1 code implementation • WMT (EMNLP) 2020 • M. Amin Farajian, António V. Lopes, André F. T. Martins, Sameen Maruf, Gholamreza Haffari
We report the results of the first edition of the WMT shared task on chat translation.
1 code implementation • EMNLP 2020 • Qiongkai Xu, Lizhen Qu, Zeyu Gao, Gholamreza Haffari
In this work, we propose to protect personal information by warning users of detected suspicious sentences generated by conversational assistants.
no code implementations • INLG (ACL) 2021 • Sameen Maruf, Ingrid Zukerman, Ehud Reiter, Gholamreza Haffari
We offer an approach to explain Decision Tree (DT) predictions by addressing potential conflicts between aspects of these predictions and plausible expectations licensed by background information.
1 code implementation • Findings (ACL) 2022 • Thuy-Trang Vu, Shahram Khadivi, Dinh Phung, Gholamreza Haffari
Generalising to unseen domains is under-explored and remains a challenge in neural machine translation.
no code implementations • ALTA 2021 • Najam Zaidi, Trevor Cohn, Gholamreza Haffari
In this paper, we present a novel semi-autoregressive document generation model capable of revising and editing the generated text.
no code implementations • ALTA 2021 • Narjes Askarian, Ehsan Abbasnejad, Ingrid Zukerman, Wray Buntine, Gholamreza Haffari
In this paper, we propose curriculum-based learning (CL) regime to increase the accuracy of VQA models trained on small datasets.
no code implementations • Findings (EMNLP) 2021 • Fahimeh Saleh, Wray Buntine, Gholamreza Haffari, Lan Du
Multilingual Neural Machine Translation (MNMT) trains a single NMT model that supports translation between multiple languages, rather than training separate models for different languages.
1 code implementation • EMNLP 2021 • Xuelin Situ, Sameen Maruf, Ingrid Zukerman, Cecile Paris, Gholamreza Haffari
Our ablation study shows that the ER mechanism in our LLE approach enhances the learning capabilities of the student explainer.
no code implementations • 28 May 2023 • Hao Yang, Jinming Zhao, Gholamreza Haffari, Ehsan Shareghi
Pre-trained speech encoders have been central to pushing state-of-the-art results across various speech understanding and generation tasks.
1 code implementation • 27 May 2023 • Zhuang Li, Yuyang Chai, Terry Yue Zhuo, Lizhen Qu, Gholamreza Haffari, Fei Li, Donghong Ji, Quan Hung Tran
Textual scene graph parsing has become increasingly important in various vision-language applications, including image caption evaluation and image retrieval.
no code implementations • 26 May 2023 • Farhad Moghimifar, Shilin Qu, Tongtong Wu, Yuan-Fang Li, Gholamreza Haffari
Norms, which are culturally accepted guidelines for behaviours, can be integrated into conversational models to generate utterances that are appropriate for the socio-cultural context.
no code implementations • 22 May 2023 • Zhuang Li, Lizhen Qu, Philip R. Cohen, Raj V. Tumuluri, Gholamreza Haffari
Multilingual semantic parsing aims to leverage the knowledge from the high-resource languages to improve low-resource semantic parsing, yet commonly suffers from the data imbalance problem.
no code implementations • 6 May 2023 • Dongwon Kelvin Ryu, Meng Fang, Shirui Pan, Gholamreza Haffari, Ehsan Shareghi
Text-based games (TGs) are language-based interactive environments for reinforcement learning.
no code implementations • 6 May 2023 • Thuy-Trang Vu, Shahram Khadivi, Dinh Phung, Gholamreza Haffari
Acquiring new knowledge without forgetting what has been learned in a sequence of tasks is the central focus of continual learning (CL).
no code implementations • 2 May 2023 • Haolan Zhan, Sameen Maruf, Lizhen Qu, YuFei Wang, Ingrid Zukerman, Gholamreza Haffari
Flowchart-grounded troubleshooting dialogue (FTD) systems, which follow the instructions of a flowchart to diagnose users' problems in specific domains (eg., vehicle, laptop), have been gaining research interest in recent years.
