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Handling imbalanced target distributions in regression poses a persistent challenge, as the underrepresentation of relevant target values can significantly hinder model performance. Existing data-level solutions often adapt…

Machine Learning · Computer Science 2026-03-12 António Pedro Pinheiro , Rita P. Ribeiro

Modern conversational AI systems support natural language understanding for a wide variety of capabilities. While a majority of these tasks can be accomplished using a simple and flat representation of intents and slots, more sophisticated…

Computation and Language · Computer Science 2020-11-05 Ke Tran , Ming Tan

Privacy-preserving synthetic data offers a promising solution to harness segregated data in high-stakes domains where information is compartmentalized for regulatory, privacy, or institutional reasons. This survey provides a comprehensive…

Cryptography and Security · Computer Science 2025-03-28 Viktor Schlegel , Anil A Bharath , Zilong Zhao , Kevin Yee

Answering questions that require reasoning and aggregation across both structured (tables) and unstructured (raw text) data sources presents significant challenges. Current methods rely on fine-tuning and high-quality, human-curated data,…

Computation and Language · Computer Science 2025-01-30 Ankush Agarwal , Ganesh S , Chaitanya Devaguptapu

The generation of synthetic clinical trial data offers a promising approach to mitigating privacy concerns and data accessibility limitations in medical research. However, ensuring that synthetic datasets maintain high fidelity, utility,…

Machine Learning · Computer Science 2025-12-16 Waldemar Hahn , Jan-Niklas Eckardt , Christoph Röllig , Martin Sedlmayr , Jan Moritz Middeke , Markus Wolfien

Machine learning development critically depends on access to high-quality data. However, increasing restrictions due to privacy, proprietary interests, and ethical concerns have created significant barriers to data accessibility. Synthetic…

Machine Learning · Computer Science 2025-11-14 Ivona Krchova , Mariana Vargas Vieyra , Mario Scriminaci , Andrey Sidorenko

Generative Foundation Models (GFMs) have achieved remarkable success in producing high-quality synthetic data for images and text. However, their application to tabular data presents significant challenges due to the heterogeneous nature of…

Machine Learning · Computer Science 2025-11-27 Xiaofeng Lin , Chenheng Xu , Matthew Yang , Guang Cheng

Training conversational question-answering (QA) systems requires a substantial amount of in-domain data, which is often scarce in practice. A common solution to this challenge is to generate synthetic data. Traditional methods typically…

Machine Learning · Computer Science 2025-04-22 Kun Qian , Maximillian Chen , Siyan Li , Arpit Sharma , Zhou Yu

We present a framework for generating natural language description from structured data such as tables; the problem comes under the category of data-to-text natural language generation (NLG). Modern data-to-text NLG systems typically employ…

Computation and Language · Computer Science 2019-10-08 Anirban Laha , Parag Jain , Abhijit Mishra , Karthik Sankaranarayanan

Deep learning methods have demonstrated outstanding performances on classification and regression tasks on homogeneous data types (e.g., image, audio, and text data). However, tabular data still pose a challenge, with classic machine…

Machine Learning · Computer Science 2023-11-15 Antonio Briola , Yuanrong Wang , Silvia Bartolucci , Tomaso Aste

Privacy, data quality, and data sharing concerns pose a key limitation for tabular data applications. While generating synthetic data resembling the original distribution addresses some of these issues, most applications would benefit from…

Machine Learning · Computer Science 2024-06-04 Mark Vero , Mislav Balunović , Martin Vechev

Program synthesis is challenging largely because of the difficulty of search in a large space of programs. Human programmers routinely tackle the task of writing complex programs by writing sub-programs and then analyzing their intermediate…

Programming Languages · Computer Science 2023-10-31 Augustus Odena , Kensen Shi , David Bieber , Rishabh Singh , Charles Sutton , Hanjun Dai

Differential privacy (DP) is increasingly used to protect the release of hierarchical, tabular population data, such as census data. A common approach for implementing DP in this setting is to release noisy responses to a predefined set of…

Cryptography and Security · Computer Science 2024-04-03 Aadyaa Maddi , Swadhin Routray , Alexander Goldberg , Giulia Fanti

Synthesizing high-quality mathematical reasoning data without human priors remains a significant challenge. Current approaches typically rely on seed data mutation or simple prompt engineering, often suffering from mode collapse and limited…

Computation and Language · Computer Science 2026-04-14 Zixiong Yu , Jun Rao , Guhan Chen , Songtao Tian , Bohan Li , Jiansheng Wei , Min Zhang , Xiaojun Meng

This project introduces a hierarchical planner integrating Linear Temporal Logic (LTL) constraints with natural language prompting for robot motion planning. The framework decomposes maps into regions, generates directed graphs, and…

Robotics · Computer Science 2025-01-14 Jingzhan Ge , Zi-Hao Zhang , Sheng-En Huang

Hierarchical clustering is a popular unsupervised data analysis method. For many real-world applications, we would like to exploit prior information about the data that imposes constraints on the clustering hierarchy, and is not captured by…

Data Structures and Algorithms · Computer Science 2018-07-17 Vaggos Chatziafratis , Rad Niazadeh , Moses Charikar

Reliable data quality is crucial for downstream analysis of tabular datasets, yet rule-based validation often struggles with inefficiency, human intervention, and high computational costs. We present a three-stage framework that combines…

Software Engineering · Computer Science 2025-09-23 Ashlesha Akella , Akshar Kaul , Krishnasuri Narayanam , Sameep Mehta

Background: Heart failure (HF) research is constrained by limited access to large, shareable datasets due to privacy regulations and institutional barriers. Synthetic data generation offers a promising solution to overcome these challenges…

The success of large language models (LLMs) depends heavily on large-scale, high-quality instruction-following and reinforcement datasets. However, generating such data through human annotation is prohibitively time-consuming particularly…

Computation and Language · Computer Science 2026-02-02 Chenhua Shi , Gregor Macdonald , Bhavika Jalli , Wanlu Lei , John Zou , Mridul Jain , Joji Philip

This paper proposes DeepRule, an integrated framework for automated business rule generation in retail assortment and pricing optimization. Addressing the systematic misalignment between existing theoretical models and real-world economic…

Artificial Intelligence · Computer Science 2025-12-04 Yusen Wu , Xiaotie Deng