2023
MReFinED: An efficient end-to-end multilingual entity linking system
Peerat Limkonchotiwat, Weiwei Cheng, Christos
Christodoulopoulos, Amir Saffari, and Jens Lehmann
In Proceedings of EMNLP 2023
@inproceedings{Limkonchotiwat2023Mrefined,
author = {Peerat Limkonchotiwat and Weiwei Cheng and Christos Christodoulopoulos and Amir
Saffari and Jens Lehmann},
title = {{MReFinED}: An efficient end-to-end multilingual entity linking system},
year = {2023},
booktitle = {Proceedings of the 2023 Conference on Empirical Methods in Natural Language
Processing},
}
A taxonomy and review of generalization research in NLP
Dieuwke Hupkes, Mario Giulianelli, Verna Dankers, Mikel Artetxe, Yanai Elazar,
Tiago Pimentel, Christos Christodoulopoulos, Karim Lasri, Naomi Saphra, Arabella Sinclair,
Dennis Ulmer, Florian Schottmann, Khuyagbaatar Batsuren, Kaiser Sun, Koustuv Sinha, Leila
Khalatbari, Maria Ryskina, Rita Frieske, Ryan Cotterell, and Zhijing Jin
Nature Machine Intelligence 5(10)
@article{hupkes2023taxonomy,
title={A taxonomy and review of generalization research in NLP},
author={Hupkes, Dieuwke and Giulianelli, Mario and Dankers, Verna and Artetxe, Mikel and Elazar,
Yanai and Pimentel, Tiago and Christodoulopoulos, Christos and Lasri, Karim and Saphra, Naomi
and Sinclair, Arabella and others},
journal={Nature Machine Intelligence},
volume={5},
number={10},
pages={1161--1174},
year={2023},
publisher={Nature Publishing Group UK London}
}
WebIE: Faithful and Robust Information Extraction on the Web
Chenxi Whitehouse, Clara Vania, Alham Fikri Aji, Christos
Christodoulopoulos, and Andrea Pierleoni
In Proceedings of ACL 2023
@inproceedings{Whitehouse23Webie,
author = {Whitehouse, Chenxi and Vania, Clara and Aji, Alham Fikri and Christodoulopoulos,
Christos and Pierleoni, Andrea},
title = {{WebIE}: Faithful and Robust Information Extraction on the Web},
booktitle = {Proceedings of the 61st Annual Meeting of the Association for Computational
Linguistics ({ACL})},
year = {2023}
}
2022
A Relation Extraction Dataset for Knowledge Extraction from Web Tables
Siffi Singh, Alham Fikri Aji, Gaurav Singh, and Christos
Christodoulopoulos
In Proceedings of COLING 2022
@inproceedings{Singh22Relation,
author = {Singh, Siffi and Aji, Alham Fikri and Singh, Gaurav and Christodoulopoulos, Christos},
title = {A Relation Extraction Dataset for Knowledge Extraction from Web Tables},
booktitle = {Proceedings of the 29th International Conference On Computational Linguistics
({COLING})},
year = {2022}
}
ReFinED: An efficient zero-shot-capable approach to end-to-end entity linking
Tom Ayoola, Shubhi Tyagi, Joseph Fisher, Christos
Christodoulopoulos, and Andrea Pierleoni
In Proceedings of NAACL 2022
@inproceedings{Ayoola22Refined,
author = {Ayoola, Tom and Tyagi, Shubhi and Fisher, Joseph and Christodoulopoulos, Christos and
Pierleoni, Andrea},
title = {{ReFinED}: An efficient zero-shot-capable approach to end-to-end entity linking},
booktitle = {Proceedings of the 2022 Annual Conference of the North American Chapter of the
Association for Computational Linguistics ({NAACL})},
year = {2022}
}
2021
Robust Information Retrieval for False Claims with Distracting Entities In Fact
Extraction and Verification
Mingwen Dong, Christos Christodoulopoulos, Sheng-Min Shih and
Xiaofei Ma
eprint arXiv:2112.07618
@misc{dong2021robust,
title={Robust Information Retrieval for False Claims with Distracting Entities In Fact
Extraction and Verification},
author={Mingwen Dong and Christos Christodoulopoulos and Sheng-Min Shih and Xiaofei Ma},
year={2021},
eprint={2112.07618},
archivePrefix={arXiv},
primaryClass={cs.IR}
}
FEVEROUS: Fact Extraction and VERification Over Unstructured and Structured
information
Rami Aly, Zhijiang Guo, Michael Sejr Schlichtkrull, James Thorne, Andreas
Vlachos, Christos Christodoulopoulos, Oana Cocarascu and Arpit Mittal
