Tamer Elsayed

2025

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Can Large Language Models Effectively Rerank News Articles for Background Linking?

Marwa Essam|Tamer Elsayed

Advances in Information Retrieval - 47th European Conference on Information Retrieval, ECIR 2025, Lucca, Italy, April 6-10, 2025, Proceedings, Part II

2024

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Overview of the CLEF-2024 CheckThat! Lab Task 5 on Rumor Verification using Evidence from Authorities.

Fatima Haouari|Tamer Elsayed|Reem Suwaileh

Working Notes of the Conference and Labs of the Evaluation Forum (CLEF 2024), Grenoble, France, 9-12 September, 2024.

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The CLEF-2024 CheckThat! Lab: Check-Worthiness, Subjectivity, Persuasion, Roles, Authorities, and Adversarial Robustness.

Alberto Barrón-Cedeño|Firoj Alam|Tanmoy Chakraborty|Tamer Elsayed|Preslav Nakov|Piotr Przybyla|Julia Maria Struß|Fatima Haouari|Maram Hasanain|Federico Ruggeri|Xingyi Song|Reem Suwaileh

Advances in Information Retrieval - 46th European Conference on Information Retrieval, ECIR 2024, Glasgow, UK, March 24-28, 2024, Proceedings, Part V

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Graded Relevance Scoring of Written Essays with Dense Retrieval.

Salam Albatarni|Sohaila Eltanbouly|Tamer Elsayed

Proceedings of the 47th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2024, Washington DC, USA, July 14-18, 2024

2023

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IDRISI-RE: A generalizable dataset with benchmarks for location mention recognition on disaster tweets.

Reem Suwaileh|Tamer Elsayed|Muhammad Imran

Information Processing and Management 2023 Volume 60 Issue 3

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Who can verify this? Finding authorities for rumor verification in Twitter.

Fatima Haouari|Tamer Elsayed|Watheq Mansour

Information Processing and Management 2023 Volume 60 Issue 4

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This is not new! Spotting previously-verified claims over Twitter.

Watheq Mansour|Tamer Elsayed|Abdulaziz Al-Ali

Information Processing and Management 2023 Volume 60 Issue 4

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Overview of the CLEF-2023 CheckThat! Lab Task 5 on Authority Finding in Twitter.

Fatima Haouari|Tamer Elsayed|Zien Sheikh Ali

Working Notes of the Conference and Labs of the Evaluation Forum (CLEF 2023), Thessaloniki, Greece, September 18th to 21st, 2023.

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Detecting Stance of Authorities Towards Rumors in Arabic Tweets: A Preliminary Study.

Fatima Haouari|Tamer Elsayed

Advances in Information Retrieval - 45th European Conference on Information Retrieval, ECIR 2023, Dublin, Ireland, April 2-6, 2023, Proceedings, Part II

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The CLEF-2023 CheckThat! Lab: Checkworthiness, Subjectivity, Political Bias, Factuality, and Authority.

Alberto Barrón-Cedeño|Firoj Alam|Tommaso Caselli|Giovanni Da San Martino|Tamer Elsayed|Andrea Galassi|Fatima Haouari|Federico Ruggeri|Julia Maria Struß|Rabindra Nath Nandi|Gullal S. Cheema|Dilshod Azizov|Preslav Nakov

Advances in Information Retrieval - 45th European Conference on Information Retrieval, ECIR 2023, Dublin, Ireland, April 2-6, 2023, Proceedings, Part III

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Tahaqqaq: A Real-Time System for Assisting Twitter Users in Arabic Claim Verification.

Zien Sheikh Ali|Watheq Mansour|Fatima Haouari|Maram Hasanain|Tamer Elsayed|Abdulaziz Al-Ali

Proceedings of the 46th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2023, Taipei, Taiwan, July 23-27, 2023

2022

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Studying effectiveness of Web search for fact checking.

Maram Hasanain|Tamer Elsayed

Journal of the Association for Information Science and Technology (JASIST) 2022 Volume 73 Issue 5

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Arabic machine reading comprehension on the Holy Qur'an using CL-AraBERT.

Rana Malhas|Tamer Elsayed

Information Processing and Management 2022 Volume 59 Issue 6

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Did I See It Before? Detecting Previously-Checked Claims over Twitter.

