Search Results for author: Hazem Hajj

Found 21 papers, 8 papers with code

Empathy-driven Arabic Conversational Chatbot

1 code implementation COLING (WANLP) 2020 Tarek Naous, Christian Hokayem, Hazem Hajj

However, the dataset is not large enough to develop very complex encoder-decoder models.


AI Methods for Designing Energy-Efficient Buildings in Urban Environments

no code implementations NeurIPS Workshop AI4Scien 2021 Sirine Taleb, Aram Yeretzian, Rabih A. Jabr, Hazem Hajj

Designing energy-efficient buildings is an essential necessity since buildings are responsible for a significant proportion of energy consumption globally.

AraELECTRA: Pre-Training Text Discriminators for Arabic Language Understanding

1 code implementation EACL (WANLP) 2021 Wissam Antoun, Fady Baly, Hazem Hajj

Advances in English language representation enabled a more sample-efficient pre-training task by Efficiently Learning an Encoder that Classifies Token Replacements Accurately (ELECTRA).

Language Modelling Language understanding +3

AraGPT2: Pre-Trained Transformer for Arabic Language Generation

1 code implementation EACL (WANLP) 2021 Wissam Antoun, Fady Baly, Hazem Hajj

In this paper, we develop the first advanced Arabic language generation model, AraGPT2, trained from scratch on a large Arabic corpus of internet text and news articles.

Language Modelling News Generation +1

Multi-Task Learning using AraBert for Offensive Language Detection

no code implementations LREC 2020 Dj, Marc ji, Fady Baly, Wissam Antoun, Hazem Hajj

The shared task on Offensive Language Detection at the OSACT4 has aimed at achieving state of art profane language detection methods for Arabic social media.

Language Modelling Multi-Task Learning

AraBERT: Transformer-based Model for Arabic Language Understanding

2 code implementations LREC 2020 Wissam Antoun, Fady Baly, Hazem Hajj

Recently, with the surge of transformers based models, language-specific BERT based models have proven to be very efficient at language understanding, provided they are pre-trained on a very large corpus.

Language understanding Named Entity Recognition +3

hULMonA: The Universal Language Model in Arabic

1 code implementation WS 2019 Obeida ElJundi, Wissam Antoun, Nour El Droubi, Hazem Hajj, Wassim El-Hajj, Khaled Shaban

Experiment results show that the developed hULMonA and multi-lingual ULM are able to generalize well to multiple Arabic data sets and achieve new state of the art results in Arabic Sentiment Analysis for some of the tested sets.

Arabic Sentiment Analysis General Classification +3

Improved Generalization of Arabic Text Classifiers

no code implementations WS 2019 Alaa Khaddaj, Hazem Hajj, Wassim El-Hajj

While transfer learning for text has been very active in the English language, progress in Arabic has been slow, including the use of Domain Adaptation (DA).

Domain Adaptation Transfer Learning

Neural Arabic Question Answering

1 code implementation WS 2019 Hussein Mozannar, Karl El Hajal, Elie Maamary, Hazem Hajj

Our system for open domain question answering in Arabic (SOQAL) is based on two components: (1) a document retriever using a hierarchical TF-IDF approach and (2) a neural reading comprehension model using the pre-trained bi-directional transformer BERT.

Information Retrieval Machine Reading Comprehension +3

EmoWordNet: Automatic Expansion of Emotion Lexicon Using English WordNet

no code implementations SEMEVAL 2018 Gilbert Badaro, Hussein Jundi, Hazem Hajj, Wassim El-Hajj

We also evaluate EmoWordNet in an emotion recognition task using SemEval 2007 news headlines dataset and we achieve an improvement compared to the use of DepecheMood.

Collaborative Filtering Emotion Classification +3

Arabic Corpora for Credibility Analysis

no code implementations LREC 2016 Ayman Al Zaatari, Rim El Ballouli, Shady ELbassouni, Wassim El-Hajj, Hazem Hajj, Khaled Shaban, Nizar Habash, Emad Yahya

We focus on Arabic due to the recent popularity of blogs and microblogs in the Arab World and due to the lack of any such public corpora in Arabic.

General Classification

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