1 code implementation • 24 Apr 2023 • Haolan Zhan, Zhuang Li, YuFei Wang, Linhao Luo, Tao Feng, Xiaoxi Kang, Yuncheng Hua, Lizhen Qu, Lay-Ki Soon, Suraj Sharma, Ingrid Zukerman, Zhaleh Semnani-Azad, Gholamreza Haffari
To the best of our knowledge, SocialDial is the first socially-aware dialogue dataset that covers multiple social factors and has fine-grained labels.
Cultural Vocal Bursts Intensity Prediction
Synthetic Data Generation
1 code implementation • 17 Apr 2023 • Linhao Luo, Yuan-Fang Li, Gholamreza Haffari, Shirui Pan
In this paper, we propose a normalizing flow-based neural process for few-shot knowledge graph completion (NP-FKGC).
no code implementations • 26 Mar 2023 • Thuy-Trang Vu, Xuanli He, Gholamreza Haffari, Ehsan Shareghi
In very recent years more attention has been placed on probing the role of pre-training data in Large Language Models (LLMs) downstream behaviour.
no code implementations • CVPR 2023 • Islam Nassar, Munawar Hayat, Ehsan Abbasnejad, Hamid Rezatofighi, Gholamreza Haffari
Finally, ProtoCon addresses the poor training signal in the initial phase of training (due to fewer confident predictions) by introducing an auxiliary self-supervised loss.
1 code implementation • 2 Mar 2023 • Tao Feng, Lizhen Qu, Gholamreza Haffari
In this paper, we conduct the first study on spurious correlations for open-domain response generation models based on a corpus CGDIALOG curated in our work.
no code implementations • 16 Feb 2023 • Minghao Wu, George Foster, Lizhen Qu, Gholamreza Haffari
Existing work in document-level neural machine translation commonly concatenates several consecutive sentences as a pseudo-document, and then learns inter-sentential dependencies.
no code implementations • 30 Jan 2023 • Terry Yue Zhuo, Zhuang Li, Yujin Huang, Fatemeh Shiri, Weiqing Wang, Gholamreza Haffari, Yuan-Fang Li
Semantic parsing is a technique aimed at constructing a structured representation of the meaning of a natural-language question.
no code implementations • 30 Jan 2023 • Zhuang Li, Gholamreza Haffari
Current multilingual semantic parsing (MSP) datasets are almost all collected by translating the utterances in the existing datasets from the resource-rich language to the target language.
no code implementations • 18 Dec 2022 • Haolan Zhan, YuFei Wang, Tao Feng, Yuncheng Hua, Suraj Sharma, Zhuang Li, Lizhen Qu, Gholamreza Haffari
Negotiation is one of the crucial abilities in human communication, and there has been a resurgent research interest in negotiation dialogue systems recently, which goal is to empower intelligent agents with such ability that can efficiently help humans resolve conflicts or reach beneficial agreements.
1 code implementation • 27 Nov 2022 • Chuang Lin, Peize Sun, Yi Jiang, Ping Luo, Lizhen Qu, Gholamreza Haffari, Zehuan Yuan, Jianfei Cai
In this paper, we propose a novel open-vocabulary object detection framework directly learning from image-text pair data.
no code implementations • 7 Nov 2022 • Xiao-Yu Guo, Yuan-Fang Li, Gholamreza Haffari
Multi-hop reading comprehension requires not only the ability to reason over raw text but also the ability to combine multiple evidence.
1 code implementation • 24 Oct 2022 • Hao Yang, Jinming Zhao, Gholamreza Haffari, Ehsan Shareghi
Pre-trained speech Transformers have facilitated great success across various speech processing tasks.
no code implementations • 20 Oct 2022 • Thuy-Trang Vu, Shahram Khadivi, Xuanli He, Dinh Phung, Gholamreza Haffari
Previous works mostly focus on either multilingual or multi-domain aspects of neural machine translation (NMT).
