The ultimate goal of AI is a world taking care of itself,
so the humans can finally become a pack of carefree, barefooted,
long-haired hippies. (← irony)
Friday, March 27, 2020
I always rationalized the encoder-decoder architecture as a conditional language model. The decoder is the language model, the component that “knows” the target language (whatever it means) and uses the encoder as an external memory, so it does not forget what it was talking about....
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Saturday, March 21, 2020
This week I am going to write a few notes on paper Echo State Neural Machine Translation by Google Research from some weeks ago. Echo state networks are a rather weird idea: initialize the parameters of a recurrent neural network randomly, keep them fixed and...
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Friday, March 13, 2020
This week, I will have a look at a recent pre-print that presents an interesting method for document-level machine translation that is quite different from all previous ones. The title of the paper Capturing document context inside sentence-level neural machine translation models with self-training and...
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Thursday, March 05, 2020
I am pretty sure everyone tried to use BERT as a machine translation encoder and who says otherwise, keeps trying. Representations from BERT brought improvement in most natural language processing tasks, why would machine translation be an exception? Well, because it is not that easy....
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Friday, February 28, 2020
This week, I am going to comment on a paper that appeared on arXiv on Tuesday and raised quite a lot of interest on Twitter. The title of the paper is Fixed Encoder Self-Attention Patterns in Transformer-Based Machine Translation and it describes work that has...
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Friday, February 21, 2020
This week, it will be the third time in recent weeks when I am going to review a paper that primarily focuses on unsupervised machine translation. The title of the paper is A Multilingual View on Unsupervised Machine Translation and it describes again work done...
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Wednesday, February 12, 2020
This week I will have a look at a paper from last year’s EMNLP that introduces a relatively simple architecture for sequence generation when the target sequence is very similar to the source sequence. The title of the paper is “Encode, Tag, Realize: High-Precisions Text...
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Friday, February 07, 2020
The trend of model-pretraining and task-specific fine-tuning finally fully hit machine translation as well. After begin used for some time for unsupervised machine translation training, at the end of January Facebook published a model, a pre-trained sequence-to-sequence model for 25 languages at the same time....
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Friday, January 31, 2020
This week I will review a paper that is not primarily about machine translation but about a neural architecture but can make a big impact on machine translation and natural language processing in general. This post is about Google’s Reformer, a neural architecture that is...
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Thursday, January 23, 2020
One of the hottest topics in machine translation and one of the topics I ignored so far is unsupervised machine translation, i.e., machine translation trained without the use of any parallel data. I will go through a seven-month-old paper published at this year’s ACL titled...
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Thursday, January 16, 2020
Back in 2016, one of the trendy topics was reinforcement learning and other forms of optimizing NMT directly towards some more relevant metrics rather than using cross-entropy of the conditional word distributions. Standard machine translation models are trained to maximize single-word conditional distribution, which is...
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Thursday, January 09, 2020
After the Christmas holidays, I will once again have a look at multilingual BERT. I already discussed multilingual BERT on this blog once when I reviewed a paper that explored some cross-lingual and multilingual properties of multilingual BERT. This week’s paper does more in-depth experiments...
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Thursday, December 12, 2019
This week, I would like to give some thoughts about word senses and representation contextualization in machine translation. I will start by explaining why I think the current way of writing about word senses in NLP is kind of misleading and why I think we...
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Friday, December 06, 2019
Last week, I discussed a paper claiming that forward-translation might be a better data augmentation technique than back-translation. This week, I will follow with a paper that touches a similar topic, but in a slightly different context. The title of the paper is Understanding Knowledge Distillation in Non-Autoregressive Machine Translation and was...
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Thursday, November 28, 2019
Does WMT speak translationese? And who else speaks translationese? Is the success of back-translation fake news? These are the questions that implicitly ask authors of a paper called Domain, Translationese and Noise in Synthetic Data for Neural Machine Translation that was uploaded on arXiv earlier...
