annotating for Finer-Grained Distinctions in Language Mixing. CoRR (2022)
Jonne Sälevä, Constantine Lignos
The Effectiveness of Morphology-aware Segmentation in Low-Resource Neural Machine Translation. CoRR (2021)
Jonne Sälevä, Constantine Lignos
Mining Wikidata for Name Resources for African Languages. CoRR (2021)
Jingxuan Tu, Constantine Lignos
TMR: Evaluating NER Recall on Tough Mentions. EACL (Student Research Workshop) (2021)
Jingxuan Tu, Constantine Lignos
TMR: Evaluating NER Recall on Tough Mentions. CoRR (2021)
Chester Palen-Michel, Nolan Holley, Constantine Lignos
SeqScore: Addressing Barriers to Reproducible Named Entity Recognition Evaluation. Eval4NLP (2021)
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 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 Sibanda, Orevaoghene Ahia, Bonaventure F. P. Dossou, Kelechi Ogueji, Thierno Ibrahima Diop, Abdoulaye Diallo, Adewale Akinfaderin, Tendai Marengereke, Salomey Osei
MasakhaNER: Named Entity Recognition for African Languages. Trans. Assoc. Comput. Linguistics 9 (2021)
Elena Álvarez Mellado, Luis Espinosa Anke, Julio Gonzalo Arroyo, Constantine Lignos, Jordi Porta Zamorano
Overview of ADoBo 2021: Automatic Detection of Unassimilated Borrowings in the Spanish Press. CoRR (2021)
Chester Palen-Michel, Nolan Holley, Constantine Lignos
Addressing Barriers to Reproducible Named Entity Recognition Evaluation. CoRR (2021)
Jonne Sälevä, Constantine Lignos
The Effectiveness of Morphology-aware Segmentation in Low-Resource Neural Machine Translation. EACL (Student Research Workshop) (2021)
Thamme Gowda, Weiqiu You, Constantine Lignos, Jonathan May
Macro-Average: Rare Types Are Important Too. NAACL-HLT (2021)
Elena Álvarez Mellado, Luis Espinosa Anke, Julio Gonzalo Arroyo, Constantine Lignos, Jordi Porta Zamorano
Overview of ADoBo 2021: Automatic Detection of Unassimilated Borrowings in the Spanish Press. Proces. del Leng. Natural 67 (2021)
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 Sibanda, Orevaoghene Ahia, Bonaventure F. P. Dossou, Kelechi Ogueji, Thierno Ibrahima Diop, Abdoulaye Diallo, Adewale Akinfaderin, Tendai Marengereke, Salomey Osei
MasakhaNER: Named Entity Recognition for African Languages. CoRR (2021)
Thamme Gowda, Weiqiu You, Constantine Lignos, Jonathan May
Macro-Average: Rare Types Are Important Too. CoRR (2021)
Constantine Lignos, Marjan Kamyab
If You Build Your Own NER Scorer, Non-replicable Results Will Come. Insights (2020)
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
SARAL: A Low-Resource Cross-Lingual Domain-Focused Information Retrieval System for Effective Rapid Document Triage. ACL (3) (2019)
Constantine Lignos, Chester Palen-Michel, Oskar Singer, Pedro A. Szekely, Elizabeth Boschee
Real-World Causal Relationship Discovery from Text. ISWC (Satellites) (2019)
Constantine Lignos, Daniel Cohen, Yen-Chieh Lien, Pratik Mehta, W. Bruce Croft, Scott Miller
The Challenges of Optimizing Machine Translation for Low Resource Cross-Language Information Retrieval. EMNLP/IJCNLP (1) (2019)
Ryan Gabbard, Jay DeYoung, Constantine Lignos, Marjorie Freedman, Ralph M. Weischedel
Combining rule-based and statistical mechanisms for low-resource named entity recognition. Mach. Transl. 32 (1-2) (2018)
Constantine Lignos, Vasumathi Raman, Cameron Finucane, Mitchell P. Marcus, Hadas Kress-Gazit
Provably correct reactive control from natural language. Auton. Robots 38 (1) (2015)
Vasumathi Raman, Constantine Lignos, Cameron Finucane, Kenton C. T. Lee, Mitchell P. Marcus, Hadas Kress-Gazit
Sorry Dave, I'm Afraid I Can't Do That: Explaining Unachievable Robot Tasks Using Natural Language. Robotics: Science and Systems (2013)
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
Situation understanding bot through language and environment. HRI (2012)
Constantine Lignos
Modeling Infant Word Segmentation. CoNLL (2011)
Constantine Lignos, Charles Yang
Recession Segmentation: Simpler Online Word Segmentation Using Limited Resources. CoNLL (2010)
Constantine Lignos, Erwin Chan, Mitchell P. Marcus, Charles Yang
A Rule-Based Unsupervised Morphology Learning Framework. CLEF (Working Notes) (2009)
Constantine Lignos, Erwin Chan, Mitchell P. Marcus, Charles Yang
A Rule-Based Acquisition Model Adapted for Morphological Analysis. CLEF (1) (2009)
Emily Wang, Constantine Lignos, Ashish Vatsal, Brian Scassellati
Effects of head movement on perceptions of humanoid robot behavior. HRI (2006)