1 code implementation • 19 Oct 2022 • Islam Nassar, Munawar Hayat, Ehsan Abbasnejad, Hamid Rezatofighi, Mehrtash Harandi, Gholamreza Haffari
We present LAVA, a simple yet effective method for multi-domain visual transfer learning with limited data.
1 code implementation • 17 Oct 2022 • Tongtong Wu, Guitao Wang, Jinming Zhao, Zhaoran Liu, Guilin Qi, Yuan-Fang Li, Gholamreza Haffari
We explore speech relation extraction via two approaches: the pipeline approach conducting text-based extraction with a pretrained ASR module, and the end2end approach via a new proposed encoder-decoder model, or what we called SpeechRE.
Automatic Speech Recognition
Automatic Speech Recognition (ASR)
+2
no code implementations • 16 Oct 2022 • Jinming Zhao, Hao Yang, Gholamreza Haffari, Ehsan Shareghi
Pre-trained speech Transformers in speech translation (ST) have facilitated state-of-the-art (SotA) results; yet, using such encoders is computationally expensive.
no code implementations • COLING 2022 • Jiayi Chen, Xiao-Yu Guo, Yuan-Fang Li, Gholamreza Haffari
Answering complex questions that require multi-step multi-type reasoning over raw text is challenging, especially when conducting numerical reasoning.
1 code implementation • 27 Sep 2022 • Vy Vo, Trung Le, Van Nguyen, He Zhao, Edwin Bonilla, Gholamreza Haffari, Dinh Phung
Interpretable machine learning seeks to understand the reasoning process of complex black-box systems that are long notorious for lack of explainability.
1 code implementation • 7 Jul 2022 • Vy Vo, Van Nguyen, Trung Le, Quan Hung Tran, Gholamreza Haffari, Seyit Camtepe, Dinh Phung
A popular attribution-based approach is to exploit local neighborhoods for learning instance-specific explainers in an additive manner.
1 code implementation • 3 Jul 2022 • Jinming Zhao, Hao Yang, Ehsan Shareghi, Gholamreza Haffari
End-to-end speech-to-text translation models are often initialized with pre-trained speech encoder and pre-trained text decoder.
1 code implementation • 27 Feb 2022 • Zhuang Li, Lizhen Qu, Qiongkai Xu, Tongtong Wu, Tianyang Zhan, Gholamreza Haffari
In this paper, we propose a variational autoencoder with disentanglement priors, VAE-DPRIOR, for task-specific natural language generation with none or a handful of task-specific labeled examples.
no code implementations • GWC 2019 • Diptesh Kanojia, Kevin Patel, Pushpak Bhattacharyya, Malhar Kulkarni, Gholamreza Haffari
Automatic Cognate Detection (ACD) is a challenging task which has been utilized to help NLP applications like Machine Translation, Information Retrieval and Computational Phylogenetics.
1 code implementation • LREC 2020 • Diptesh Kanojia, Pushpak Bhattacharyya, Malhar Kulkarni, Gholamreza Haffari
In this paper, we describe the creation of two cognate datasets for twelve Indian languages, namely Sanskrit, Hindi, Assamese, Oriya, Kannada, Gujarati, Tamil, Telugu, Punjabi, Bengali, Marathi, and Malayalam.
1 code implementation • COLING 2020 • Diptesh Kanojia, Raj Dabre, Shubham Dewangan, Pushpak Bhattacharyya, Gholamreza Haffari, Malhar Kulkarni
We, then, evaluate the impact of our cognate detection mechanism on neural machine translation (NMT), as a downstream task.
