Search Results for author: Parishad BehnamGhader

Found 5 papers, 4 papers with code

MG-BERT: Multi-Graph Augmented BERT for Masked Language Modeling

no code implementations NAACL (TextGraphs) 2021 Parishad BehnamGhader, Hossein Zakerinia, Mahdieh Soleymani Baghshah

Pre-trained models like Bidirectional Encoder Representations from Transformers (BERT), have recently made a big leap forward in Natural Language Processing (NLP) tasks.

Knowledge Graphs Language Modelling +2

LLM2Vec: Large Language Models Are Secretly Powerful Text Encoders

2 code implementations9 Apr 2024 Parishad BehnamGhader, Vaibhav Adlakha, Marius Mosbach, Dzmitry Bahdanau, Nicolas Chapados, Siva Reddy

We outperform encoder-only models by a large margin on word-level tasks and reach a new unsupervised state-of-the-art performance on the Massive Text Embeddings Benchmark (MTEB).

Contrastive Learning

Evaluating Correctness and Faithfulness of Instruction-Following Models for Question Answering

1 code implementation31 Jul 2023 Vaibhav Adlakha, Parishad BehnamGhader, Xing Han Lu, Nicholas Meade, Siva Reddy

Guided by human evaluation and analysis, we highlight the shortcomings of traditional metrics for both correctness and faithfulness.

Instruction Following Question Answering

Can Retriever-Augmented Language Models Reason? The Blame Game Between the Retriever and the Language Model

1 code implementation18 Dec 2022 Parishad BehnamGhader, Santiago Miret, Siva Reddy

Our findings indicate that the simple similarity metric employed by retrievers is insufficient for retrieving all the necessary statements for reasoning.

Language Modelling Question Answering +1

An Analysis of Social Biases Present in BERT Variants Across Multiple Languages

1 code implementation25 Nov 2022 Aristides Milios, Parishad BehnamGhader

Although large pre-trained language models have achieved great success in many NLP tasks, it has been shown that they reflect human biases from their pre-training corpora.

Cultural Vocal Bursts Intensity Prediction Sentence

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