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Thursday, November 21, 2019
This week, I will have a look at a paper from this year’s EMNLP that got a lot of attention on Twitter this week. If there was an award for the most disturbing machine translation paper, this would be a good candidate. The title of...
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Thursday, November 14, 2019
This week, I will briefly have a look at a paper that discusses another major problem of current machine translation which is domain robustness. The problem is very well analyzed in a paper from the University of Zurich called Domain Robustness in Neural Machine Translation...
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Thursday, November 07, 2019
Everyone who followed natural language processing on Twitter last week must have noticed a paper called BPE-Dropout: Simple and effective Subword Regularizations that introduces a simple way of adding stochastic noise into text segmentation to increase model robustness. It sounds complicated, but it is fairly easy. As...
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Thursday, October 31, 2019
One of the biggest limitations of current machine translation systems is they only work with isolated sentences. The systems need to guess when it comes to phenomena that cross the (often rather arbitrary) sentence boundaries. The typical example that is mentioned everywhere is the translation...
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Wednesday, October 23, 2019
One of the topics I am currently dealing with in my research is character-level modeling for neural machine translation. Therefore, I was glad to see a paper that appeared on arXiv last week called On the Importance of Word Boundaries in Character-level Neural Machine Translation that shows an interesting...
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Friday, October 18, 2019
This week, I will slightly depart from machine translation and have a look at a paper How Multilingual is Multilingual BERT by Google Research. BERT, the Sesame Street muppet that recently colonized the whole area of natural language processing is a model trained to predict...
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Thursday, October 10, 2019
Neural machine translation is based on machine learning—we collect training data, pairs of parallel sentences which we hope represent how language is used in the two languages, and train models using the data. When the model is trained, the more the input resembles the sentences...
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Wednesday, October 02, 2019
Let us follow up on the gender paper and have a look at other cases where machine translation does not work as well as we would like it to work. This time, we will have a look at a paper that talks about grammatically complex...
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Thursday, September 26, 2019
Five years ago when deep learning slowly started to be cool, there was a paper called Neural Turing Machines (which are not really Turing machines, but at least they are neural in a narrow technical sense). The paper left me with a foolishly naive impression...
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Wednesday, September 18, 2019
It’s time to talk about gender—why things go wrong with gender in machine translation and what people do about it. Some languages have gendered nouns (German), some have gendered almost everything (Czech, French) and some only few pronouns (English). Let’s say you want to translate...
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Wednesday, September 11, 2019
The holiday period is over and I almost settled in my new place of operation which is the Ludwig-Maximilian University of Munich, and now there is nothing that can prevent me from continuing with weekly reports on what is new in the world of machine...
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Wednesday, July 10, 2019
Machine translation is typically trained on bilingual data that can be found on the Internet. It mostly comes from international government and non-government organizations, commercial web presentations, books, movie subtitles, etc. Therefore, most of the text is quite formal and almost without typos and certainly...
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Thursday, July 04, 2019
This week’s post contains more math than usually. I will talk about a paper that unifies several decoding algorithms in MT using one simple equation. The paper is called A Generalized Framework of Sequence Generation with Application to Undirected Sequence Models, it comes from New...
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Monday, June 24, 2019
Remember two years ago when all tech-related servers enthusiastically reported that a translator by Google created its own language? These were based on a paper that was published in TAACL in summer 2017 after its pre-print was available on arXiv since November 2016. The paper...
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Tuesday, June 11, 2019
This week, we will have a look at a paper that won the best short paper award at NAACL 2019. The name of the paper is Probing the Need for Visual Context in Multimodal Machine Translation and it was written by friends of mine from...
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Tuesday, June 04, 2019
Let’s continue with pre-prints of papers which are going to appear at ACL this year and have a look at another paper that comes from the University of Edinburgh, titled Revisiting Low-Resource Neural Machine Translation: A Case Study. This paper is a reaction to an...
