Humboldt-Universität zu Berlin

research

∙ 04/06/2022

Does non-linear factorization of financial returns help build better and stabler portfolios?

A portfolio allocation method based on linear and non-linear latent cons...

Bruno Spilak, et al. ∙

research

∙ 12/11/2019

Automatic Analysis of Sewer Pipes Based on Unrolled Monocular Fisheye Images

The task of detecting and classifying damages in sewer pipes offers an i...

Johannes Künzel, et al. ∙

research

∙ 07/18/2017

Bayesian Nonlinear Support Vector Machines for Big Data

We propose a fast inference method for Bayesian nonlinear support vector...

Florian Wenzel, et al. ∙

research

∙ 07/20/2017

leave a trace - A People Tracking System Meets Anomaly Detection

Video surveillance always had a negative connotation, among others becau...

Dominik Rueß, et al. ∙

research

∙ 11/22/2016

Feature Importance Measure for Non-linear Learning Algorithms

Complex problems may require sophisticated, non-linear learning methods ...

Marina M. -C. Vidovic, et al. ∙

research

∙ 09/07/2016

Non-Evolutionary Superintelligences Do Nothing, Eventually

There is overwhelming evidence that human intelligence is a product of D...

Telmo Menezes, et al. ∙

research

∙ 01/26/2017

Fast and Accurate Time Series Classification with WEASEL

Time series (TS) occur in many scientific and commercial applications, r...

Patrick Schäfer, et al. ∙

research

∙ 11/17/2015

Active exploration of sensor networks from a robotics perspective

Traditional algorithms for robots who need to integrate into a wireless ...

Christian Blum, et al. ∙

research

∙ 12/21/2017

A continuous framework for fairness

Increasingly, discrimination by algorithms is perceived as a societal an...

Philipp Hacker, et al. ∙

research

∙ 09/26/2014

Gradient-based Taxis Algorithms for Network Robotics

Finding the physical location of a specific network node is a prototypic...

Christian Blum, et al. ∙

research

∙ 01/14/2013

Fano schemes of generic intersections and machine learning

We investigate Fano schemes of conditionally generic intersections, i.e....

Franz Király, et al. ∙

research

∙ 11/13/2017

Smaller parameters for vertex cover kernelization

We revisit the topic of polynomial kernels for Vertex Cover relative to ...

Eva-Maria C. Hols, et al. ∙

research

∙ 09/28/2017

Answering UCQs under updates and in the presence of integrity constraints

We investigate the query evaluation problem for fixed queries over fully...

Christoph Berkholz, et al. ∙

research

∙ 08/09/2017

Demand-Independent Tolls

Wardrop equilibria in nonatomic congestion games are in general ineffici...

Riccardo Colini-Baldeschi, et al. ∙

research

∙ 10/19/2017

Early stopping for statistical inverse problems via truncated SVD estimation

We consider truncated SVD (or spectral cut-off, projection) estimators f...

Gilles Blanchard, et al. ∙

research

∙ 02/09/2017

Memetic search for overlapping topics based on a local evaluation of link communities

In spite of recent advances in field delineation methods, bibliometricia...

Frank Havemann, et al. ∙

research

∙ 01/08/2018

Statistical Experimental Design in Compressed Sensing Set-ups for Optical and Transmission Electron Microscopy

The Cramér Rao lower bound on the variance of parameters estimated from ...

Wouter Van den Broek, et al. ∙

research

∙ 01/08/2018

Discrete Gaussian distributions via theta functions

We introduce a discrete analogue of the classical multivariate Gaussian ...

Daniele Agostini, et al. ∙

research

∙ 02/05/2018

Shadow Symbolic Execution with Java PathFinder

Regression testing ensures that a software system when it evolves still ...

Yannic Noller, et al. ∙

research

∙ 02/18/2018

Efficient Gaussian Process Classification Using Polya-Gamma Data Augmentation

We propose an efficient stochastic variational approach to GP classifica...

Florian Wenzel, et al. ∙

research

∙ 02/19/2018

Maximal Exploration of Trees with Energy-Constrained Agents

We consider the problem of exploring an unknown tree with a team of k in...

Evangelos Bampas, et al. ∙

research

∙ 02/20/2018

The parameterized complexity of finding a 2-sphere in a simplicial complex

We consider the problem of finding a subcomplex K' of a simplicial compl...

Benjamin Burton, et al. ∙

research

∙ 02/28/2018

Capturing Logarithmic Space and Polynomial Time on Chordal Claw-Free Graphs

We show that the class of chordal claw-free graphs admits LREC=-definabl...

Berit Grußien, et al. ∙

research

∙ 03/29/2018

Capturing Polynomial Time using Modular Decomposition

The question of whether there is a logic that captures polynomial time i...

Berit Grußien, et al. ∙

research

∙ 04/17/2018

High Dimensional Time Series Generators

Multidimensional time series are sequences of real valued vectors. They ...

Jörg P. Bachmann, et al. ∙

research

∙ 04/26/2018

Efficient and adaptive parameterized algorithms on modular decompositions

We study the influence of a graph parameter called modular-width on the ...

