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Process discovery is a family of techniques that helps to comprehend processes from their data footprints. Yet, as processes change over time so should their corresponding models, and failure to do so will lead to models that under- or…

人工智能 · 计算机科学 2022-08-11 Andrea Burattin , Hugo A. López , Lasse Starklit

We propose and study a method for learning interpretable representations for the task of regression. Features are represented as networks of multi-type expression trees comprised of activation functions common in neural networks in addition…

神经与进化计算 · 计算机科学 2019-03-26 William La Cava , Tilak Raj Singh , James Taggart , Srinivas Suri , Jason H. Moore

This paper studies how insurers can chose which claims to investigate for fraud. Given a prediction model, typically only claims with the highest predicted propability of being fraudulent are investigated. We argue that this can lead to…

机器学习 · 统计学 2025-09-24 Christos Revelas , Otilia Boldea , Bas J. M. Werker

A validated simulation model primarily requires performing an appropriate input analysis mainly by determining the behavior of real-world processes using probability distributions. In many practical cases, probability distributions of the…

应用统计 · 统计学 2014-03-05 Issac Shams , Saeede Ajorlou , Kai Yang

Classic estimation methods for Hawkes processes rely on the assumption that observed event times are indeed a realisation of a Hawkes process, without considering any potential perturbation of the model. However, in practice, observations…

统计方法学 · 统计学 2025-08-21 Anna Bonnet , Felix Cheysson , Miguel Martinez Herrera , Maxime Sangnier

We propose a doubly robust approach to characterizing treatment effect heterogeneity in observational studies. We develop a frequentist inferential procedure that utilizes posterior distributions for both the propensity score and outcome…

统计方法学 · 统计学 2022-07-21 Heejun Shin , Joseph Antonelli

We introduce a broad class of analytically solvable processes on networks. In the special case, they reduce to random walk and consensus process - two most basic processes on networks. Our class differs from previous models of interactions…

物理与社会 · 物理学 2012-03-12 Daniel Smilkov , Ljupco Kocarev

This work is devoted to the development of a distributionally robust active fault diagnosis approach for a class of nonlinear systems, which takes into account any ambiguity in distribution information of the uncertain model parameters.…

最优化与控制 · 数学 2021-08-12 Ioannis Tzortzis , Marios M. Polycarpou

Two different approaches to dealing with probabilistic knowledge are examined -models and inductive inference. Examples of the first are: influence diagrams [1], Bayesian networks [2], log-linear models [3, 4]. Examples of the second are:…

人工智能 · 计算机科学 2013-04-12 Norman C. Dalkey

Non-probability samples become increasingly popular in survey statistics but may suffer from selection biases that limit the generalizability of results to the target population. We consider integrating a non-probability sample with a…

统计方法学 · 统计学 2019-08-26 Shu Yang , Jae Kwang Kim , Rui Song

In most real-world recommender systems, the observed rating data are subject to selection bias, and the data are thus missing-not-at-random. Developing a method to facilitate the learning of a recommender with biased feedback is one of the…

社会与信息网络 · 计算机科学 2022-06-16 Yuta Saito

This paper presents a new approach to statistical similarity assessment based on sequence alignment. The algorithm performs mutual matching of two random sequences by successively searching for common elements and by applying sequence…

信号处理 · 电气工程与系统科学 2021-06-09 Jakub Nikonowicz , Łukasz Matuszewski , Paweł Kubczak

Conformance checking techniques allow us to evaluate how well some exhibited behaviour, represented by a trace of monitored events, conforms to a specified process model. Modern monitoring and activity recognition technologies, such as…

人工智能 · 计算机科学 2023-03-31 Jiawei Zheng , Petros Papapanagiotou , Jacques D. Fleuriot

This paper investigates stochastic nondeterminism on continuous state spaces by relating nondeterministic kernels and stochastic effectivity functions to each other. Nondeterministic kernels are functions assigning each state a set o…

计算机科学中的逻辑 · 计算机科学 2015-07-07 Ernst-Erich Doberkat , Pedro Sánchez Terraf

Recent works have shown that defining a behavioural equivalence that matches the observational properties of a quantum-capable, concurrent, non-deterministic system is a surprisingly difficult task. We explore coalgebras over distributions…

计算机科学中的逻辑 · 计算机科学 2025-09-26 Lorenzo Ceragioli , Elena Di Lavore , Giuseppe Lomurno , Gabriele Tedeschi

We consider the problem of bandwidth selection by cross-validation from a sequential point of view in a nonparametric regression model. Having in mind that in applications one often aims at estimation, prediction and change detection…

统计理论 · 数学 2018-03-20 Ansgar Steland

The parity decision tree model extends the decision tree model by allowing the computation of a parity function in one step. We prove that the deterministic parity decision tree complexity of any Boolean function is polynomially related to…

计算复杂性 · 计算机科学 2010-04-06 Zhiqiang Zhang , Yaoyun Shi

Nonprobability (convenience) samples are increasingly sought to stabilize estimations for one or more population variables of interest that are performed using a randomized survey (reference) sample by increasing the effective sample size.…

This paper considers multiple regression procedures for analyzing the relationship between a response variable and a vector of covariates in a nonparametric setting where both tuning parameters and the number of covariates need to be…

统计理论 · 数学 2007-06-13 Chad M. Schafer , Kjell A. Doksum

We consider two variables that are related to each other by an invertible function. While it has previously been shown that the dependence structure of the noise can provide hints to determine which of the two variables is the cause, we…