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Deep reinforcement learning (RL) has been a commonly-used strategy for the abstractive summarization task to address both the exposure bias and non-differentiable task issues. However, the conventional reward Rouge-L simply looks for exact…

计算与语言 · 计算机科学 2019-09-12 Siyao Li , Deren Lei , Pengda Qin , William Yang Wang

One of the fundamental challenges in reinforcement learning (RL) is to take a complex task and be able to decompose it to subtasks that are simpler for the RL agent to learn. In this paper, we report on our work that would identify subtasks…

人工智能 · 计算机科学 2024-10-04 Alireza Kheirandish , Duo Xu , Faramarz Fekri

With the rise of large language models, neural text summarization has advanced significantly in recent years. However, even state-of-the-art models continue to rely heavily on high-quality human-annotated data for training and evaluation.…

计算与语言 · 计算机科学 2025-03-04 Petros Stylianos Giouroukis , Alexios Gidiotis , Grigorios Tsoumakas

The use of artificial intelligence in supply chain forecasting has attracted many scientific studies for several decades. However, the process of selecting an appropriate forecasting solution becomes a daunting task. This complexity arises…

机器学习 · 计算机科学 2026-05-07 Bilel Abderrahmane Benziane , Benoit Lardeux , Ayoub Mcharek , Maher Jridi

This paper describes an investigation of the robustness of large language models (LLMs) for retrieval augmented generation (RAG)-based summarization tasks. While LLMs provide summarization capabilities, their performance in complex,…

计算与语言 · 计算机科学 2024-04-01 Shengjie Liu , Jing Wu , Jingyuan Bao , Wenyi Wang , Naira Hovakimyan , Christopher G Healey

Knowledge tracing is the task of modeling each student's mastery of knowledge concepts (KCs) as (s)he engages with a sequence of learning activities. Each student's knowledge is modeled by estimating the performance of the student on the…

机器学习 · 计算机科学 2019-07-17 Shalini Pandey , George Karypis

Merging the two cultures of deep and statistical learning provides insights into structured high-dimensional data. Traditional statistical modeling is still a dominant strategy for structured tabular data. Deep learning can be viewed…

统计方法学 · 统计学 2021-10-25 Anindya Bhadra , Jyotishka Datta , Nick Polson , Vadim Sokolov , Jianeng Xu

Deep learning has become the dominant approach for creating high capacity, scalable models across diverse data modalities. However, because these models rely on a large number of learned parameters, tightly couple feature extraction with…

人工智能 · 计算机科学 2026-05-12 Adam Gould , Francesca Toni

Deep learning searches for nonlinear factors for predicting asset returns. Predictability is achieved via multiple layers of composite factors as opposed to additive ones. Viewed in this way, asset pricing studies can be revisited using…

机器学习 · 统计学 2018-04-27 Guanhao Feng , Jingyu He , Nicholas G. Polson

A novel deep neural network framework -- that we refer to as Deep Dynamic Factor Model (D$^2$FM) --, is able to encode the information available, from hundreds of macroeconomic and financial time-series into a handful of unobserved latent…

计量经济学 · 经济学 2023-05-23 Paolo Andreini , Cosimo Izzo , Giovanni Ricco

Modern large language models (LLMs) represent a paradigm shift in what can plausibly be expected of machine learning models. The fact that LLMs can effectively generate sensible answers to a diverse range of queries suggests that they would…

计算与语言 · 计算机科学 2024-05-27 Dean Wyatte , Fatemeh Tahmasbi , Ming Li , Thomas Markovich

Deep reinforcement learning (DRL) has delivered strong results in domains such as Atari and Go, but it still suffers from high sample cost and weak transfer beyond the training setting. A common response is to reuse information from…

机器学习 · 计算机科学 2026-05-05 Ujjwal Patil , Javad Ghofrani

Deep learning (DL) based language models achieve high performance on various benchmarks for Natural Language Inference (NLI). And at this time, symbolic approaches to NLI are receiving less attention. Both approaches (symbolic and DL) have…

计算与语言 · 计算机科学 2021-06-11 Zeming Chen , Qiyue Gao , Lawrence S. Moss

Structured latent attribute models (SLAMs) are a special family of discrete latent variable models widely used in social and biological sciences. This paper considers the problem of learning significant attribute patterns from a SLAM with…

统计方法学 · 统计学 2019-06-07 Yuqi Gu , Gongjun Xu

The emergence of the semantic-aware paradigm presents opportunities for innovative services, especially in the context of 6G-based applications. Although significant progress has been made in semantic extraction techniques, the…

网络与互联网体系结构 · 计算机科学 2024-07-08 Hamidreza Mazandarani , Masoud Shokrnezhad , Tarik Taleb

As Large Language Models (LLMs) are increasingly applied to document-based tasks - such as document summarization, question answering, and information extraction - where user requirements focus on retrieving information from provided…

信息检索 · 计算机科学 2025-05-13 Vipula Rawte , Ryan A. Rossi , Franck Dernoncourt , Nedim Lipka

Diffusion large language models (dLLMs) have emerged as a new architecture following auto regressive models. Their denoising process offers a powerful generative advantage, but they present significant challenges in learning and…

机器学习 · 计算机科学 2025-09-24 Ranfei Chen , Ming Chen

The paper copes with the task of automatic assessment of second language proficiency from the language learners' spoken responses to test prompts. The task has significant relevance to the field of computer assisted language learning. The…

计算与语言 · 计算机科学 2023-10-19 Sara Papi , Edmondo Trentin , Roberto Gretter , Marco Matassoni , Daniele Falavigna

Knowledge graphs (KGs) store rich facts about the real world. In this paper, we study KG alignment, which aims to find alignment between not only entities but also relations and classes in different KGs. Alignment at the entity level can…

数据库 · 计算机科学 2023-06-21 Jiacheng Huang , Zequn Sun , Qijin Chen , Xiaozhou Xu , Weijun Ren , Wei Hu

Transformers have revolutionized deep learning in numerous fields, including natural language processing, computer vision, and audio processing. Their strength lies in their attention mechanism, which allows for the discovering of complex…

机器学习 · 计算机科学 2024-04-02 Uladzislau Yorsh , Martin Holeňa , Ondřej Bojar , David Herel