Thirty-fifth Conference on Neural Information Processing Systems (NeurIPS)
@inproceedings{aly2021feverous,
title={{FEVEROUS}: Fact Extraction and {VER}ification Over Unstructured and Structured
information},
author={Rami Aly and Zhijiang Guo and Michael Sejr Schlichtkrull and James Thorne and Andreas
Vlachos and Christos Christodoulopoulos and Oana Cocarascu and Arpit Mittal},
booktitle={Thirty-fifth Conference on Neural Information Processing Systems Datasets and
Benchmarks Track (Round 1)},
year={2021},
url={https://openreview.net/forum?id=h-flVCIlstW}
}
Tabular Data Concept Type Detection Using Star-Transformers
Yiwei Zhou, Siffi Singh, and Christos Christodoulopoulos
The 30th ACM International Conference on Information & Knowledge Management
(CIKM)
@inproceedings{
title={Tabular Data Concept Type Detection Using Star-Transformers},
athor={Zhou, Yiwei and Singh, Siffi and Christodoulopoulos, Christos},
booktitle = {Proceedings of the 30th ACM International Conference on Information & Knowledge
Management},
year={2021}
}
Hidden Biases in Unreliable News Detection Datasets
Xiang Zhou, Heba Elfardy, Christos Christodoulopoulos, Thomas
Butler and Mohit Bansal
Proceedings of the 16th Conference of the European Chapter
of the Association for Computational Linguistics (EACL)
@article{Zhou21Hidden,
author = {Zhou, Xiang and Elfardy, Heba and Christodoulopoulos, Christos and Butler, Thomas and
Bansal, Mohit},
booktitle = {Proceedings of the 16th Conference of the European Chapter
of the Association for Computational Linguistics ({EACL})},
title = {Hidden Biases in Unreliable News Detection Datasets},
year = {2021}
}
2020
Debiasing knowledge graph embeddings
Joseph Fisher, Arpit Mittal, Dave Palfrey, and Christos
Christodoulopoulos
Proceedings of the 2020 Conference on Empirical Methods in Natural Language
Processing (EMNLP)
@article{Fisher20Debiasing,
author = {Fisher, Josheph and Mittal, Arpit and Palfrey, Dave and Christodoulopoulos, Christos},
booktitle = {Proceedings of the 2020 Conference on Empirical Methods in Natural Language
Processing},
title = {Debiasing knowledge graph embeddings},
year = {2020}
}
Measuring Social Bias in Knowledge Graph Embeddings
Joseph Fisher, Dave Palfrey, Christos Christodoulopoulos, and
Arpit Mittal
In Proceedings of the Bias in Automatic Knowledge Graph Construction Workshop
@article{Fisher20Measuring,
arxivId = {1912.02761},
author = {Fisher, Josheph and Palfrey, Dave and Christodoulopoulos, Christos and Mittal, Arpit},
booktitle = {Proceedings of the Bias in Automatic Knowledge Graph Construction Workshop},
title = {Measuring Social Bias in Knowledge Graph Embeddings},
url = {http://arxiv.org/abs/1912.02761},
year = {2020}
}
2019
Evaluating adversarial attacks against multiple fact verification systems
James Thorne, Andreas Vlachos, Christos Christodoulopoulos, and
Arpit Mittal
In Proceedings of the 2019 Conference on Empirical Methods in Natural Language
Processing and the 9th International Joint Conference on Natural Language Processing
(EMNLP-IJCNLP)
@inproceedings{Thorne19Evaluating,
title = "Evaluating adversarial attacks against multiple fact verification systems",
author = "Thorne, James and Vlachos, Andreas and Christodoulopoulos, Christos and Mittal,
Arpit",
booktitle = "Proceedings of the 2019 Conference on Empirical Methods in Natural Language
Processing and the 9th International Joint Conference on Natural Language Processing
(EMNLP-IJCNLP)",
year = "2019",
pages = "2937--2946",
}
Generating Token-Level Explanations for Natural Language Inference
James Thorne, Andreas Vlachos, Christos Christodoulopoulos, and
Arpit Mittal
In Proceedings of the 2019 Annual Conference of the North American Chapter of
the Association for Computational Linguistics (NAACL)
@inproceedings{Thorne19Generating,
