Charles University in Prague

research

∙ 10/28/2021

ÚFAL at MultiLexNorm 2021: Improving Multilingual Lexical Normalization by Fine-tuning ByT5

We present the winning entry to the Multilingual Lexical Normalization (...

David Samuel, et al. ∙

research

∙ 06/10/2021

Shades of BLEU, Flavours of Success: The Case of MultiWOZ

The MultiWOZ dataset (Budzianowski et al.,2018) is frequently used for b...

Tomáš Nekvinda, et al. ∙

research

∙ 06/19/2019

Multi-Agent Pathfinding: Definitions, Variants, and Benchmarks

The MAPF problem is the fundamental problem of planning paths for multip...

Roni Stern, et al. ∙

research

∙ 09/06/2019

User Evaluation of a Multi-dimensional Statistical Dialogue System

We present the first complete spoken dialogue system driven by a multi-d...

Simon Keizer, et al. ∙

research

∙ 05/04/2018

Intracranial Error Detection via Deep Learning

Deep learning techniques have revolutionized the field of machine learni...

Martin Völker, et al. ∙

research

∙ 05/02/2022

Hausa Visual Genome: A Dataset for Multi-Modal English to Hausa Machine Translation

Multi-modal Machine Translation (MMT) enables the use of visual informat...

Idris Abdulmumin, et al. ∙

research

∙ 07/14/2017

CUNI System for the WMT17 Multimodal Translation Task

In this paper, we describe our submissions to the WMT17 Multimodal Trans...

Jindřich Helcl, et al. ∙

research

∙ 04/21/2017

Attention Strategies for Multi-Source Sequence-to-Sequence Learning

Modeling attention in neural multi-source sequence-to-sequence learning ...

Jindřich Libovický, et al. ∙

research

∙ 09/21/2016

Using CMA-ES for tuning coupled PID controllers within models of combustion engines

Proportional integral derivative (PID) controllers are important and wid...

Katerina Henclova, et al. ∙

research

∙ 08/05/2017

Detecting Noteheads in Handwritten Scores with ConvNets and Bounding Box Regression

Noteheads are the interface between the written score and music. Each no...

Jan Hajič Jr., et al. ∙

research

∙ 03/14/2017

In Search of a Dataset for Handwritten Optical Music Recognition: Introducing MUSCIMA++

Optical Music Recognition (OMR) has long been without an adequate datase...

Jan Hajič Jr., et al. ∙

research

∙ 08/03/2015

Using Behavior Objects to Manage Complexity in Virtual Worlds

The quality of high-level AI of non-player characters (NPCs) in commerci...

Martin Černý, et al. ∙

research

∙ 05/11/2014

Using Tabled Logic Programming to Solve the Petrobras Planning Problem

Tabling has been used for some time to improve efficiency of Prolog prog...

Roman Barták, et al. ∙

research

∙ 06/11/2015

Sparse Proteomics Analysis - A compressed sensing-based approach for feature selection and classification of high-dimensional proteomics mass spectrometry data

Background: High-throughput proteomics techniques, such as mass spectrom...

Tim Conrad, et al. ∙

research

∙ 09/17/2016

Hermite interpolation by piecewise polynomial surfaces with polynomial area element

This paper is devoted to the construction of polynomial 2-surfaces which...

Michal Bizzarri, et al. ∙

research

∙ 10/17/2017

Paying Attention to Multi-Word Expressions in Neural Machine Translation

Processing of multi-word expressions (MWEs) is a known problem for any n...

Matīss Rikters, et al. ∙

research

∙ 02/03/2016

Smooth surface interpolation using patches with rational offsets

We present a new method for the interpolation of given data points and a...

Miroslav Lávička, et al. ∙

research

∙ 02/21/2017

Hybrid Dialog State Tracker with ASR Features

This paper presents a hybrid dialog state tracker enhanced by trainable ...

Miroslav Vodolán, et al. ∙

research

∙ 01/12/2017

LanideNN: Multilingual Language Identification on Character Window

In language identification, a common first step in natural language proc...

Tom Kocmi, et al. ∙

research

∙ 07/05/2016

Target-Side Context for Discriminative Models in Statistical Machine Translation

Discriminative translation models utilizing source context have been sho...

Aleš Tamchyna, et al. ∙

research

∙ 06/30/2016

HUME: Human UCCA-Based Evaluation of Machine Translation

Human evaluation of machine translation normally uses sentence-level mea...

Alexandra Birch, et al. ∙

research

∙ 06/28/2016

Recurrent Neural Networks for Dialogue State Tracking

This paper discusses models for dialogue state tracking using recurrent ...

Ondřej Plátek, et al. ∙

research

∙ 06/23/2016

CUNI System for WMT16 Automatic Post-Editing and Multimodal Translation Tasks

Neural sequence to sequence learning recently became a very promising pa...

Jindřich Libovický, et al. ∙

research

∙ 03/31/2016

Data Collection for Interactive Learning through the Dialog

This paper presents a dataset collected from natural dialogs which enabl...