Watheq Mansour|Tamer Elsayed|Abdulaziz Alali

Advances in Information Retrieval - 44th European Conference on IR Research, ECIR 2022, Stavanger, Norway, April 10-14, 2022, Proceedings, Part I

2021

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Overview of the CLEF-2021 CheckThat! Lab Task 1 on Check-Worthiness Estimation in Tweets and Political Debates.

Shaden Shaar|Maram Hasanain|Bayan Hamdan|Zien Sheikh Ali|Fatima Haouari|Alex Nikolov|Mücahid Kutlu|Yavuz Selim Kartal|Firoj Alam|Giovanni Da San Martino|Alberto Barrón-Cedeño|Rubén Míguez|Javier Beltrán|Tamer Elsayed|Preslav Nakov

Proceedings of the Working Notes of CLEF 2021 - Conference and Labs of the Evaluation Forum, Bucharest, Romania, September 21st - to - 24th, 2021.

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Overview of the CLEF-2021 CheckThat! Lab Task 2 on Detecting Previously Fact-Checked Claims in Tweets and Political Debates.

Shaden Shaar|Fatima Haouari|Watheq Mansour|Maram Hasanain|Nikolay Babulkov|Firoj Alam|Giovanni Da San Martino|Tamer Elsayed|Preslav Nakov

Proceedings of the Working Notes of CLEF 2021 - Conference and Labs of the Evaluation Forum, Bucharest, Romania, September 21st - to - 24th, 2021.

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The CLEF-2021 CheckThat! Lab on Detecting Check-Worthy Claims, Previously Fact-Checked Claims, and Fake News.

Preslav Nakov|Giovanni Da San Martino|Tamer Elsayed|Alberto Barrón-Cedeño|Rubén Míguez|Shaden Shaar|Firoj Alam|Fatima Haouari|Maram Hasanain|Nikolay Babulkov|Alex Nikolov|Gautam Kishore Shahi|Julia Maria Struß|Thomas Mandl

Advances in Information Retrieval - 43rd European Conference on IR Research, ECIR 2021, Virtual Event, March 28 - April 1, 2021, Proceedings, Part II

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bigIR at TREC 2021: Adopting Transfer Learning for News Background Linking.

Marwa Essam|Tamer Elsayed

Proceedings of the Thirtieth Text REtrieval Conference, TREC 2021, online, November 15-19, 2021

2020

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Report on the 2nd ACM SIGIR/SIGKDD Africa school on machine learning for data mining and search.

Tanya Y. Berger-Wolf|Ben Carterette|Tamer Elsayed|C. Maria Keet|Fabrizio Sebastiani|Hussein Suleman

SIGIR Forum 2020 Volume 54 Issue 1

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Why is That a Background Article: A Qualitative Analysis of Relevance for News Background Linking.

Marwa Essam|Tamer Elsayed

CIKM '20: The 29th ACM International Conference on Information and Knowledge Management, Virtual Event, Ireland, October 19-23, 2020

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Overview of CheckThat! 2020: Automatic Identification and Verification of Claims in Social Media.

Alberto Barrón-Cedeño|Tamer Elsayed|Preslav Nakov|Giovanni Da San Martino|Maram Hasanain|Reem Suwaileh|Fatima Haouari|Nikolay Babulkov|Bayan Hamdan|Alex Nikolov|Shaden Shaar|Zien Sheikh Ali

Experimental IR Meets Multilinguality, Multimodality, and Interaction - 11th International Conference of the CLEF Association, CLEF 2020, Thessaloniki, Greece, September 22-25, 2020, Proceedings

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bigIR at CheckThat! 2020: Multilingual BERT for Ranking Arabic Tweets by Check-worthiness.

Maram Hasanain|Tamer Elsayed

Working Notes of CLEF 2020 - Conference and Labs of the Evaluation Forum, Thessaloniki, Greece, September 22-25, 2020.

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Overview of CheckThat! 2020i Arabic: Automatic Identification and Verification of Claims in Social Media.