author = {Thorne, James and Vlachos, Andreas and Christodoulopoulos, Christos and Mittal,
Arpit},
title = {Generating Token-Level Explanations for Natural Language Inference},
booktitle = {Proceedings of the 2019 Annual Conference of the North American Chapter of the
Association for Computational Linguistics ({NAACL})},
year = {2019}
}
2018
The Fact Extraction and VERification (FEVER) Shared Task
James Thorne, Andreas Vlachos, Oana Cocarascu, Christos
Christodoulopoulos, and Arpit Mittal
In Proceedings of the First Workshop on Fact Extraction and VERification
(FEVER)
@inproceedings{Thorne18Fact,
author = {Thorne, James and Vlachos, Andreas and Cocarascu, Oana and Christodoulopoulos,
Christos and Mittal, Arpit},
title = {The Fact Extraction and {VER}ification ({FEVER}) Shared Task},
booktitle = {Proceedings of the First Workshop on Fact Extraction and VERification ({FEVER})},
year = {2018}
}
Gold Standard Annotations for Preposition and Verb Sense with Semantic Role
Labels in Adult-Child Interactions
Lori Moon, Christos Christodoulopoulos, Cynthia Fisher, Sandra Franco,
and Dan Roth
In Proceedings of COLING
@inproceedings{Christodoulopoulos18Modeling,
author = {Moon, Lori and Christodoulopoulos, Christos and Fisher, Cynthia and Franco, Sandra and
Roth, Dan},
title = {Gold Standard Annotations for Preposition and Verb Sense with Semantic Role Labels in
Adult-Child Interactions},
booktitle = {COLING},
year = {2018}
}
Modeling Language Learning from the Ground Up
Christos Christodoulopoulos, Dan Roth and Cynthia Fisher
In Proceedings of L2HM: Learning Language in Humans and in Machines 2018
@inproceedings{Christodoulopoulos18Modeling,
author = {Christodoulopoulos, Christos and Roth, Dan and Fisher, Cynthia},
title = {Modeling Language Learning from the Ground Up},
booktitle = {L2HM: Learning Language in Humans and in Machines 2018},
year = {2018}
}
FEVER: a Large-scale Dataset for Fact Extraction and VERification
James Thorne, Andreas Vlachos, Christos Christodoulopoulos, and
Arpit Mittal
In Proceedings of NAACL-HLT 2018
@inproceedings{Thorne18Fever,
author = {Thorne, James and Vlachos, Andreas and Christodoulopoulos, Christos and Mittal,
Arpit},
title = {{FEVER}: a Large-scale Dataset for Fact Extraction and VERification},
booktitle = {NAACL-HLT},
year = {2018}
}
Simple Large-scale Relation Extraction from Unstructured Text
Christos Christodoulopoulos, and Arpit Mittal
In Proceedings of LREC 2018
@inproceedings{Christodoulopoulos18Simple,
author = {Christodoulopoulos, Christos and Mittal, Arpit},
title = {Simple Large-scale Relation Extraction from Unstructured Text},
booktitle = {LREC},
year = {2018}
}
CogCompNLP: Your Swiss Army Knife for NLP
Daniel Khashabi, Mark Sammons, Ben Zhou, Tom Redman, Christos
Christodoulopoulos, Vivek Srikumar, Nicholas Rizzolo, Lev Ratinov, Guanheng Luo,
Quang Do, Chen-Tse Tsai, Subhro Roy, Stephen Mayhew, Zhilli Feng, John Wieting, Xiaodong Yu,
Yangqiu Song, Shashank Gupta, Shyam Upadhyay, Naveen Arivazhagan, Qiang Ning, Shaoshi Ling, Dan
Roth
In Proceedings of LREC 2018
@inproceedings{Khashabi18Cogcompnlp,
author = {Khashabi, Daniel and Sammons, Mark and Zhou, Ben and Redman, Tom and
Christodoulopoulos, Christos and Srikumar, Vivek and Rizzolo, Nicholas and Ratinov, Lev and Luo,
Guanheng and Do, Quang and Tsai, Chen-Tse and Roy, Subhro and Mayhew, Stephen and Feng, Zhilli
and Wieting, John and Yu, Xiaodong and Song, Yangqiu and Gupta, Shashank and Upadhyay, Shyam and
Arivazhagan, Naveen and Ning, Qiang and Ling, Shaoshi and Roth, Dan},
title = {CogCompNLP: Your Swiss Army Knife for NLP},
booktitle = {LREC},
year = {2018}
}
2016
Better call Saul: Flexible Programming for Learning and Inference in NLP
Parisa Kordjamshidi, Daniel Khashabi, Christos
Christodoulopoulos, Bhargav Mangipudi, Sameer Singh, Dan Roth
COLING
@inproceedings{Kordjamshidi16Better,