Stefan Kratsch, et al. ∙

research

∙ 05/07/2018

Online Best Reply Algorithms for Resource Allocation Problems

We study online resource allocation problems with a diseconomy of scale....

Max Klimm, et al. ∙

research

∙ 05/12/2018

Bipartite Graphs of Small Readability

We study a parameter of bipartite graphs called readability, introduced ...

Rayan Chikhi, et al. ∙

research

∙ 05/30/2018

Predictive Performance Modeling for Distributed Computing using Black-Box Monitoring and Machine Learning

In many domains, the previous decade was characterized by increasing dat...

Carl Witt, et al. ∙

research

∙ 06/07/2018

Greedy domination on biclique-free graphs

The greedy algorithm for approximating dominating sets is a simple metho...

Sebastian Siebertz, et al. ∙

research

∙ 05/04/2018

Selective Inference for L_2-Boosting

We review several recently proposed post-selection inference frameworks ...

David Rügamer, et al. ∙

research

∙ 06/13/2018

Cross-modal Hallucination for Few-shot Fine-grained Recognition

State-of-the-art deep learning algorithms generally require large amount...

Frederik Pahde, et al. ∙

research

∙ 07/05/2018

Reflection Analysis for Face Morphing Attack Detection

A facial morph is a synthetically created image of a face that looks sim...

Clemens Seibold, et al. ∙

research

∙ 07/04/2018

Mapping the research software sustainability space

A growing number of largely uncoordinated initiatives focus on research ...

Stephan Druskat, et al. ∙

research

∙ 07/10/2018

Scalable Katz Ranking Computation in Large Static and Dynamic Graphs

Network analysis defines a number of centrality measures to identify the...

Alexander van der Grinten, et al. ∙

research

∙ 07/19/2018

The State of Sustainable Research Software: Results from the Workshop on Sustainable Software for Science: Practice and Experiences (WSSSPE5.1)

This article summarizes motivations, organization, and activities of the...

Daniel S Katz, et al. ∙

research

∙ 08/15/2018

Testing for Balance in Social Networks

Friendship and antipathy exist in concert with one another in real socia...

Derek Feng, et al. ∙

research

∙ 09/07/2018

Asymptotic efficiency for covariance estimation under noise and asynchronicity

The estimation of the covariance structure from a discretely observed mu...

Sebastian Holtz, et al. ∙

research

∙ 09/11/2018

Nonparametric Bayesian analysis of the compound Poisson prior for support boundary recovery

Given data from a Poisson point process with intensity (x,y) n 1(f(x)≤ ...

Markus Reiß, et al. ∙

research

∙ 09/11/2018

Multivariate Brenier cumulative distribution functions and their application to non-parametric testing

In this work we introduce a novel approach of construction of multivaria...

Melf Boeckel, et al. ∙

research

∙ 10/09/2018

D-Optimal Design for the Rasch Counts Model with Multiple Binary Predictors

In this paper, we derive optimal designs for the Rasch Poisson counts mo...

Ulrike Graßhoff, et al. ∙

research

∙ 10/16/2018

Multi-budgeted directed cuts

We study multi-budgeted variants of the classic minimum cut problem and ...

Stefan Kratsch, et al. ∙

research

∙ 10/24/2018

Communities as Well Separated Subgraphs With Cohesive Cores: Identification of Core-Periphery Structures in Link Communities

Communities in networks are commonly considered as highly cohesive subgr...

Frank Havemann, et al. ∙

research

∙ 10/29/2018

An Optimal Construction for the Barthelmann-Schwentick Normal Form on Classes of Structures of Bounded Degree

Building on the locality conditions for first-order logic by Hanf and Ga...

André Frochaux, et al. ∙

research

∙ 11/07/2018

A note on the prediction error of principal component regression

We analyse the prediction error of principal component regression (PCR) ...

Martin Wahl, et al. ∙

research

∙ 11/16/2018

Progressive Algorithms for Domination and Independence

We consider a generic algorithmic paradigm that we call progressive expl...

Grzegorz Fabiański, et al. ∙

research

∙ 11/20/2018

Parametrized Nash Equilibria in Atomic Splittable Congestion Games via Weighted Block Laplacians

We consider atomic splittable congestion games with affine cost function...

Max Klimm, et al. ∙

research

∙ 11/27/2018

An Analytical Approach to Improving Time Warping on Multidimensional Time Series

Dynamic time warping (DTW) is one of the most used distance functions to...

Jörg P. Bachmann, et al. ∙

research

∙ 11/27/2018

Efficient Measuring of Congruence on High Dimensional Time Series

A time series is a sequence of data items; typical examples are streams ...

Jörg P. Bachmann, et al. ∙

research

∙ 12/09/2018

Uniform Hanson-Wright type concentration inequalities for unbounded entries via the entropy method

This paper is devoted to uniform versions of the Hanson-Wright inequalit...

Yegor Klochkov, et al. ∙

Humboldt-Universität zu Berlin

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