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Search engines often follow a two-phase paradigm where in the first stage (the retrieval stage) an initial set of documents is retrieved and in the second stage (the re-ranking stage) the documents are re-ranked to obtain the final result…

信息检索 · 计算机科学 2020-10-06 Saar Kuzi , Mingyang Zhang , Cheng Li , Michael Bendersky , Marc Najork

Linked Data have emerged as a successful publication format and one of its main strengths is its fitness for integration of data from multiple sources. This gives them a great potential both for semantic applications and the enterprise…

数据库 · 计算机科学 2014-10-30 Jan Michelfeit , Tomáš Knap , Martin Nečaský

Digital systems find it challenging to keep up with cybersecurity threats. The daily emergence of more than 560,000 new malware strains poses significant hazards to the digital ecosystem. The traditional malware detection methods fail to…

密码学与安全 · 计算机科学 2025-04-28 Abrar Fahim , Shamik Dey , Md. Nurul Absur , Md Kamrul Siam , Md. Tahmidul Huque , Jafreen Jafor Godhuli

Machine learning (ML) techniques for optimizing data management problems have been extensively studied and widely deployed in recent five years. However traditional ML methods have limitations on generalizability (adapting to different…

数据库 · 计算机科学 2024-02-06 Xuanhe Zhou , Xinyang Zhao , Guoliang Li

Deep hedging represents a cutting-edge approach to risk management for financial derivatives by leveraging the power of deep learning. However, existing methods often face challenges related to computational inefficiency, sensitivity to…

机器学习 · 计算机科学 2025-02-26 Lei Zhao , Lin Cai

Existing approaches for Large language model (LLM) detoxification generally rely on training on large-scale non-toxic or human-annotated preference data, designing prompts to instruct the LLM to generate safe content, or modifying the model…

计算与语言 · 计算机科学 2025-06-03 Yuanhe Tian , Mingjie Deng , Guoqing Jin , Yan Song

Advancements in the implementation of quantum hardware have enabled the acquisition of data that are intractable for emulation with classical computers. The integration of classical machine learning (ML) algorithms with these data holds…

量子物理 · 物理学 2025-01-22 Gyungmin Cho , Dohun Kim

This paper presents a novel methodological framework for detecting and classifying latent constructs, including frames, narratives, and topics, from textual data using Open-Source Large Language Models (LLMs). The proposed hybrid approach…

计算与语言 · 计算机科学 2025-04-01 Maël Kubli

The quality of underlying training data is very crucial for building performant machine learning models with wider generalizabilty. However, current machine learning (ML) tools lack streamlined processes for improving the data quality. So,…

机器学习 · 计算机科学 2021-12-16 Atindriyo Sanyal , Vikram Chatterji , Nidhi Vyas , Ben Epstein , Nikita Demir , Anthony Corletti

Markov logic networks (MLNs) reconcile two opposing schools in machine learning and artificial intelligence: causal networks, which account for uncertainty extremely well, and first-order logic, which allows for formal deduction. An MLN is…

机器学习 · 统计学 2017-04-20 Peter Wittek , Christian Gogolin

The performance of deep learning models for music source separation heavily depends on training data quality. However, datasets are often corrupted by difficult-to-detect artifacts such as audio bleeding and label noise. Since the type and…

音频与语音处理 · 电气工程与系统科学 2025-10-20 Azalea Gui , Woosung Choi , Junghyun Koo , Kazuki Shimada , Takashi Shibuya , Joan Serrà , Wei-Hsiang Liao , Yuki Mitsufuji

In this paper, we propose a novel Deep Micro-Dictionary Learning and Coding Network (DDLCN). DDLCN has most of the standard deep learning layers (pooling, fully, connected, input/output, etc.) but the main difference is that the fundamental…

计算机视觉与模式识别 · 计算机科学 2018-12-27 Hao Tang , Heng Wei , Wei Xiao , Wei Wang , Dan Xu , Yan Yan , Nicu Sebe

Combinatorial Optimization (CO) has been a long-standing challenging research topic featured by its NP-hard nature. Traditionally such problems are approximately solved with heuristic algorithms which are usually fast but may sacrifice the…

机器学习 · 计算机科学 2021-10-26 Runzhong Wang , Zhigang Hua , Gan Liu , Jiayi Zhang , Junchi Yan , Feng Qi , Shuang Yang , Jun Zhou , Xiaokang Yang

The pretraining data mixture of Large Language Models (LLMs) constitutes their "digital DNA", shaping model behaviors, capabilities, and failure modes. Yet this composition is rarely disclosed, making post-hoc auditing of data combination…

计算与语言 · 计算机科学 2026-05-29 Yaxin Luo , Jiacheng Cui , Xiaohan Zhao , Xinyi Shang , Jiacheng Liu , Xinyue Bi , Zhaoyi Li , Zhiqiang Shen

Data cleansing is a typical approach used to improve the accuracy of machine learning models, which, however, requires extensive domain knowledge to identify the influential instances that affect the models. In this paper, we propose an…

机器学习 · 统计学 2019-06-21 Satoshi Hara , Atsushi Nitanda , Takanori Maehara

Collaborative filtering is used to recommend items to a user without requiring a knowledge of the item itself and tends to outperform other techniques. However, collaborative filtering suffers from the cold-start problem, which occurs when…

机器学习 · 计算机科学 2014-06-10 Michael R. Smith , Tony Martinez , Michael Gashler

In the modern era, malware is experiencing a significant increase in both its variety and quantity, aligning with the widespread adoption of the digital world. This surge in malware has emerged as a critical challenge in the realm of…

密码学与安全 · 计算机科学 2024-07-16 Amaal F. Alshmarni , Mohammed A. Alliheedi

Cyber-security garnered significant attention due to the increased dependency of individuals and organizations on the Internet and their concern about the security and privacy of their online activities. Several previous machine learning…

密码学与安全 · 计算机科学 2020-08-11 MohammadNoor Injadat , Abdallah Moubayed , Ali Bou Nassif , Abdallah Shami

Can foundation models (such as ChatGPT) clean your data? In this proposal, we demonstrate that indeed ChatGPT can assist in data cleaning by suggesting corrections for specific cells in a data table (scenario 1). However, ChatGPT may…

数据库 · 计算机科学 2024-12-18 Zan Ahmad Naeem , Mohammad Shahmeer Ahmad , Mohamed Eltabakh , Mourad Ouzzani , Nan Tang

The rise of artificial intelligence and data science across industries underscores the pressing need for effective management and governance of machine learning (ML) models. Traditional approaches to ML models management often involve…

机器学习 · 计算机科学 2025-04-01 Moncef Garouani , Franck Ravat , Nathalie Valles-Parlangeau