Maram Hasanain|Fatima Haouari|Reem Suwaileh|Zien Sheikh Ali|Bayan Hamdan|Tamer Elsayed|Alberto Barrón-Cedeño|Giovanni Da San Martino|Preslav Nakov

Working Notes of CLEF 2020 - Conference and Labs of the Evaluation Forum, Thessaloniki, Greece, September 22-25, 2020.

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Overview of CheckThat! 2020 English: Automatic Identification and Verification of Claims in Social Media.

Shaden Shaar|Alex Nikolov|Nikolay Babulkov|Firoj Alam|Alberto Barrón-Cedeño|Tamer Elsayed|Maram Hasanain|Reem Suwaileh|Fatima Haouari|Giovanni Da San Martino|Preslav Nakov

Working Notes of CLEF 2020 - Conference and Labs of the Evaluation Forum, Thessaloniki, Greece, September 22-25, 2020.

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CheckThat! at CLEF 2020: Enabling the Automatic Identification and Verification of Claims in Social Media.

Alberto Barrón-Cedeño|Tamer Elsayed|Preslav Nakov|Giovanni Da San Martino|Maram Hasanain|Reem Suwaileh|Fatima Haouari

Advances in Information Retrieval - 42nd European Conference on IR Research, ECIR 2020, Lisbon, Portugal, April 14-17, 2020, Proceedings, Part II

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Efficient Test Collection Construction via Active Learning.

Md. Mustafizur Rahman|Mücahid Kutlu|Tamer Elsayed|Matthew Lease

ICTIR '20: The 2020 ACM SIGIR International Conference on the Theory of Information Retrieval, Virtual Event, Norway, September 14-17, 2020

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ArTest: The First Test Collection for Arabic Web Search with Relevance Rationales.

Maram Hasanain|Yassmine Barkallah|Reem Suwaileh|Mücahid Kutlu|Tamer Elsayed

Proceedings of the 43rd International ACM SIGIR conference on research and development in Information Retrieval, SIGIR 2020, Virtual Event, China, July 25-30, 2020

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Finding the Best of Both Worlds: Faster and More Robust Top-k Document Retrieval.

Omar Khattab|Mohammad Hammoud|Tamer Elsayed

Proceedings of the 43rd International ACM SIGIR conference on research and development in Information Retrieval, SIGIR 2020, Virtual Event, China, July 25-30, 2020

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HBKU at TREC 2020: Conversational Multi-Stage Retrieval with Pseudo-Relevance Feedback.

Haya Al-Thani|Bernard J. Jansen|Tamer Elsayed

Proceedings of the Twenty-Ninth Text REtrieval Conference, TREC 2020, Virtual Event [Gaithersburg, Maryland, USA], November 16-20, 2020.

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bigIR at TREC 2020: Simple but Deep Retrieval of Passages and Documents.

Fatima Haouari|Marwa Essam|Tamer Elsayed

Proceedings of the Twenty-Ninth Text REtrieval Conference, TREC 2020, Virtual Event [Gaithersburg, Maryland, USA], November 16-20, 2020.

2019

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Improving Arabic Microblog Retrieval with Distributed Representations.

Shahad Alshalan|Raghad Alshalan|Hend S. Al-Khalifa|Reem Suwaileh|Tamer Elsayed

Information Retrieval Technology - 15th Asia Information Retrieval Societies Conference, AIRS 2019, Hong Kong, November 7-9, 2019, Proceedings

doi dblp

Overview of the CLEF-2019 CheckThat! Lab: Automatic Identification and Verification of Claims.

Tamer Elsayed|Preslav Nakov|Alberto Barrón-Cedeño|Maram Hasanain|Reem Suwaileh|Giovanni Da San Martino|Pepa Atanasova

Experimental IR Meets Multilinguality, Multimodality, and Interaction - 10th International Conference of the CLEF Association, CLEF 2019, Lugano, Switzerland, September 9-12, 2019, Proceedings

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bigIR at CLEF 2019: Automatic Verification of Arabic Claims over the Web.

Fatima Haouari|Zien Sheikh Ali|Tamer Elsayed

Working Notes of CLEF 2019 - Conference and Labs of the Evaluation Forum, Lugano, Switzerland, September 9-12, 2019.

