Matan Orbach

Researcher, International Business Machines

Joined

July 2019

Names

Matan Orbach

Emails

****@gmail.com (Confirmed)

****@il.ibm.com (Confirmed)

Personal Links

Career & Education History

Researcher

International Business Machines (ibm.com)

2014 – Present

Advisors, Relations & Conflicts

No relations added

Expertise

Retrieval augmented generation

2024 – Present

targeted sentiment analysis

2019 – Present

multilingual NLP

2019 – Present

argument mining

2014 – Present

Publications

An Analysis of Hyper-Parameter Optimization Methods for Retrieval Augmented Generation
Matan Orbach, Ohad Eytan, Benjamin Sznajder, Ariel Gera, Odellia Boni, Yoav Kantor, Gal Bloch, Omri Levy, Hadas Abraham, Nitzan Barzilay, Eyal Shnarch, Michael Factor, Shila Ofek-Koifman, Paula Ta-Shma, Assaf Toledo
- CoRR 2025
- Readers: Everyone
Unitxt: Flexible, Shareable and Reusable Data Preparation and Evaluation for Generative AI
Elron Bandel, Yotam Perlitz, Elad Venezian, Roni Friedman, Ofir Arviv, Matan Orbach, Shachar Don-Yehiya, Dafna Sheinwald, Ariel Gera, Leshem Choshen, Michal Shmueli-Scheuer, Yoav Katz
- NAACL (Demonstrations) 2024
- Readers: Everyone
Multi-Domain Targeted Sentiment Analysis
Orith Toledo-Ronen, Matan Orbach, Yoav Katz, Noam Slonim
- 10 Jun 2023
- OpenReview Archive Direct Upload
- Readers: Everyone
Towards Automated Assessment of Organizational Cybersecurity Posture in Cloud
Roy Bar-Haim, Lilach Eden, Yoav Kantor, Vikas Agarwal, Mark Devereux, Nisha Gupta, Arun Kumar, Matan Orbach, Michael Zan
- COMAD/CODS 2023
- Readers: Everyone
Welcome to the Real World: Efficient, Incremental and Scalable Key Point Analysis
Lilach Eden, Yoav Kantor, Matan Orbach, Yoav Katz, Noam Slonim, Roy Bar-Haim
- EMNLP (Industry Track) 2023
- Readers: Everyone
An autonomous debating system
Noam Slonim, Yonatan Bilu, Carlos Alzate, Roy Bar-Haim, Ben Bogin, Francesca Bonin, Leshem Choshen, Edo Cohen-Karlik, Lena Dankin, Lilach Edelstein, Liat Ein-Dor, Roni Friedman-Melamed, Assaf Gavron, Ariel Gera, Martin Gleize, Shai Gretz, Dan Gutfreund, Alon Halfon, Daniel Hershcovich, Ron Hoory et al. (33 additional authors not shown)
- Published: 01 Jan 2021, Last Modified: 28 Sept 2023
- Nat. 2021
- Readers: Everyone
Multilingual Argument Mining: Datasets and Analysis
Orith Toledo-Ronen, Matan Orbach, Yonatan Bilu, Artem Spector, Noam Slonim
- 2020 (modified: 17 Oct 2021)
- EMNLP (Findings) 2020
- Readers: Everyone
Out of the Echo Chamber: Detecting Countering Debate Speeches
Matan Orbach, Yonatan Bilu, Assaf Toledo, Dan Lahav, Michal Jacovi, Ranit Aharonov, Noam Slonim
- 2020 (modified: 17 Oct 2021)
- ACL 2020
- Readers: Everyone
YASO: A New Benchmark for Targeted Sentiment Analysis
Matan Orbach, Orith Toledo-Ronen, Artem Spector, Ranit Aharonov, Yoav Katz, Noam Slonim
- 2020 (modified: 17 Oct 2021)
- CoRR 2020
- Readers: Everyone
A Dataset of General-Purpose Rebuttal
Matan Orbach, Yonatan Bilu, Ariel Gera, Yoav Kantor, Lena Dankin, Tamar Lavee, Lili Kotlerman, Shachar Mirkin, Michal Jacovi, Ranit Aharonov, Noam Slonim
- 2019 (modified: 17 Oct 2021)
- CoRR 2019
- Readers: Everyone

View all 14 publications

Co-Authors

View all 73 co-authors