Miroslav Vodolán, et al. ∙

research

∙ 03/29/2016

Towards an Automated Requirements-driven Development of Smart Cyber-Physical Systems

The Invariant Refinement Method for Self Adaptation (IRM-SA) is a design...

Jiri Vinarek, et al. ∙

research

∙ 12/22/2017

Notes on complexity of packing coloring

A packing k-coloring for some integer k of a graph G=(V,E) is a mapping ...

Minki Kim, et al. ∙

research

∙ 11/10/2017

Group Connectivity: Z_4 v. Z_2^2

We answer a question on group connectivity suggested by Jaeger et al. [G...

Radek Hušek, et al. ∙

research

∙ 12/05/2017

Optimal Quasi-Gray Codes: Does the Alphabet Matter?

A quasi-Gray code of dimension n and length ℓ over an alphabet Σ is a se...

Diptarka Chakraborty, et al. ∙

research

∙ 12/05/2017

State spaces of convolutional codes, codings and encoders

In this paper we give a compact presentation of the theory of abstract s...

Štěpán Holub, et al. ∙

research

∙ 10/23/2017

A short proof of the middle levels theorem

Consider the graph that has as vertices all bitstrings of length 2n+1 wi...

Petr Gregor, et al. ∙

research

∙ 10/12/2017

Conant's generalised metric spaces are Ramsey

We give Ramsey expansions of classes of generalised metric spaces where ...

Jan Hubička, et al. ∙

research

∙ 11/13/2017

Tight Cell Probe Bounds for Succinct Boolean Matrix-Vector Multiplication

The conjectured hardness of Boolean matrix-vector multiplication has bee...

Diptarka Chakraborty, et al. ∙

research

∙ 10/18/2017

Empirical regression quantile process with possible application to risk analysis

The processes of the averaged regression quantiles and of their modifica...

Jana Jurečková, et al. ∙

research

∙ 09/01/2017

Counterexample to an extension of the Hanani-Tutte theorem on the surface of genus 4

We find a graph of genus 5 and its drawing on the orientable surface of ...

Radoslav Fulek, et al. ∙

research

∙ 11/06/2017

Applying Convex Integer Programming: Sum Multicoloring and Bounded Neighborhood Diversity

In the past 30 years, results regarding special classes of integer linea...

Tomáš Gavenčiak, et al. ∙

research

∙ 01/09/2018

Denotation Extraction for Interactive Learning in Dialogue Systems

This paper presents a novel task using real user data obtained in human-...

Miroslav Vodolán, et al. ∙

research

∙ 01/10/2018

Characterizing subclasses of cover-incomparability graphs by forbidden subposets

In this paper we demonstrate that several theorems from Bres and Bres3 d...

Jan Bok, et al. ∙

research

∙ 01/16/2018

Lower bounds for Combinatorial Algorithms for Boolean Matrix Multiplication

In this paper we propose models of combinatorial algorithms for the Bool...

Debarati Das, et al. ∙

research

∙ 01/16/2018

Graph-indexed random walks on special classes of graphs

We investigate the paramater of the average range of M-Lipschitz mapping...

Jan Bok, et al. ∙

research

∙ 01/16/2018

Algorithmic aspects of graph-indexed random walks

We study three problems regarding the so called graph-indexed random wal...

Jan Bok, et al. ∙

research

∙ 03/09/2018

Edge-decomposing graphs into coprime forests

The Barat-Thomassen conjecture, recently proved in [Bensmail et al.: A p...

Tereza Klimošová, et al. ∙

research

∙ 03/12/2018

Sorting by Swaps with Noisy Comparisons

We study sorting of permutations by random swaps if each comparison give...

Tomáš Gavenčiak, et al. ∙

research

∙ 03/14/2018

The Z_2-genus of Kuratowski minors

A drawing of a graph on a surface is independently even if every pair of...

Radoslav Fulek, et al. ∙

research

∙ 03/15/2018

Approximating Max-Cut under Graph-MSO Constraints

We consider the max-cut and max-k-cut problems under graph-based constra...

Martin Koutecký, et al. ∙

research

∙ 03/23/2018

On the structure of matrices avoiding interval-minor patterns

We study the structure of 01-matrices avoiding a pattern P as an interva...

Vít Jelínek, et al. ∙

research

∙ 04/01/2018

Training Tips for the Transformer Model

This article describes our experiments in neural machine translation usi...

Martin Popel, et al. ∙

research

∙ 04/15/2018

Edge-sum distinguishing labeling

In this paper we study edge-sum distinguishing labeling, a type of label...

Jan Bok, et al. ∙

research

∙ 04/16/2018

Controlling the Charging of Electric Vehicles with Neural Networks

We propose and evaluate controllers for the coordination of the charging...

Martin Pilát, et al. ∙

research

∙ 01/16/2018

Algorithmic aspects of M-Lipschitz mappings of graphs

M-Lipschitz mappings of graphs (or equivalently graph-indexed random wal...

Jan Bok, et al. ∙

research

∙ 04/27/2018

Extracting Parallel Paragraphs from Common Crawl

Most of the current methods for mining parallel texts from the web assum...

Jakub Kúdela, et al. ∙

Charles University in Prague

Featured Researchers