Cross-Lingual Information Retrieval
Cross-Lingual Word Embeddings
+5
1 code implementation • EACL 2021 • Diptesh Kanojia, Prashant Sharma, Sayali Ghodekar, Pushpak Bhattacharyya, Gholamreza Haffari, Malhar Kulkarni
We collect gaze behaviour data for a small sample of cognates and show that extracted cognitive features help the task of cognate detection.
no code implementations • CVPR 2022 • Miao Zhang, Jilin Hu, Steven Su, Shirui Pan, Xiaojun Chang, Bin Yang, Gholamreza Haffari
Differentiable Architecture Search (DARTS) has received massive attention in recent years, mainly because it significantly reduces the computational cost through weight sharing and continuous relaxation.
no code implementations • 19 Nov 2021 • Zhihong Lin, Donghao Zhang, Qingyi Tac, Danli Shi, Gholamreza Haffari, Qi Wu, Mingguang He, ZongYuan Ge
Medical Visual Question Answering~(VQA) is a combination of medical artificial intelligence and popular VQA challenges.
1 code implementation • 10 Nov 2021 • Chuang Lin, Yi Jiang, Jianfei Cai, Lizhen Qu, Gholamreza Haffari, Zehuan Yuan
Vision-and-Language Navigation (VLN) is a task that an agent is required to follow a language instruction to navigate to the goal position, which relies on the ongoing interactions with the environment during moving.
no code implementations • 15 Oct 2021 • Fahimeh Saleh, Wray Buntine, Gholamreza Haffari, Lan Du
Multilingual Neural Machine Translation (MNMT) trains a single NMT model that supports translation between multiple languages, rather than training separate models for different languages.
1 code implementation • EMNLP 2021 • Jinming Zhao, Philip Arthur, Gholamreza Haffari, Trevor Cohn, Ehsan Shareghi
Most existing simultaneous machine translation (SiMT) systems are trained and evaluated on offline translation corpora.
no code implementations • ICLR 2022 • Tongtong Wu, Massimo Caccia, Zhuang Li, Yuan-Fang Li, Guilin Qi, Gholamreza Haffari
In this paper, we thoroughly compare the continual learning performance over the combination of 5 PLMs and 4 veins of CL methods on 3 benchmarks in 2 typical incremental settings.
no code implementations • 29 Sep 2021 • Xuanli He, Islam Nassar, Jamie Ryan Kiros, Gholamreza Haffari, Mohammad Norouzi
To obtain strong task-specific generative models, we either fine-tune a large language model (LLM) on inputs from specific tasks, or prompt a LLM with a few input examples to generate more unlabeled examples.
1 code implementation • EMNLP 2021 • Zhuang Li, Lizhen Qu, Gholamreza Haffari
We conduct extensive experiments to study the research problems involved in continual semantic parsing and demonstrate that a neural semantic parser trained with TotalRecall achieves superior performance than the one trained directly with the SOTA continual learning algorithms and achieve a 3-6 times speedup compared to re-training from scratch.
1 code implementation • EMNLP 2021 • Thuy-Trang Vu, Xuanli He, Dinh Phung, Gholamreza Haffari
Once the in-domain data is detected by the classifier, the NMT model is then adapted to the new domain by jointly learning translation and domain discrimination tasks.
no code implementations • EMNLP 2021 • Minghao Wu, Yitong Li, Meng Zhang, Liangyou Li, Gholamreza Haffari, Qun Liu
In this work, we propose an approach, MultiUAT, that dynamically adjusts the training data usage based on the model's uncertainty on a small set of trusted clean data for multi-corpus machine translation.
no code implementations • Findings (EMNLP) 2021 • Xiao-Yu Guo, Yuan-Fang Li, Gholamreza Haffari
Numerical reasoning skills are essential for complex question answering (CQA) over text.
no code implementations • COLING 2022 • Qiongkai Xu, Xuanli He, Lingjuan Lyu, Lizhen Qu, Gholamreza Haffari
Machine-learning-as-a-service (MLaaS) has attracted millions of users to their splendid large-scale models.
1 code implementation • ACL 2021 • Xuelin Situ, Ingrid Zukerman, Cecile Paris, Sameen Maruf, Gholamreza Haffari
The importance of explaining the outcome of a machine learning model, especially a black-box model, is widely acknowledged.