author = {Kordjamshidi, Parisa and Khashabi, Daniel and Christodoulopoulos, Christos and
Mangipudi, Bhargav and Singh, Sameer and Roth, Dan},
title = {Better call {Saul}: Flexible Programming for Learning and Inference in {NLP}},
booktitle = {COLING},
year = {2016}
}
Revisiting Evaluation for Cross Document Event Coreference
Shyam Upadhyay, Nitish Gupta, Christos Christodoulopoulos and
Dan Roth
COLING
@inproceedings{Upadhyay16Revisiting,
author = {Upadhyay, Shyam and Gupta, Nitish and Christodoulopoulos, Christos and Roth, Dan},
title = {Revisiting Evaluation for Cross Document Event Coreference},
booktitle = {COLING},
year = {2016}
}
Transliteration in Any Language with Surrogate Languages
Stephen Mayhew, Christos Christodoulopoulos, and Dan Roth
eprint arXiv:1609.04325
@article{MayhewChRo16,
arxivId = {1609.04325},
author = {Mayhew, Stephen and Christodoulopoulos, Christos and Roth, Dan},
eprint = {1609.04325},
title = {Transliteration in Any Language with Surrogate Languages},
url = {http://arxiv.org/abs/1609.04325},
year = {2016}
}
An Incremental Model of Syntactic Bootstrapping
Christos Christodoulopoulos, Dan Roth, and Cynthia Fisher
In Proceedings of the Seventh Workshop on Cognitive Aspects of Computational
Language Learning
@inproceedings{ChristodoulopoulosRoFi16,
author = {Christodoulopoulos, Christos and Roth, Dan and Fisher, Cynthia},
title = {An Incremental Model of Syntactic Bootstrapping},
booktitle = {Proceedings of the Seventh Workshop on Cognitive Aspects of Computational Language
Learning},
year = {2016}
}
"Making the News": Identifying Noteworthy Events in News Articles
Shyam Upadhyay, Christos Christodoulopoulos, and Dan Roth
In Proceedings of The 4th Workshop on EVENTS: Definition, Detection,
Coreference, and Representation
@inproceedings{UpadhyayChRo16,
author = {Upadhyay, Shyam and Christodoulopoulos, Christos and Roth, Dan},
title = {``Making the News'': Identifying Noteworthy Events in News Articles},
booktitle = {The 4th Workshop on {EVENTS}: Definition, Detection, Coreference, and
Representation},
year = {2016}
}
Edison: Feature Extraction for
NLP, Simplified
Mark Sammons, Christos Christodoulopoulos, Parisa Kordjamshidi,
Daniel Khashabi, Vivek Srikumar, Paul Vijayakumar, Mazin Bokhari, Xinbo Wu and Dan Roth
In Proceedings of LREC 2016
@inproceedings{SCKKSVBWR16,
author = {Mark Sammons and Christos Christodoulopoulos and Parisa Kordjamshidi and Daniel
Khashabi and Vivek Srikumar and Paul Vijayakumar and Mazin Bokhari and Xinbo Wu and Dan Roth},
title = {Edison: Feature Extraction for {NLP}, Simplified},
booktitle = {LREC},
month = {6},
year = {2016}
}
Children’s Production of Determiners as a Test Case for Innate Syntactic
Categories
Catriona Silvey and Christos Christodoulopoulos
In Proceedings of Evolang 11
@inproceedings{Silvey2016Children,
author = {Silvey Catriona, and Christodoulopoulos, Christos},
title = {Children’s Production of Determiners as a Test Case for Innate Syntactic Categories},
booktitle = {The Evolution of Language: Proceedings of the 11th International Conference
(EVOLANGX11)},
editor = {S.G. Roberts and C. Cuskley and L. McCrohon and L. Barcel\'{o}-Coblijn and O. Feher
and T. Verhoef},
publisher = {Online at \url{http://evolang.org/neworleans/papers/23.html}},
year = {2016}
}
Labeling the Semantic Roles of Commas
Naveen Arivazhagan, Christos Christodoulopoulos and Dan Roth
In Proceedings of AAAI 2016
@inproceedings{ArivazhaganChRo16,
author = {Arivazhagan Naveen, and Christodoulopoulos, Christos and Roth, Dan},
title = {Labeling the Semantic Roles of Commas},
booktitle = {AAAI},
month = {2},
year = {2016}
}
2015
Labeled Grammar Induction with Minimal Supervision
Yonatan Bisk, Christos Christodoulopoulos and Julia Hockenmaier
In Proceedings of ACL 2015
*This is an updated version that corrects the results of Table 3.
