no code implementations • 9 Nov 2022 • Hardy Hardy, Miguel Ballesteros, Faisal Ladhak, Muhammad Khalifa, Vittorio Castelli, Kathleen McKeown
Summarizing novel chapters is a difficult task due to the input length and the fact that sentences that appear in the desired summaries draw content from multiple places throughout the chapter.
no code implementations • 11 Oct 2022 • Muhammad Khalifa, Yogarshi Vyas, Shuai Wang, Graham Horwood, Sunil Mallya, Miguel Ballesteros
The standard classification setting where categories are fixed during both training and testing falls short in dynamic environments where new document categories could potentially emerge.
2 code implementations • 25 May 2022 • Muhammad Khalifa, Lajanugen Logeswaran, Moontae Lee, Honglak Lee, Lu Wang
To alleviate the need for a large number of labeled question-document pairs for retriever training, we propose PromptRank, which relies on large language models prompting for multi-hop path reranking.
no code implementations • EMNLP 2021 • Muhammad Khalifa, Miguel Ballesteros, Kathleen McKeown
Dialogue summarization comes with its own peculiar challenges as opposed to news or scientific articles summarization.
no code implementations • 14 Apr 2021 • Muhammad Khalifa, Hesham Hassan, Aly Fahmy
In this paper, we investigate the zero-shot performance on Dialectal Arabic (DA) when fine-tuning a PLM on modern standard Arabic (MSA) data only -- identifying a significant performance drop when evaluating such models on DA.
1 code implementation • EACL 2021 • Muhammad Khalifa, Muhammad Abdul-Mageed, Khaled Shaalan
We propose to self-train pre-trained language models in zero- and few-shot scenarios to improve performance on data-scarce varieties using only resources from data-rich ones.
1 code implementation • ICLR 2021 • Muhammad Khalifa, Hady Elsahar, Marc Dymetman
From that optimal representation we then train a target controlled Autoregressive LM through an adaptive distributional variant of Policy Gradient.
no code implementations • EACL (GWC) 2021 • Mustafa Jarrar, Eman Karajah, Muhammad Khalifa, Khaled Shaalan
We present our progress in developing a novel algorithm to extract synonyms from bilingual dictionaries.
no code implementations • 21 Jul 2020 • Muhammad Khalifa, Aminul Islam
Predicting the potential success of a book in advance is vital in many applications.
no code implementations • 15 Aug 2019 • Muhammad Khalifa
With the recent explosion in the size and complexity of source codebases and software projects, the need for efficient source code search engines has increased dramatically.