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Jan 31, 2019
Computation and Language
Artificial Intelligence

Exploring the context of recurrent neural network based conversationa…

Conversational agents have begun to rise both in the academic (in terms of research) and commercial (in terms of applications) world. This paper inve…
Apr 19, 2018
Discrete Mathematics
Combinatorics
Populations and Evolution

A third strike against perfect phylogeny

Perfect phylogenies are fundamental in the study of evolutionary trees because they capture the situation when each evolutionary trait emerges only o…
Jan 26, 2019
Machine Learning
Quantitative Methods

Discovery of Important Subsequences in Electrocardiogram Beats Using …

The classification of time series data is a well-studied problem with numerous practical applications, such as medical diagnosis and speech recogniti…
Jun 29, 2019
Artificial Intelligence

The ludemic General Game system Ludii and the Regular Boardgames system are two efficient alternatives which outperform the current standard for academic AI research into GGP in terms of reasoning and human-readability. In term of efficiency, Ludii …

An Empirical Evaluation of Two General Game Systems: Ludii and RBG

Although General Game Playing (GGP) systems can facilitate useful research in Artificial Intelligence (AI) for game-playing, they are often computati…
Nov 16, 2013
Discrete Mathematics
Populations and Evolution

Kernelizations for the hybridization number problem on multiple non…

Given a finite set $X$, a collection $\mathcal{T}$ of rooted phylogenetic trees on $X$ and an integer $k$, the Hybridization Number problem asks if t…
May 31, 2019
Artificial Intelligence

Foundations of Digital Archæoludology

Digital Archaeoludology (DAL) is a new field of study involving the analysis and reconstruction of ancient games from incomplete descriptions and arc…
Jun 10, 2019
Artificial Intelligence
Machine Learning
Sound
Audio and Speech Processing

"Did You Hear That?" Learning to Play Video Games from Audio Cues

Game-playing AI research has focused for a long time on learning to play video games from visual input or symbolic information. However, humans benef…
Dec 09, 2017
Artificial Intelligence
Computation and Language
Information Retrieval

Social Emotion Mining Techniques for Facebook Posts Reaction Predicti…

As of February 2016 Facebook allows users to express their experienced emotions about a post by using five so-called `reactions'. This research paper…
Jul 25, 2012
Quantitative Methods
Combinatorics
Populations and Evolution

A simple fixed parameter tractable algorithm for computing the hybr…

Here we present a new fixed parameter tractable algorithm to compute the hybridization number r of two rooted, not necessarily binary phylogenetic tr…
Aug 23, 2011
Populations and Evolution
Data Structures and Algorithms

A note on efficient computation of hybridization number via softwired…

Here we present a new fixed parameter tractable algorithm to compute the hybridization number r of two rooted binary phylogenetic trees on taxon set …
Aug 18, 2011
Computational Complexity
Populations and Evolution

Constructing minimal phylogenetic networks from softwired clusters is…

Here we show that, given a set of clusters C on a set of taxa X, where |X|=n, it is possible to determine in time f(k).poly(n) whether there exists a…
Feb 28, 2019
Econometric
Methodology

Granger Causality Testing in High-Dimensional VARs: a Post-Double-S…

In this paper we develop an LM test for Granger causality in high-dimensional VAR models based on penalized least squares estimations. To obtain a te…
Aug 13, 2019
Machine Learning
Artificial Intelligence

Superstition in the Network: Deep Reinforcement Learning Plays Decept…

Deep reinforcement learning has learned to play many games well, but failed on others. To better characterize the modes and reasons of failure of dee…
Feb 28, 2018
Computer Science and Game Theory

The following questions remain open.

Toll Caps in Privatized Road Networks

We study a nonatomic routing game on a parallel link network in which link owners set tolls for travel so as to maximize profit. A central authority …
Aug 11, 2015
Populations and Evolution
Data Structures and Algorithms
Combinatorics

A note on convex characters, Fibonacci numbers and exponential-time …

Phylogenetic trees are used to model evolution: leaves are labelled to represent contemporary species ("taxa") and interior vertices represent extinc…
Feb 11, 2020
Optimization and Control
Machine Learning
Computation

Self-concordant analysis of Frank-Wolfe algorithms

Projection-free optimization via different variants of the Frank-Wolfe (FW) method has become one of the cornerstones in optimization for machine lea…
Dec 30, 2020
Computation and Language

Improving Zero-Shot Translation by Disentangling Positional Informati…

Multilingual neural machine translation has shown the capability of directly translating between language pairs unseen in training, i.e. zero-shot tr…
Sep 10, 2018
Computer Science and Game Theory
Machine Learning
Optimization and Control

There are many interesting points for future research. First, we have been very agnostic towards the data generating process of the game problem. With an eye towards simulation based solution techniques, it is important to study time-varying games g…

Learning in time-varying games

In this paper, we examine the long-term behavior of regret-minimizing agents in time-varying games with continuous action spaces. In its most basic f…
Jan 12, 2018
Statistics Theory

[Proof of Proposition 3.1.1] We start by remarking that positive elements on a C⋆ algebra form a closed convex cone {a⋆a:a∈C⋆}(see e.g. Conway, 1990). Since elements of L(H)+ have a positive square root, L(H)+ forms a pointed convex cone in the Bana…

A note on Herglotz's theorem for time series on function spaces

In this article, we prove Herglotz's theorem for Hilbert-valued time series. This requires the notion of an operator-valued measure, which we shall m…
Jun 02, 2014
Artificial Intelligence

Monte Carlo Tree Search with Heuristic Evaluations using Implicit M…

Monte Carlo Tree Search (MCTS) has improved the performance of game engines in domains such as Go, Hex, and general game playing. MCTS has been shown…
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