1 code implementation • 11 Jun 2021 • Xuanli He, Islam Nassar, Jamie Kiros, Gholamreza Haffari, Mohammad Norouzi
This paper studies the use of language models as a source of synthetic unlabeled text for NLP.
no code implementations • Findings (ACL) 2021 • Shirong Shen, Tongtong Wu, Guilin Qi, Yuan-Fang Li, Gholamreza Haffari, Sheng Bi
Event detection (ED) aims at detecting event trigger words in sentences and classifying them into specific event types.
no code implementations • ACL 2021 • Farhad Moghimifar, Lizhen Qu, Yue Zhuo, Gholamreza Haffari, Mahsa Baktashmotlagh
The dynamic nature of commonsense knowledge postulates models capable of performing multi-hop reasoning over new situations.
1 code implementation • CVPR 2021 • Islam Nassar, Samitha Herath, Ehsan Abbasnejad, Wray Buntine, Gholamreza Haffari
We train two classifiers with two different views of the class labels: one classifier uses the one-hot view of the labels and disregards any potential similarity among the classes, while the other uses a distributed view of the labels and groups potentially similar classes together.
1 code implementation • EACL 2021 • Zhuang Li, Lizhen Qu, Shuo Huang, Gholamreza Haffari
In this work, we investigate the problems of semantic parsing in a few-shot learning setting.
1 code implementation • ALTA 2020 • Farhad Moghimifar, Gholamreza Haffari, Mahsa Baktashmotlagh
Our experiments on four different benchmark causality datasets demonstrate the superiority of our approach over the existing baselines, by up to 7% improvement, on the tasks of identification and localisation of the causal relations from the text.
no code implementations • 16 Nov 2020 • Hadi Akbarzadeh Khorshidi, Uwe Aickelin, Gholamreza Haffari, Behrooz Hassani-Mahmooei
The practical purpose of developing this pattern recognition method is to group patients, who are injured in transport accidents, in the early stages post-injury.
1 code implementation • COLING 2020 • Farhad Moghimifar, Lizhen Qu, Yue Zhuo, Mahsa Baktashmotlagh, Gholamreza Haffari
However, current approaches in this realm lack the ability to perform commonsense reasoning upon facing an unseen situation, mostly due to incapability of identifying a diverse range of implicit social relations.
1 code implementation • COLING 2020 • Zhuang Li, Lizhen Qu, Gholamreza Haffari
Semantic parsing is the task of translating natural language utterances into machine-readable meaning representations.
1 code implementation • 29 Oct 2020 • Yuncheng Hua, Yuan-Fang Li, Gholamreza Haffari, Guilin Qi, Wei Wu
However, this comes at the cost of manually labeling similar questions to learn a retrieval model, which is tedious and expensive.
1 code implementation • EMNLP 2020 • Yuncheng Hua, Yuan-Fang Li, Gholamreza Haffari, Guilin Qi, Tongtong Wu
Our method achieves state-of-the-art performance on the CQA dataset (Saha et al., 2018) while using only five trial trajectories for the top-5 retrieved questions in each support set, and metatraining on tasks constructed from only 1% of the training set.
Knowledge Base Question Answering
Meta Reinforcement Learning
+3
no code implementations • COLING 2020 • Xiao-Yu Guo, Yuan-Fang Li, Gholamreza Haffari
A prominent approach to this task is based on the programmer-interpreter framework, where the programmer maps the question into a sequence of reasoning actions which is then executed on the raw text by the interpreter.
no code implementations • COLING 2020 • Fahimeh Saleh, Wray Buntine, Gholamreza Haffari
Scarcity of parallel sentence-pairs poses a significant hurdle for training high-quality Neural Machine Translation (NMT) models in bilingually low-resource scenarios.
Knowledge Distillation
Low-Resource Neural Machine Translation
+3
no code implementations • COLING 2020 • Inigo Jauregi Unanue, Nazanin Esmaili, Gholamreza Haffari, Massimo Piccardi
Document-level machine translation focuses on the translation of entire documents from a source to a target language.
