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Currently, statistical tests for random number generators (RNGs) are widely used in practice, and some of them are even included in information security standards. But despite the popularity of RNGs, consistent tests are known only for…

Statistics Theory · Mathematics 2021-05-17 Boris Ryabko

Chart constraints, which specify at which string positions a constituent may begin or end, have been shown to speed up chart parsers for PCFGs. We generalize chart constraints to more expressive grammar formalisms and describe a neural…

Computation and Language · Computer Science 2018-06-29 Stefan Grünewald , Sophie Henning , Alexander Koller

Temporary syntactic ambiguities arise when the beginning of a sentence is compatible with multiple syntactic analyses. We inspect to which extent neural language models (LMs) exhibit uncertainty over such analyses when processing…

Computation and Language · Computer Science 2021-09-17 Laura Aina , Tal Linzen

The recent success of generative adversarial networks and variational learning suggests training a classifier network may work well in addressing the classical two-sample problem. Network-based tests have the computational advantage that…

Machine Learning · Statistics 2022-06-01 Xiuyuan Cheng , Alexander Cloninger

The evaluation of question answering models compares ground-truth annotations with model predictions. However, as of today, this comparison is mostly lexical-based and therefore misses out on answers that have no lexical overlap but are…

Computation and Language · Computer Science 2021-10-22 Julian Risch , Timo Möller , Julian Gutsch , Malte Pietsch

Recent research in provably secure neural linguistic steganography has overlooked a crucial aspect: the sender must detokenize stegotexts to avoid raising suspicion from the eavesdropper. The segmentation ambiguity problem, which arises…

Cryptography and Security · Computer Science 2024-12-17 Yuang Qi , Kejiang Chen , Kai Zeng , Weiming Zhang , Nenghai Yu

Code-mixed texts are widespread nowadays due to the advent of social media. Since these texts combine two languages to formulate a sentence, it gives rise to various research problems related to Natural Language Processing. In this paper,…

Computation and Language · Computer Science 2020-07-30 Tathagata Raha , Sainik Kumar Mahata , Dipankar Das , Sivaji Bandyopadhyay

Transcribing the speech of multiple overlapping speakers typically requires separating the audio into multiple streams and recognizing each one independently. More recent work jointly separates and transcribes, but requires a separate…

Computation and Language · Computer Science 2024-08-14 Chak-Fai Li , William Hartmann , Matthew Snover

We compare four similarity-based estimation methods against back-off and maximum-likelihood estimation methods on a pseudo-word sense disambiguation task in which we controlled for both unigram and bigram frequency. The similarity-based…

cmp-lg · Computer Science 2008-02-03 Ido Dagan , Lillian Lee , Fernando Pereira

It has been found that stochastic algorithms often find good solutions much more rapidly than inherently-batch approaches. Indeed, a very useful rule of thumb is that often, when solving a machine learning problem, an iterative technique…

Machine Learning · Computer Science 2013-08-19 Andrew Cotter

Despite the recent growth of theoretical studies and empirical successes of neural networks, gradient backpropagation is still the most widely used algorithm for training such networks. On the one hand, we have deterministic or full…

Machine Learning · Computer Science 2023-10-20 Pascal Junior Tikeng Notsawo

The ability to reliably distinguish human-written text from that generated by large language models is of profound societal importance. The dominant approach to this problem exploits the likelihood hypothesis: that machine-generated text…

Computation and Language · Computer Science 2026-05-08 Tom Kempton , Viktor Drobnyi , Maeve Madigan , Stuart Burrell

Traditional Linear Genetic Programming (LGP) algorithms are based only on the selection mechanism to guide the search. Genetic operators combine or mutate random portions of the individuals, without knowing if the result will lead to a…

Neural and Evolutionary Computing · Computer Science 2017-04-05 Léo Françoso Dal Piccol Sotto , Vinícius Veloso de Melo

Parametric empirical Bayes (EB) estimators have been widely used in variety of fields including small area estimation, disease mapping. Since EB estimator is constructed by plugging in the estimator of parameters in prior distributions, it…

Methodology · Statistics 2017-04-28 Shonosuke Sugasawa

We investigate the effects of multi-task learning using the recently introduced task of semantic tagging. We employ semantic tagging as an auxiliary task for three different NLP tasks: part-of-speech tagging, Universal Dependency parsing,…

Computation and Language · Computer Science 2018-08-30 Mostafa Abdou , Artur Kulmizev , Vinit Ravishankar , Lasha Abzianidze , Johan Bos

Part-of-speech (POS) tagging is considered as one of the basic but necessary tools which are required for many Natural Language Processing (NLP) applications such as word sense disambiguation, information retrieval, information processing,…

Computation and Language · Computer Science 2020-01-13 Ibrahim Gashaw , H L. Shashirekha

This paper describes a method for estimating conditional probability distributions over the parses of ``unification-based'' grammars which can utilize auxiliary distributions that are estimated by other means. We show how this can be used…

Computation and Language · Computer Science 2007-05-23 Mark Johnson , Stefan Riezler

We propose LaserTagger - a sequence tagging approach that casts text generation as a text editing task. Target texts are reconstructed from the inputs using three main edit operations: keeping a token, deleting it, and adding a phrase…

Computation and Language · Computer Science 2019-09-04 Eric Malmi , Sebastian Krause , Sascha Rothe , Daniil Mirylenka , Aliaksei Severyn

Open-generation bias benchmarks evaluate social biases in Large Language Models (LLMs) by analyzing their outputs. However, the classifiers used in analysis often have inherent biases, leading to unfair conclusions. This study examines such…

Computation and Language · Computer Science 2025-01-22 Nathaniel Demchak , Xin Guan , Zekun Wu , Ziyi Xu , Adriano Koshiyama , Emre Kazim

Parsing Expression Grammars (PEGs) are a recognition-based formalism which allows to describe the syntactical and the lexical elements of a language. The main difference between Context-Free Grammars (CFGs) and PEGs relies on the…

Formal Languages and Automata Theory · Computer Science 2020-11-10 Sérgio Medeiros , Carlos Olarte