activity
20162026
most citedDomain, Translationese and Noise in Synthetic Data for Neural Machine Translation

41 citations · 55 across the 17 of their papers we have counts for

collaborators

20 papers

cs.CL2026

Cultivar: A Contrastive and Locale-Oriented Translation Benchmark for Investigating Contamination and Localisation Robustness

Pinzhen Chen, Koel Dutta Chowdhury, Xiaoya Xu +20

Multilingual translation benchmarks are typically sourced in English and translated into other languages, treating language pairs as the unit of evaluation---a design that is prone…

cs.CL2025

ZeroSumEval: An Extensible Framework For Scaling LLM Evaluation with Inter-Model Competition

Hisham A. Alyahya, Haidar Khan, Yazeed Alnumay +2

We introduce ZeroSumEval, a dynamic, competition-based, and evolving evaluation framework for Large Language Models (LLMs) that leverages competitive games. ZeroSumEval encompasses…

cs.CL2025

MultiLoKo: a multilingual local knowledge benchmark for LLMs spanning 31 languages

Dieuwke Hupkes, Nikolay Bogoychev

We present MultiLoKo, a new benchmark for evaluating multilinguality in LLMs covering 31 languages. MultiLoKo consists of three partitions: a main partition consisting of 500 quest…

cs.CL2025★ 1 cited

Multilingual Machine Translation with Open Large Language Models at Practical Scale: An Empirical Study

Menglong Cui, Pengzhi Gao, Wei Liu +2

Large language models (LLMs) have shown continuously improving multilingual capabilities, and even small-scale open-source models have demonstrated rapid performance enhancement. I…

cs.AI2024

The Llama 3 Herd of Models

Aaron Grattafiori, Abhimanyu Dubey, Abhinav Jauhri +556

Modern artificial intelligence (AI) systems are powered by foundation models. This paper presents a new set of foundation models, called Llama 3. It is a herd of language models th…

cs.CL2023★ 1 cited

OpusCleaner and OpusTrainer, open source toolkits for training Machine Translation and Large language models

Nikolay Bogoychev, Jelmer van der Linde, Graeme Nail +7

Developing high quality machine translation systems is a labour intensive, challenging and confusing process for newcomers to the field. We present a pair of tools OpusCleaner and…

cs.CL2023

The Ups and Downs of Large Language Model Inference with Vocabulary Trimming by Language Heuristics

Nikolay Bogoychev, Pinzhen Chen, Barry Haddow +1

Deploying large language models (LLMs) encounters challenges due to intensive computational and memory requirements. Our research examines vocabulary trimming (VT) inspired by rest…

cs.CL2023

Terminology-Aware Translation with Constrained Decoding and Large Language Model Prompting

Nikolay Bogoychev, Pinzhen Chen

Terminology correctness is important in the downstream application of machine translation, and a prevalent way to ensure this is to inject terminology constraints into a translatio…

cs.CL2023★ 1 cited

Monolingual or Multilingual Instruction Tuning: Which Makes a Better Alpaca

Pinzhen Chen, Shaoxiong Ji, Nikolay Bogoychev +3

Foundational large language models (LLMs) can be instruction-tuned to perform open-domain question answering, facilitating applications like chat assistants. While such efforts are…

cs.CL2023★ 4 cited

An Open Dataset and Model for Language Identification

Laurie Burchell, Alexandra Birch, Nikolay Bogoychev +1

Language identification (LID) is a fundamental step in many natural language processing pipelines. However, current LID systems are far from perfect, particularly on lower-resource…

cs.CL2023★ 1 cited

The Edinburgh International Accents of English Corpus: Towards the Democratization of English ASR

Ramon Sanabria, Nikolay Bogoychev, Nina Markl +3

English is the most widely spoken language in the world, used daily by millions of people as a first or second language in many different contexts. As a result, there are many vari…

cs.LG2022

Low-Rank Softmax Can Have Unargmaxable Classes in Theory but Rarely in Practice

Andreas Grivas, Nikolay Bogoychev, Adam Lopez

Classifiers in natural language processing (NLP) often have a large number of output classes. For example, neural language models (LMs) and machine translation (MT) models both pre…

cs.CL2021

TranslateLocally: Blazing-fast translation running on the local CPU

Nikolay Bogoychev, Jelmer Van der Linde, Kenneth Heafield

Every day, millions of people sacrifice their privacy and browsing habits in exchange for online machine translation. Companies and governments with confidentiality requirements of…

cs.CL2021

The Highs and Lows of Simple Lexical Domain Adaptation Approaches for Neural Machine Translation

Nikolay Bogoychev, Pinzhen Chen

Machine translation systems are vulnerable to domain mismatch, especially in a low-resource scenario. Out-of-domain translations are often of poor quality and prone to hallucinatio…

cs.CL2020

Not all parameters are born equal: Attention is mostly what you need

Nikolay Bogoychev

Transformers are widely used in state-of-the-art machine translation, but the key to their success is still unknown. To gain insight into this, we consider three groups of paramete…

cs.CL2019★ 41 cited

Domain, Translationese and Noise in Synthetic Data for Neural Machine Translation

Nikolay Bogoychev, Rico Sennrich

The quality of neural machine translation can be improved by leveraging additional monolingual resources to create synthetic training data. Source-side monolingual data can be (for…

cs.CL2019

The University of Edinburgh's Submissions to the WMT19 News Translation Task

Rachel Bawden, Nikolay Bogoychev, Ulrich Germann +4

The University of Edinburgh participated in the WMT19 Shared Task on News Translation in six language directions: English-to-Gujarati, Gujarati-to-English, English-to-Chinese, Chin…

cs.CL2018★ 4 cited

Accelerating Asynchronous Stochastic Gradient Descent for Neural Machine Translation

Nikolay Bogoychev, Marcin Junczys-Dowmunt, Kenneth Heafield +1

In order to extract the best possible performance from asynchronous stochastic gradient descent one must increase the mini-batch size and scale the learning rate accordingly. In or…

cs.CL2018

Marian: Fast Neural Machine Translation in C++

Marcin Junczys-Dowmunt, Roman Grundkiewicz, Tomasz Dwojak +9

We present Marian, an efficient and self-contained Neural Machine Translation framework with an integrated automatic differentiation engine based on dynamic computation graphs. Mar…

cs.CL2016★ 2 cited

Fast, Scalable Phrase-Based SMT Decoding

Hieu Hoang, Nikolay Bogoychev, Lane Schwartz +1

The utilization of statistical machine translation (SMT) has grown enormously over the last decade, many using open-source software developed by the NLP community. As commercial us…