1 code implementation • Findings of the Association for Computational Linguistics 2020 • Xuanli He, Quan Hung Tran, Gholamreza Haffari, Walter Chang, Trung Bui, Zhe Lin, Franck Dernoncourt, Nhan Dam
In this paper, we explore the novel problem of graph modification, where the systems need to learn how to update an existing scene graph given a new user's command.
1 code implementation • EMNLP 2020 • Thuy-Trang Vu, Dinh Phung, Gholamreza Haffari
Recent work has shown the importance of adaptation of broad-coverage contextualised embedding models on the domain of the target task of interest.
1 code implementation • 17 Jul 2020 • Jinming Zhao, Ming Liu, Longxiang Gao, Yuan Jin, Lan Du, He Zhao, He Zhang, Gholamreza Haffari
Obtaining training data for multi-document summarization (MDS) is time consuming and resource-intensive, so recent neural models can only be trained for limited domains.
1 code implementation • ACL 2020 • Xuanli He, Gholamreza Haffari, Mohammad Norouzi
This paper introduces Dynamic Programming Encoding (DPE), a new segmentation algorithm for tokenizing sentences into subword units.
no code implementations • ICLR 2020 • Najam Zaidi, Trevor Cohn, Gholamreza Haffari
Decoding in autoregressive models (ARMs) consists of searching for a high scoring output sequence under the trained model.
1 code implementation • ACL 2020 • KayYen Wong, Sameen Maruf, Gholamreza Haffari
In this work, we investigate the effect of future sentences as context by comparing the performance of a contextual NMT model trained with the future context to the one trained with the past context.
no code implementations • EACL 2021 • Philip Arthur, Trevor Cohn, Gholamreza Haffari
We present a novel approach to efficiently learn a simultaneous translation model with coupled programmer-interpreter policies.
no code implementations • 10 Jan 2020 • Poorya Zaremoodi, Gholamreza Haffari
We effectively and efficiently learn the training schedule policy within the imitation learning framework using an oracle policy algorithm that dynamically sets the importance weights of auxiliary tasks based on their contributions to the generalisability of the main NMT task.
1 code implementation • 18 Dec 2019 • Sameen Maruf, Fahimeh Saleh, Gholamreza Haffari
Machine translation (MT) is an important task in natural language processing (NLP) as it automates the translation process and reduces the reliance on human translators.
no code implementations • 8 Nov 2019 • Vishwajeet Kumar, Raktim Chaki, Sai Teja Talluri, Ganesh Ramakrishnan, Yuan-Fang Li, Gholamreza Haffari
Specifically, we propose (a) a novel hierarchical BiLSTM model with selective attention and (b) a novel hierarchical Transformer architecture, both of which learn hierarchical representations of paragraphs.
no code implementations • WS 2019 • Poorya Zaremoodi, Gholamreza Haffari
The role of training schedule becomes even more crucial in \textit{biased-MTL} where the goal is to improve one (or a subset) of tasks the most, e. g. translation quality.
no code implementations • WS 2019 • Sameen Maruf, Gholamreza Haffari
We describe the work of Monash University for the shared task of Rotowire document translation organised by the 3rd Workshop on Neural Generation and Translation (WNGT 2019).
no code implementations • WS 2019 • Daniel Beck, Trevor Cohn, Gholamreza Haffari
Speech translation systems usually follow a pipeline approach, using word lattices as an intermediate representation.
1 code implementation • ACL 2019 • Thuy-Trang Vu, Ming Liu, Dinh Phung, Gholamreza Haffari
Heuristic-based active learning (AL) methods are limited when the data distribution of the underlying learning problems vary.