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Monday, May 27, 2019
With the ACL camera-ready deadline slowly approaching, future ACL papers start to pop up on arXiv. One of those which went public just a few days ago is a paper called Analyzing Multi-Head Self-Attention: Specialized Heads Do the Heavy Lifting, the Rest Can Be Pruned...
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Friday, May 17, 2019
This week, we will have a look at a brand-new method for non-autoregressive machine translation published a few weeks ago on arXiv by Facebook AI Research, two days before the anonymity period for the EMNLP conference. Most models for neural machine translation work autoregressively. When...
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Wednesday, May 01, 2019
Last week, there was a paper on arXiv that introduces a method for MT evaluation using BERT sentence representation. The metric seems to be the new state of the art in MT evaluation. Its name is BERTScore and was done at Cornell University. MT evaluation...
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Tuesday, April 23, 2019
This is the first post from a series in which I will try to come up with summaries of some of the latest papers and other news on machine translation. The main goal of this exercise is to force myself to read new papers regularly...
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Tuesday, November 21, 2017
English version of the post Když si v médiích čtu o technologiích, které využívají strojové učení, a o umělé inteligenci, jak se teď říká, často se divím, jak jsou zprávy nejen zjednodušující, ale především zavádějící. Určitě se to děje ve všech oborech, nicméně rozhořčování se...
popularization
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Česká verze příspěvku While reading news stories on research or products involving deep learning, I get often surprised how inaccurate and misleading the news stories are. It is probably a problem of almost all expert fields which happen to appear in media, luckily they do...
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Monday, May 29, 2017
English version of the post Odmala jsem si myslel, že biatlon je divný sport. Vrtalo mi hlavou, jak někoho napadlo soutěžit v tak odlišných věcech jako je ježdění na lyžích a střelba. O trochu větší překvapení přišlo, když jsem se dozvěděl o existenci moderního pětiboje. Díky...
popularization
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Česká verze příspěvku Since I was a little boy, I was astonished how weird sport biathlon is. I couldn’t imagine how could someone possible invent a combination of cross-country skying and shooting. It blew my mind when I found out there is even weirder combination...
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Monday, March 20, 2017
Česká verze příspěvku In this essay, I would like to sum up my opinions on what is the role of computational linguistics, why should people concern with it and I believe are its current problems, and most importantly why it is a very exciting field...
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English version of the post V tomto příspěvku se pokusím zaujatě a angažovaně shrnout, co je to počítačová (chcete-li komputační nebo matematická) lingvistika, jaké jsou její současné problémy a proč je i přesto fascinujícím oborem, kterým má smysl se zabývat. Počítačová lingvistika je cosi mezi...
popularization
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Wednesday, February 22, 2017
English version of the post Z deep learningu (hlubokého učení – strojového učení pomocí neuronových sítí) se v posledních letech stal buzzword technologického světa. Můžeme číst články, co dovede umělá inteligence (vyčpělé artificial intelligence se s oblibou nahrazuje pojmem machine intelligence) – jak dovede vyřešit automatický překlad,...
popularization
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Česká verze příspěvku In the recent years, deep learning (machine learning with neural networks) became a frequently used buzzword in the technological word. We can find plenty of articles on how machine intelligence (a new, probably sexier term for artificial intelligence) can solve machine translation,...
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Tuesday, November 29, 2016
Česká verze příspěvku A year ago at EMNLP in Lisbon I saw a paper called On Statistical Machine Translation and Translation Theory by Christian Hardmeier. He was standing in front of his poster and almost apologized to everybody who passed by his poster that the...
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English version of the post Před rokem jsem na konferenci EMNLP v Lisabonu zahlédl článek, který se jmenoval On Statistical Machine Translation and Translation Theory (O statistickém strojovém překladu a teorii překladu) od Christiana Hardmeiera. Stál před svým posterem a každému, kdo se u jeho posteru...
popularization
cs
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