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Overview of the CLEF-2019 CheckThat! Lab: Automatic Identification and Verification of Claims. Task 2: Evidence and Factuality.

Maram Hasanain|Reem Suwaileh|Tamer Elsayed|Alberto Barrón-Cedeño|Preslav Nakov

Working Notes of CLEF 2019 - Conference and Labs of the Evaluation Forum, Lugano, Switzerland, September 9-12, 2019.

doi dblp

CheckThat! at CLEF 2019: Automatic Identification and Verification of Claims.

Tamer Elsayed|Preslav Nakov|Alberto Barrón-Cedeño|Maram Hasanain|Reem Suwaileh|Giovanni Da San Martino|Pepa Atanasova

Advances in Information Retrieval - 41st European Conference on IR Research, ECIR 2019, Cologne, Germany, April 14-18, 2019, Proceedings, Part II

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bigIR at TREC 2019: Graph-based Analysis for News Background Linking.

Marwa Essam|Tamer Elsayed

Proceedings of the Twenty-Eighth Text REtrieval Conference, TREC 2019, Gaithersburg, Maryland, USA, November 13-15, 2019.

2018

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Intelligent topic selection for low-cost information retrieval evaluation: A New perspective on deep vs. shallow judging.

Mücahid Kutlu|Tamer Elsayed|Matthew Lease

Information Processing and Management 2018 Volume 54 Issue 1

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EveTAR: building a large-scale multi-task test collection over Arabic tweets.

Maram Hasanain|Reem Suwaileh|Tamer Elsayed|Mücahid Kutlu|Hind A. Al-Merekhi

Discover Computing 2018 Volume 21 Issue 4

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When Rank Order Isn't Enough: New Statistical-Significance-Aware Correlation Measures.

Mücahid Kutlu|Tamer Elsayed|Maram Hasanain|Matthew Lease

Proceedings of the 27th ACM International Conference on Information and Knowledge Management, CIKM 2018, Torino, Italy, October 22-26, 2018

doi dblp

Re-ranking Web Search Results for Better Fact-Checking: A Preliminary Study.

Khaled Yasser|Mücahid Kutlu|Tamer Elsayed

Proceedings of the 27th ACM International Conference on Information and Knowledge Management, CIKM 2018, Torino, Italy, October 22-26, 2018

doi dblp

Overview of the CLEF-2018 CheckThat! Lab on Automatic Identification and Verification of Political Claims.

Preslav Nakov|Alberto Barrón-Cedeño|Tamer Elsayed|Reem Suwaileh|Lluís Màrquez|Wajdi Zaghouani|Pepa Atanasova|Spas Kyuchukov|Giovanni Da San Martino

Experimental IR Meets Multilinguality, Multimodality, and Interaction - 9th International Conference of the CLEF Association, CLEF 2018, Avignon, France, September 10-14, 2018, Proceedings

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Overview of the CLEF-2018 CheckThat! Lab on Automatic Identification and Verification of Political Claims. Task 1: Check-Worthiness.

Pepa Atanasova|Lluís Màrquez|Alberto Barrón-Cedeño|Tamer Elsayed|Reem Suwaileh|Wajdi Zaghouani|Spas Kyuchukov|Giovanni Da San Martino|Preslav Nakov

Working Notes of CLEF 2018 - Conference and Labs of the Evaluation Forum, Avignon, France, September 10-14, 2018.

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Overview of the CLEF-2018 CheckThat! Lab on Automatic Identification and Verification of Political Claims. Task 2: Factuality.

Alberto Barrón-Cedeño|Tamer Elsayed|Reem Suwaileh|Lluís Màrquez|Pepa Atanasova|Wajdi Zaghouani|Spas Kyuchukov|Giovanni Da San Martino|Preslav Nakov

Working Notes of CLEF 2018 - Conference and Labs of the Evaluation Forum, Avignon, France, September 10-14, 2018.

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bigIR at CLEF 2018: Detection and Verification of Check-Worthy Political Claims.

Khaled Yasser|Mücahid Kutlu|Tamer Elsayed

Working Notes of CLEF 2018 - Conference and Labs of the Evaluation Forum, Avignon, France, September 10-14, 2018.

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Mix and Match: Collaborative Expert-Crowd Judging for Building Test Collections Accurately and Affordably.