@inProceedings{Bisk2015Labeled,
author = {Bisk, Yonatan and Christodoulopoulos, Christos and Hockenmaier, Julia},
title = {Generalizing a Strongly Lexicalized Parser using Unlabeled Data},
booktitle = {Proceedings of {ACL}},
year = {2015},
address = {Beijing, China},
pages = {870--876},
publisher = {Association for Computational Linguistics}
}
A massively parallel corpus: the Bible in 100 languages
Christos Christodoulopoulos and Mark Steedman
Language Resources and Evaluation, 49(2)
@article{Christodouloupoulos2015Bible,
title = {A massively parallel corpus: the Bible in 100 languages},
author = {Christodoulopoulos, Christos and Steedman, Mark},
journal = {Language Resources and Evaluation},
volume = {49},
number = {2},
pages = {375--395},
year = {2015},
publisher={Springer Netherlands}
}
2010
Two Decades of Unsupervised POS Induction: How far have we come?
Christos Christodoulopoulos, Sharon Goldwater and Mark Steedman
In Proceedings of EMNLP 2010
*This is an updated version that corrects a minor bug in the computation of the
vmb measure in Figure 1 and Table 1.
Thanks to Andreas Zollmann for pointing this out
@inproceedings{Christodoulopoulos2010Two,
location = {Cambridge, MA, USA},
author = {Christodoulopoulos, Christos and Goldwater, Sharon and Steedman, Mark},
booktitle = {Proceedings of {EMNLP}},
pages = {575--584},
title = {Two Decades of Unsupervised {POS} Induction: How Far Have We Come?},
year = {2010}
}
2007
A Group Formation Tool in an E-Learning Context
Christos Christodoulopoulos and Kyparisia Papapanikolaou
In Proceedings of ICTAI 2007
@article{Christodoulopoulos2007Group,
address = {Los Alamitos, CA, USA},
author = {Christodoulopoulos, Christos E. and Papanikolaou, Kyparisia A.},
journal = {Tools with Artificial Intelligence, IEEE International Conference on},
pages = {117--123},
publisher = {IEEE Computer Society},
title = {A Group Formation Tool in an E-Learning Context},
volume = {2},
year = {2007}
}
Investigating Group Formation Using Low Complexity Algorithms
Christos Christodoulopoulos and Kyparisia Papapanikolaou
In Proceedings of the PING Workshop of UM 2007
@inproceedings{Christodoulopoulos2007Investigating,
author = {Christodoulopoulos, Christos and Papapanikolaou, Kyparisia},
booktitle = {Proceedings of the Personalisation in E-Learning Environments at Individual and
Group Level Workshop, in 11th International Conference on User Modeling},
month = {June},
location = {Corfu, Greece},
title = {Investigating Group formation using low complexity algorithms},
year = {2007}
}
A Realistic Approach to Source Localization Using a Wireless Robotic Network
Christos Christodoulopoulos, Christos Kyriakopoulos and Athanasios Kanatas
In Proceedings of RoboComm 2007
@inproceedings{Christodoulopoulos2007Realistic,
address = {Piscataway, NJ, USA},
author = {Christodoulopoulos, Christos and Kyriakopoulos, Christos and Kanatas, Athanasios G.},
booktitle = {RoboComm '07: Proceedings of the 1st international conference on Robot
communication and coordination},
location = {Athens, Greece},
pages = {1--4},
publisher = {IEEE Press},
title = {A realistic approach to source localization using a wireless robotic network},
year = {2007}
}