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Machine learning heavily relies on data, but real-world applications often encounter various data-related issues. These include data of poor quality, insufficient data points leading to under-fitting of machine learning models, and…

Machine Learning · Computer Science 2025-04-07 Yingzhou Lu , Lulu Chen , Yuanyuan Zhang , Minjie Shen , Huazheng Wang , Xiao Wang , Capucine van Rechem , Tianfan Fu , Wenqi Wei

Existing differentially private (DP) synthetic data generation mechanisms typically assume a single-source table. In practice, data is often distributed across multiple tables with relationships across tables. In this paper, we introduce…

Machine Learning · Computer Science 2025-01-22 Kaveh Alimohammadi , Hao Wang , Ojas Gulati , Akash Srivastava , Navid Azizan

Datasets of different characteristics are needed by the research community for experimental purposes. However, real data may be difficult to obtain due to privacy concerns. Moreover, real data may not meet specific characteristics which are…

Databases · Computer Science 2013-11-15 Vanessa Ayala-Rivera , Patrick McDonagh , Thomas Cerqueus , Liam Murphy

We consider the estimation of densities in multiple subpopulations, where the available sample size in each subpopulation greatly varies. This problem occurs in epidemiology, for example, where different diseases may share similar…

Methodology · Statistics 2021-09-15 Jiaming Qiu , Xiongtao Dai , Zhengyuan Zhu

The public availability of collections containing user preferences is of vital importance for performing offline evaluations in the field of recommender systems. However, the number of rating datasets is limited because of the costs…

Information Retrieval · Computer Science 2019-09-04 Diego Monti , Giuseppe Rizzo , Maurizio Morisio

Computational models have emerged as powerful tools for multi-scale energy modeling research at the building and urban scale, supporting data-driven analysis across building and urban energy systems. However, these models require large…

Artificial Intelligence · Computer Science 2026-04-09 Jackson Eshbaugh , Chetan Tiwari , Jorge Silveyra

Synthetic Data Generation (SDG), leveraging Large Language Models (LLMs), has recently been recognized and broadly adopted as an effective approach to improve the performance of smaller but more resource and compute efficient LLMs through…

Machine Learning · Computer Science 2026-03-25 Srideepika Jayaraman , Achille Fokoue , Dhaval Patel , Jayant Kalagnanam

This paper studies the feasibility of synthetic data generation for mission-critical applications. The emphasis is on synthetic data generation for anomalous detection in complex social networks. In particular, the development of a…

Social and Information Networks · Computer Science 2020-10-27 Andreea Sistrunk , Vanessa Cedeno , Subhodip Biswas

Recent advances in generative modelling have led many to see synthetic data as the go-to solution for a range of problems around data access, scarcity, and under-representation. In this paper, we study three prominent use cases: (1) Sharing…

Machine Learning · Computer Science 2026-02-04 Bogdan Kulynych , Theresa Stadler , Jean Louis Raisaro , Carmela Troncoso

With the increasing number of exoplanets discovered, statistical properties of the population as a whole become unique constraints on planet formation models provided a link between the description of the detailed processes playing a role…

Earth and Planetary Astrophysics · Physics 2015-06-18 W. Benz , S. Ida , Y. Alibert , D. N. C. Lin , C. Mordasini

The recent development of multi-agent simulations brings about a need for population synthesis. It is a task of reconstructing the entire population from a sampling survey of limited size (1% or so), supplying the initial conditions from…

Neural and Evolutionary Computing · Computer Science 2016-11-15 Naoki Hamada , Katsumi Homma , Hiroyuki Higuchi , Hideyuki Kikuchi

Sharing sensitive data is vital in enabling many modern data analysis and machine learning tasks. However, current methods for data release are insufficiently accurate or granular to provide meaningful utility, and they carry a high risk of…

Databases · Computer Science 2021-08-25 Teddy Cunningham , Graham Cormode , Hakan Ferhatosmanoglu

Statistical matching methods are widely used in the social and health sciences to estimate causal effects using observational data. Often the objective is to find comparable groups with similar covariate distributions in a dataset, with the…

Applications · Statistics 2021-01-19 Felix Bestehorn , Maike Bestehorn , Christian Kirches

The availability of genomic data is essential to progress in biomedical research, personalized medicine, etc. However, its extreme sensitivity makes it problematic, if not outright impossible, to publish or share it. As a result, several…

Genomics · Quantitative Biology 2022-01-19 Bristena Oprisanu , Georgi Ganev , Emiliano De Cristofaro

We present new techniques for automatically constructing probabilistic programs for data analysis, interpretation, and prediction. These techniques work with probabilistic domain-specific data modeling languages that capture key properties…

Programming Languages · Computer Science 2019-07-16 Feras A. Saad , Marco F. Cusumano-Towner , Ulrich Schaechtle , Martin C. Rinard , Vikash K. Mansinghka

In recent years, as smart home systems have become more widespread, security concerns within these environments have become a growing threat. Currently, most smart home security solutions, such as anomaly detection and behavior prediction…

Artificial Intelligence · Computer Science 2025-02-03 Zhiyao Xu , Dan Zhao , Qingsong Zou , Jingyu Xiao , Yong Jiang , Zhenhui Yuan , Qing Li

Recent advancements in large language models (LLMs) and agent technologies offer promising solutions to the simulation of social science experiments, but the availability of data of real-world population required by many of them still poses…

Computers and Society · Computer Science 2024-09-18 Yuqi Bai , Kun Sun , Huishi Yin

Synthetic datasets are important for evaluating and testing machine learning models. When evaluating real-life recommender systems, high-dimensional categorical (and sparse) datasets are often considered. Unfortunately, there are not many…

Information Retrieval · Computer Science 2024-12-11 Miha Malenšek , Blaž Škrlj , Blaž Mramor , Jure Demšar

We consider the problem of synthetically generating data that can closely resemble human decisions made in the context of an interactive human-AI system like a computer game. We propose a novel algorithm that can generate synthetic,…

Machine Learning · Computer Science 2023-04-17 Bryan Brandt , Prithviraj Dasgupta

With the advent of generative modeling techniques, synthetic data and its use has penetrated across various domains from unstructured data such as image, text to structured dataset modeling healthcare outcome, risk decisioning in financial…

Machine Learning · Computer Science 2021-05-11 Aman Gupta , Deepak Bhatt , Anubha Pandey