Effects of head movement on perceptions of humanoid robot behavior. - Emily Wang; Constantine Lignos; Ashish Vatsal; Brian Scassellati (HRI, 2006)

A Rule-Based Acquisition Model Adapted for Morphological Analysis. - Constantine Lignos; Erwin Chan; Mitchell P. Marcus; Charles Yang 001 (CLEF (1), 2009)

A Rule-Based Unsupervised Morphology Learning Framework. - Constantine Lignos; Erwin Chan; Mitchell P. Marcus; Charles Yang 001 (CLEF (Working Notes), 2009)

Recession Segmentation: Simpler Online Word Segmentation Using Limited Resources. - Constantine Lignos; Charles Yang 001 (CoNLL, 2010)

Modeling Infant Word Segmentation. - Constantine Lignos (CoNLL, 2011)

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 (HRI, 2012)

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 (Robotics: Science and Systems, 2013)

Provably correct reactive control from natural language. - Constantine Lignos; Vasumathi Raman; Cameron Finucane; Mitchell P. Marcus; Hadas Kress-Gazit (Auton. Robots, 2015)

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)

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 (ACL (3), 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 (EMNLP/IJCNLP (1), 2019)

Real-World Causal Relationship Discovery from Text. - Constantine Lignos; Chester Palen-Michel; Oskar Singer; Pedro A. Szekely; Elizabeth Boschee (ISWC (Satellites), 2019)

If You Build Your Own NER Scorer, Non-replicable Results Will Come. - Constantine Lignos; Marjan Kamyab (Insights, 2020)

The Effectiveness of Morphology-aware Segmentation in Low-Resource Neural Machine Translation. - Jonne Sälevä; Constantine Lignos (EACL (Student Research Workshop), 2021)

TMR: Evaluating NER Recall on Tough Mentions. - Jingxuan Tu; Constantine Lignos (EACL (Student Research Workshop), 2021)

SeqScore: Addressing Barriers to Reproducible Named Entity Recognition Evaluation. - Chester Palen-Michel; Nolan Holley; Constantine Lignos (Eval4NLP, 2021)

Macro-Average: Rare Types Are Important Too. - Thamme Gowda; Weiqiu You; Constantine Lignos; Jonathan May (NAACL-HLT, 2021)

Mining Wikidata for Name Resources for African Languages. - Jonne Sälevä; Constantine Lignos (AfricaNLP, 2021)

Addressing Barriers to Reproducible Named Entity Recognition Evaluation. - Chester Palen-Michel; Nolan Holley; Constantine Lignos (CoRR, 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)

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 002; Israel Abebe Azime; et al. (Trans. Assoc. Comput. Linguistics, 2021)

Toward More Meaningful Resources for Lower-resourced Languages. - Constantine Lignos; Nolan Holley; Chester Palen-Michel; Jonne Sälevä (ACL (Findings), 2022)

Detecting Unassimilated Borrowings in Spanish: An Annotated Corpus and Approaches to Modeling. - Elena Álvarez Mellado; Constantine Lignos (ACL (1), 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; et al. (EMNLP, 2022)

Borrowing or Codeswitching? Annotating for Finer-Grained Distinctions in Language Mixing. - Elena Álvarez Mellado; Constantine Lignos (LREC, 2022)

Multilingual Open Text Release 1: Public Domain News in 44 Languages. - Chester Palen-Michel; June Kim; Constantine Lignos (LREC, 2022)

Multilingual Open Text 1.0: Public Domain News in 44 Languages. - Chester Palen-Michel; June Kim; Constantine Lignos (CoRR, 2022)

ParaNames: A Massively Multilingual Entity Name Corpus. - Jonne Sälevä; Constantine Lignos (CoRR, 2022)

LR-Sum: Summarization for Less-Resourced Languages. - Chester Palen-Michel; Constantine Lignos (ACL (Findings), 2023)

What changes when you randomly choose BPE merge operations? Not much. - Jonne Sälevä; Constantine Lignos (CoRR, 2023)

Language Model Priors and Data Augmentation Strategies for Low-resource Machine Translation: A Case Study Using Finnish to Northern Sámi. - Jonne Sälevä; Constantine Lignos (ACL (Findings), 2024)

QueryNER: Segmentation of E-commerce Queries. - Chester Palen-Michel; Lizzie Liang; Zhe Wu; Constantine Lignos (LREC/COLING, 2024)

CoNLL#: Fine-grained Error Analysis and a Corrected Test Set for CoNLL-03 English. - Andrew Rueda; Elena Álvarez Mellado; Constantine Lignos (LREC/COLING, 2024)

ParaNames 1.0: Creating an Entity Name Corpus for 400+ Languages Using Wikidata. - Jonne Sälevä; Constantine Lignos (LREC/COLING, 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)

MetaMeme: A Dataset for Meme Template and Meta-Category Classification. - Benjamin Lambright; Jordan Youner; Constantine Lignos (NAACL (Student Research Workshop), 2025)

Overview of ADoBo at IberLEF 2025: Automatic Detection of Anglicisms in Spanish. - Elena Álvarez Mellado; Jordi Porta-Zamorano; Constantine Lignos; Julio Gonzalo (CoRR, 2025)