Mücahid Kutlu|Tyler McDonnell|Aashish Sheshadri|Tamer Elsayed|Matthew Lease

Proceedings of the First Biennial Conference on Design of Experimental Search & Information Retrieval Systems, Bertinoro, Italy, August 28-31, 2018.

doi dblp

Crowd vs. Expert: What Can Relevance Judgment Rationales Teach Us About Assessor Disagreement?

Mücahid Kutlu|Tyler McDonnell|Yassmine Barkallah|Tamer Elsayed|Matthew Lease

The 41st International ACM SIGIR Conference on Research & Development in Information Retrieval, SIGIR 2018, Ann Arbor, MI, USA, July 08-12, 2018

2017

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Query performance prediction for microblog search.

Maram Hasanain|Tamer Elsayed

Information Processing and Management 2017 Volume 53 Issue 6

doi dblp

QweetFinder: Real-Time Finding and Filtering of Question Tweets.

Ameer Albahem|Maram Hasanain|Marwan Torki|Tamer Elsayed

Advances in Information Retrieval - 39th European Conference on IR Research, ECIR 2017, Aberdeen, UK, April 8-13, 2017, Proceedings

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Exploiting Live Feedback for Tweet Real-time Push Notifications.

Reem Suwaileh|Tamer Elsayed

Proceedings of The Twenty-Sixth Text REtrieval Conference, TREC 2017, Gaithersburg, Maryland, USA, November 15-17, 2017

2016

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Unsupervised adaptive microblog filtering for broad dynamic topics.

Walid Magdy|Tamer Elsayed

Information Processing and Management 2016 Volume 52 Issue 4

doi dblp

On the Evaluation of Tweet Timeline Generation Task.

Walid Magdy|Tamer Elsayed|Maram Hasanain

Advances in Information Retrieval - 38th European Conference on IR Research, ECIR 2016, Padua, Italy, March 20-23, 2016. Proceedings

doi dblp

EveTAR: A New Test Collection for Event Detection in Arabic Tweets.

Hind A. Al-Merekhi|Maram Hasanain|Tamer Elsayed

Proceedings of the 39th International ACM SIGIR conference on Research and Development in Information Retrieval, SIGIR 2016, Pisa, Italy, July 17-21, 2016

doi dblp

ArabicWeb16: A New Crawl for Today's Arabic Web.

Reem Suwaileh|Mücahid Kutlu|Nihal Fathima|Tamer Elsayed|Matthew Lease

Proceedings of the 39th International ACM SIGIR conference on Research and Development in Information Retrieval, SIGIR 2016, Pisa, Italy, July 17-21, 2016

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Real, Live, and Concise: Answering Open-Domain Questions with Word Embedding and Summarization.

Rana Malhas|Marwan Torki|Rahma Ali|Tamer Elsayed|Evi Yulianti

Proceedings of The Twenty-Fifth Text REtrieval Conference, TREC 2016, Gaithersburg, Maryland, USA, November 15-18, 2016

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Light-weight, Conservative, yet Effective: Scalable Real-time Tweet Summarization.

Reem Suwaileh|Maram Hasanain|Tamer Elsayed

Proceedings of The Twenty-Fifth Text REtrieval Conference, TREC 2016, Gaithersburg, Maryland, USA, November 15-18, 2016

2015

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Detecting Automatically-Generated Arabic Tweets.

Hind A. Al-Merekhi|Tamer Elsayed

Information Retrieval Technology - 11th Asia Information Retrieval Societies Conference, AIRS 2015, Brisbane, QLD, Australia, December 2-4, 2015. Proceedings

doi dblp

Improving Tweet Timeline Generation by Predicting Optimal Retrieval Depth.

Maram Hasanain|Tamer Elsayed|Walid Magdy

Information Retrieval Technology - 11th Asia Information Retrieval Societies Conference, AIRS 2015, Brisbane, QLD, Australia, December 2-4, 2015. Proceedings

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QU at TREC-2015: Building Real-Time Systems for Tweet Filtering and Question Answering.

