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Symbolic regression (SR) searches for parametric models that accurately fit a dataset, prioritizing simplicity and interpretability. Despite this secondary objective, studies point out that the models are often overly complex due to…

Neural and Evolutionary Computing · Computer Science 2024-04-10 Guilherme Seidyo Imai Aldeia , Fabricio Olivetti de Franca , William G. La Cava

Recent advances in self-supervised speech models have shown significant improvement in many downstream tasks. However, these models predominantly centered on frame-level training objectives, which can fall short in spoken language…

Audio and Speech Processing · Electrical Eng. & Systems 2024-02-09 Hung-Chieh Fang , Nai-Xuan Ye , Yi-Jen Shih , Puyuan Peng , Hsuan-Fu Wang , Layne Berry , Hung-yi Lee , David Harwath

We study the coarse-grained selection module in retrieval-based chatbot. Coarse-grained selection is a basic module in a retrieval-based chatbot, which constructs a rough candidate set from the whole database to speed up the interaction…

Computation and Language · Computer Science 2020-12-21 Tian Lan , Xian-Ling Mao , Xiaoyan Gao , Wei Wei , Heyan Huang

Motivated by real-life deployments of multi-round federated analytics with secure aggregation, we investigate the fundamental communication-accuracy tradeoffs of the heavy hitter discovery and approximate (open-domain) histogram problems…

Data Structures and Algorithms · Computer Science 2023-07-26 Adria Gascon , Peter Kairouz , Ziteng Sun , Ananda Theertha Suresh

Stochastic sequential decision making often requires hierarchical structure in the problem where each high-level action should be further planned with primitive states and actions. In addition, many real-world applications require a plan…

Artificial Intelligence · Computer Science 2022-05-12 Sungkweon Hong , Brian C. Williams

We introduce a generic template for developing regret minimization algorithms in the Stochastic Shortest Path (SSP) model, which achieves minimax optimal regret as long as certain properties are ensured. The key of our analysis is a new…

Machine Learning · Computer Science 2021-11-11 Liyu Chen , Mehdi Jafarnia-Jahromi , Rahul Jain , Haipeng Luo

Supervised hashing aims to map the original features to compact binary codes that are able to preserve label based similarity in the Hamming space. Non-linear hash functions have demonstrated the advantage over linear ones due to their…

Computer Vision and Pattern Recognition · Computer Science 2016-11-17 Guosheng Lin , Chunhua Shen , Qinfeng Shi , Anton van den Hengel , David Suter

Sparsity-constrained optimization underlies many problems in signal processing, statistics, and machine learning. State-of-the-art hard-thresholding (HT) algorithms rely on an appropriately selected continuous step-size parameter to ensure…

Machine Learning · Statistics 2026-05-13 Jin Zhu , Junxian Zhu , Zezhi Wang , Borui Tang , Hongmei Lin , Xueqin Wang

Efficient inference for wide output layers (WOLs) is an essential yet challenging task in large scale machine learning. Most approaches reduce this problem to approximate maximum inner product search (MIPS), which relies heavily on the…

Information Retrieval · Computer Science 2020-07-06 Zichang Liu , Zhaozhuo Xu , Alan Ji , Jonathan Li , Beidi Chen , Anshumali Shrivastava

In this work, we expand the cooperative multi-task semantic communication framework (CMT-SemCom) introduced in [1], which divides the semantic encoder on the transmitter side into a common unit (CU) and multiple specific units (SUs), to a…

Signal Processing · Electrical Eng. & Systems 2026-01-27 Ahmad Halimi Razlighi , Carsten Bockelmann , Armin Dekorsy

Local search algorithms are well-known methods for solving large, hard instances of the satisfiability problem (SAT). The performance of these algorithms crucially depends on heuristics for setting noise parameters and scoring variables.…

Artificial Intelligence · Computer Science 2023-07-11 Yannet Interian , Sara Bernardini

In the article, within the framework of the Boolean Satisfiability problem (SAT), the problem of estimating the hardness of specific Boolean formulas w.r.t. a specific complete SAT solving algorithm is considered. Based on the well-known…

Artificial Intelligence · Computer Science 2023-12-19 Daniil Chivilikhin , Artem Pavlenko , Alexander Semenov

Audio fingerprinting systems must efficiently and robustly identify query snippets in an extensive database. To this end, state-of-the-art systems use deep learning to generate compact audio fingerprints. These systems deploy indexing…

Audio and Speech Processing · Electrical Eng. & Systems 2023-01-20 Anup Singh , Kris Demuynck , Vipul Arora

Symbolic regression encompasses a family of search algorithms that aim to discover the best fitting function for a set of data without requiring an a priori specification of the model structure. The most successful and commonly used…

Neural and Evolutionary Computing · Computer Science 2025-08-20 Bogdan Burlacu

Building competitive hybrid hidden Markov model~(HMM) systems for automatic speech recognition~(ASR) requires a complex multi-stage pipeline consisting of several training criteria. The recent sequence-to-sequence models offer the advantage…

Sound · Computer Science 2023-06-19 Tina Raissi , Christoph Lüscher , Moritz Gunz , Ralf Schlüter , Hermann Ney

Existing deep hashing approaches fail to fully explore semantic correlations and neglect the effect of linguistic context on visual attention learning, leading to inferior performance. This paper proposes a dual-stream learning framework,…

Information Retrieval · Computer Science 2019-11-06 Zijian Wang , Zheng Zhang , Yadan Luo , Zi Huang

We introduce a parallel offline algorithm for computing hybrid conditional plans, called HCP-ASP, oriented towards robotics applications. HCP-ASP relies on modeling actuation actions and sensing actions in an expressive nonmonotonic…

Artificial Intelligence · Computer Science 2017-07-20 Ibrahim Faruk Yalciner , Ahmed Nouman , Volkan Patoglu , Esra Erdem

Machine learning (ML) techniques have been proposed to automatically select the best solver from a portfolio of solvers, based on predicted performance. These techniques have been applied to various problems, such as Boolean Satisfiability,…

Artificial Intelligence · Computer Science 2023-09-11 Catalina Pezo , Dorit Hochbaum , Julio Godoy , Roberto Asin-Acha

Periodic dynamical systems ubiquitously exist in science and engineering. The harmonic balance (HB) method and its variants have been the most widely-used approaches for such systems, but are either confined to low-order approximations or…

Numerical Analysis · Mathematics 2022-03-15 Honghua Dai , Zipu Yan , Xuechuan Wang , Xiaokui Yue , Satya N. Atluri

Optimization methods are widely employed in deep learning to identify and mitigate undesired model responses. While gradient-based techniques have proven effective for image models, their application to language models is hindered by the…

Machine Learning · Computer Science 2025-02-18 Zi Wang , Divyam Anshumaan , Ashish Hooda , Yudong Chen , Somesh Jha