1 code implementation • NAACL 2019 • Sameen Maruf, André F. T. Martins, Gholamreza Haffari
Despite the progress made in sentence-level NMT, current systems still fall short at achieving fluent, good quality translation for a full document.
no code implementations • 24 Feb 2019 • Faik Aydin, Maggie Zhang, Michelle Ananda-Rajah, Gholamreza Haffari
To overcome the challenges of the small training dataset which only has 3K frontal X-ray images and medical reports in pairs, we have adopted transfer learning for the multimodal which concatenates the layers of image and text submodels.
no code implementations • 9 Feb 2019 • Sunil Aryal, Kai Ming Ting, Takashi Washio, Gholamreza Haffari
To measure the similarity of two documents in the bag-of-words (BoW) vector representation, different term weighting schemes are used to improve the performance of cosine similarity---the most widely used inter-document similarity measure in text mining.
no code implementations • ALTA 2018 • Cong Duy Vu Hoang, Gholamreza Haffari, Trevor Cohn
In this work, we investigate whether side information is helpful in neural machine translation (NMT).
no code implementations • ALTA 2018 • Xuanli He, Quan Hung Tran, William Havard, Laurent Besacier, Ingrid Zukerman, Gholamreza Haffari
In spite of the recent success of Dialogue Act (DA) classification, the majority of prior works focus on text-based classification with oracle transcriptions, i. e. human transcriptions, instead of Automatic Speech Recognition (ASR)'s transcriptions.
Automatic Speech Recognition
Automatic Speech Recognition (ASR)
+5
no code implementations • CONLL 2018 • Xuanli He, Gholamreza Haffari, Mohammad Norouzi
In this paper, we develop a novel sequence to sequence mixture (S2SMIX) model that improves both translation diversity and quality by adopting a committee of specialized translation models rather than a single translation model.
1 code implementation • EMNLP 2018 • Thuy-Trang Vu, Gholamreza Haffari
Automated Post-Editing (PE) is the task of automatically correct common and repetitive errors found in machine translation (MT) output.
no code implementations • CONLL 2018 • Ming Liu, Wray Buntine, Gholamreza Haffari
Traditional active learning (AL) methods for machine translation (MT) rely on heuristics.
1 code implementation • WS 2018 • Sameen Maruf, André F. T. Martins, Gholamreza Haffari
In this work, we propose the task of translating Bilingual Multi-Speaker Conversations, and explore neural architectures which exploit both source and target-side conversation histories for this task.
no code implementations • COLING 2018 • Poorya Zaremoodi, Gholamreza Haffari
Incorporating syntactic information in Neural Machine Translation (NMT) can lead to better reorderings, particularly useful when the language pairs are syntactically highly divergent or when the training bitext is not large.
1 code implementation • ACL 2018 • Ming Liu, Wray Buntine, Gholamreza Haffari
Heuristic-based active learning (AL) methods are limited when the data distribution of the underlying learning problems vary.
no code implementations • WS 2018 • Vu Cong Duy Hoang, Philipp Koehn, Gholamreza Haffari, Trevor Cohn
We present iterative back-translation, a method for generating increasingly better synthetic parallel data from monolingual data to train neural machine translation systems.
no code implementations • ACL 2018 • Poorya Zaremoodi, Wray Buntine, Gholamreza Haffari
The routing network enables adaptive collaboration by dynamic sharing of blocks conditioned on the task at hand, input, and model state.
2 code implementations • ACL 2018 • Daniel Beck, Gholamreza Haffari, Trevor Cohn
Many NLP applications can be framed as a graph-to-sequence learning problem.
no code implementations • NAACL 2018 • Quan Hung Tran, Tuan Lai, Gholamreza Haffari, Ingrid Zukerman, Trung Bui, Hung Bui
Contextual sequence mapping is one of the fundamental problems in Natural Language Processing (NLP).
no code implementations • NAACL 2018 • Poorya Zaremoodi, Gholamreza Haffari
Neural machine translation requires large amounts of parallel training text to learn a reasonable-quality translation model.
no code implementations • 19 Nov 2017 • Poorya Zaremoodi, Gholamreza Haffari
In this paper, we propose a forest-to-sequence Attentional Neural Machine Translation model to make use of exponentially many parse trees of the source sentence to compensate for the parser errors.
