Derek F. Wong

University of Macau, Natural Language Processing & Portuguese-Chinese Machine Translation (NLP2CT) Laboratory, University of Macau, Macau, China
https://www.fst.um.edu.mo/en/staff/fstfw.html
Publications111
h-index20
Citations1,611
Highly Influential Citations161
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  • Publications
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Learning Deep Transformer Models for Machine Translation
TLDR
It is claimed that a truly deep Transformer model can surpass the Transformer-Big counterpart by 1) proper use of layer normalization and 2) a novel way of passing the combination of previous layers to the next.
Norm-Based Curriculum Learning for Neural Machine Translation
TLDR
This paper aims to improve the efficiency of training an NMT by introducing a novel norm-based curriculum learning method that uses the norm (aka length or module) of a word embedding as a measure of the difficulty of the sentence, the competence of the model, and the weight of the sentences.
Modeling Localness for Self-Attention Networks
TLDR
This work cast localness modeling as a learnable Gaussian bias, which indicates the central and scope of the local region to be paid more attention in self-attention networks, to maintain the strength of capturing long distance dependencies while enhance the ability of capturing short-range dependencies.
UM-Corpus: A Large English-Chinese Parallel Corpus for Statistical Machine Translation
TLDR
The acquisition of a large scale and high quality parallel corpora for English and Chinese for Statistical Machine Translation (SMT) is described, designed to embrace eight different domains.
An algorithm for zero-skew clock tree routing with buffer insertion
TLDR
A clustering-based algorithm which uses shortest delay as the cost function and the problem of finding legal positions for buffers such that no buffers overlap can be formulated as a shortest path problem on graphs, and can be solved by the Bellman-Ford algorithm.
LEPOR: A Robust Evaluation Metric for Machine Translation with Augmented Factors
TLDR
Experiments show that this novel metric yields the state-of-the-art correlation with human judgments compared with classic metrics BLEU, TER, Meteor-1.3 and two latest metrics (AMBER and MP4IBM1), which proves it a robust one by employing a feature-rich and model-independent approach.
Context-Aware Self-Attention Networks
TLDR
This work proposes to contextualize the transformations of the query and key layers, which are used to calculates the relevance between elements, and leverage the internal representations that embed both global and deep contexts, thus avoid relying on external resources.
Language-independent Model for Machine Translation Evaluation with Reinforced Factors
TLDR
A novel language-independent evaluation metric is proposed in this work with enhanced factors and optional linguistic information (part-of-speech, n-grammar) but not very much to make the metric perform well on different language pairs.
Graph-based Semi-Supervised Model for Joint Chinese Word Segmentation and Part-of-Speech Tagging
TLDR
Empirical results reveal that the proposed graph-based semisupervised joint model of Chinese word segmentation and part-of-speech tagging can yield better results than the supervised baselines and other competitive semi-supervised CRFs in this task.
A Description of Tunable Machine Translation Evaluation Systems in WMT13 Metrics Task
TLDR
This paper is to describe the machine translation evaluation systems used for participation in the WMT13 shared Metrics Task and two automatic MT evaluation systems nLEPOR_baseline and LEPOR_v3.1.
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