Reem Suwaileh|Maram Hasanain|Marwan Torki|Tamer Elsayed

Proceedings of The Twenty-Fourth Text REtrieval Conference, TREC 2015, Gaithersburg, Maryland, USA, November 17-20, 2015

2014

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Identification of Answer-Seeking Questions in Arabic Microblogs.

Maram Hasanain|Tamer Elsayed|Walid Magdy

Proceedings of the 23rd ACM International Conference on Conference on Information and Knowledge Management, CIKM 2014, Shanghai, China, November 3-7, 2014

doi dblp

Query performance prediction for microblog search: a preliminary study.

Maram Hasanain|Rana Malhas|Tamer Elsayed

SoMeRA'14, Proceedings of the First ACM International Workshop on Social Media Retrieval and Analysis, July 11, 2014, Gold Coast, Queensland, Australia

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QU at TREC-2014: Online Clustering with Temporal and Topical Expansion for Tweet Timeline Generation.

Maram Hasanain|Tamer Elsayed

Proceedings of The Twenty-Third Text REtrieval Conference, TREC 2014, Gaithersburg, Maryland, USA, November 19-21, 2014

2013

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QU at TREC-2013: Expansion Experiments for Microblog Ad hoc Search.

Maram Hasanain|Latifa Al-Marri|Tamer Elsayed

Proceedings of The Twenty-Second Text REtrieval Conference, TREC 2013, Gaithersburg, Maryland, USA, November 19-22, 2013

2011

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When close enough is good enough: approximate positional indexes for efficient ranked retrieval.

Tamer Elsayed|Jimmy Lin|Donald Metzler

Proceedings of the 20th ACM Conference on Information and Knowledge Management, CIKM 2011, Glasgow, United Kingdom, October 24-28, 2011

doi dblp

Pseudo test collections for learning web search ranking functions.

Sebastian Bruch|Donald Metzler|Tamer Elsayed|Jimmy Lin

Proceeding of the 34th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2011, Beijing, China, July 25-29, 2011

doi dblp

No free lunch: brute force vs. locality-sensitive hashing for cross-lingual pairwise similarity.

Ferhan Türe|Tamer Elsayed|Jimmy Lin

Proceeding of the 34th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2011, Beijing, China, July 25-29, 2011

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BEST of KAUST at TREC 2011: Building Effective Search in Twitter.

Jinling Jiang|Lailatul Hidayah|Hany E. Ramadan|Tamer Elsayed

Proceedings of The Twentieth Text REtrieval Conference, TREC 2011, Gaithersburg, Maryland, USA, November 15-18, 2011

2010

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Making sense of archived e-mail: Exploring the Enron collection with NetLens.

Hyunmo Kang|Catherine Plaisant|Tamer Elsayed|Douglas W. Oard

Journal of the Association for Information Science and Technology (JASIST) 2010 Volume 61 Issue 4

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UMD and USC/ISI: TREC 2010 Web Track Experiments with Ivory.

Tamer Elsayed|Sebastian Bruch|Lidan Wang|Jimmy Lin|Donald Metzler

Proceedings of The Nineteenth Text REtrieval Conference, TREC 2010, Gaithersburg, Maryland, USA, November 16-19, 2010

2009

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Of Ivory and Smurfs: Loxodontan MapReduce Experiments for Web Search.

Jimmy Lin|Tamer Elsayed|Lidan Wang|Donald Metzler

Proceedings of The Eighteenth Text REtrieval Conference, TREC 2009, Gaithersburg, Maryland, USA, November 17-20, 2009

2006

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TREC 2006 at Maryland: Blog, Enterprise, Legal and QA Tracks.

Douglas W. Oard|Tamer Elsayed|Jianqiang Wang|Yejun Wu|Pengyi Zhang|Eileen G. Abels|Jimmy Lin|Dagobert Soergel

Proceedings of the Fifteenth Text REtrieval Conference, TREC 2006, Gaithersburg, Maryland, USA, November 14-17, 2006

2005

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On evaluation of adaptive topic tracking systems.

Tamer Elsayed|Pierre Hanna|Douglas W. Oard|Pascal Ferraro|Tamer Elsayed|Pierre Hanna|Douglas W. Oard|Pascal Ferraro

SIGIR 2005: Proceedings of the 28th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, Salvador, Brazil, August 15-19, 2005