no code implementations • ACL 2018 • Sameen Maruf, Gholamreza Haffari
We present a document-level neural machine translation model which takes both source and target document context into account using memory networks.
no code implementations • EMNLP 2017 • Quan Hung Tran, Ingrid Zukerman, Gholamreza Haffari
This paper introduces a novel training/decoding strategy for sequence labeling.
no code implementations • EMNLP 2017 • Cong Duy Vu Hoang, Gholamreza Haffari, Trevor Cohn
We propose a novel decoding approach for neural machine translation (NMT) based on continuous optimisation.
no code implementations • RANLP 2017 • Benyamin Ahmadnia, Javier Serrano, Gholamreza Haffari
This paper is an attempt to exclusively focus on investigating the pivot language technique in which a bridging language is utilized to increase the quality of the Persian-Spanish low-resource Statistical Machine Translation (SMT).
no code implementations • ACL 2017 • Quan Hung Tran, Gholamreza Haffari, Ingrid Zukerman
We propose a novel generative neural network architecture for Dialogue Act classification.
no code implementations • EACL 2017 • Quan Hung Tran, Ingrid Zukerman, Gholamreza Haffari
We propose a novel hierarchical Recurrent Neural Network (RNN) for learning sequences of Dialogue Acts (DAs).
no code implementations • EACL 2017 • Gholamreza Haffari, Tuan Dung Tran, Mark Carman
Comparing NLP systems to select the best one for a task of interest, such as named entity recognition, is critical for practitioners and researchers.
no code implementations • 11 Jan 2017 • Cong Duy Vu Hoang, Gholamreza Haffari, Trevor Cohn
We propose a novel decoding approach for neural machine translation (NMT) based on continuous optimisation.
no code implementations • COLING 2016 • Masoud Jalili Sabet, Heshaam Faili, Gholamreza Haffari
We address the problem of inducing word alignment for language pairs by developing an unsupervised model with the capability of getting applied to other generative alignment models.
1 code implementation • TACL 2016 • Ehsan Shareghi, Matthias Petri, Gholamreza Haffari, Trevor Cohn
Efficient methods for storing and querying are critical for scaling high-order n-gram language models to large corpora.
no code implementations • WS 2017 • Ekaterina Vylomova, Trevor Cohn, Xuanli He, Gholamreza Haffari
Dealing with the complex word forms in morphologically rich languages is an open problem in language processing, and is particularly important in translation.
no code implementations • 29 Mar 2016 • Geetanjali Rakshit, Sagar Sontakke, Pushpak Bhattacharyya, Gholamreza Haffari
In this paper, we attempt to solve the problem of Prepositional Phrase (PP) attachments in English.
1 code implementation • 7 Mar 2016 • Yangfeng Ji, Gholamreza Haffari, Jacob Eisenstein
This paper presents a novel latent variable recurrent neural network architecture for jointly modeling sequences of words and (possibly latent) discourse relations between adjacent sentences.
no code implementations • NAACL 2016 • Trevor Cohn, Cong Duy Vu Hoang, Ekaterina Vymolova, Kaisheng Yao, Chris Dyer, Gholamreza Haffari
Neural encoder-decoder models of machine translation have achieved impressive results, rivalling traditional translation models.
no code implementations • 10 Mar 2015 • Bahman Yari Saeed Khanloo, Gholamreza Haffari
We are concerned with obtaining novel concentration inequalities for the missing mass, i. e. the total probability mass of the outcomes not observed in the sample.
no code implementations • 9 Mar 2015 • Ehsan Shareghi, Gholamreza Haffari, Trevor Cohn, Ann Nicholson
Linguistic structures exhibit a rich array of global phenomena, however commonly used Markov models are unable to adequately describe these phenomena due to their strong locality assumptions.
no code implementations • NeurIPS 2009 • Yang Wang, Gholamreza Haffari, Shaojun Wang, Greg Mori
We propose a novel information theoretic approach for semi-supervised learning of conditional random fields.