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One of the key challenges in natural language processing (NLP) is to yield good performance across application domains and languages. In this work, we investigate the robustness of the mention detection systems, one of the fundamental tasks…

计算与语言 · 计算机科学 2016-02-26 Thien Huu Nguyen , Avirup Sil , Georgiana Dinu , Radu Florian

Accurately predicting click-through rates (CTR) under stringent privacy constraints poses profound challenges, particularly when user-item interactions are sparse and fragmented across domains. Conventional cross-domain CTR (CCTR) methods…

信息检索 · 计算机科学 2025-03-24 Jiangcheng Qin , Xueyuan Zhang , Baisong Liu , Jiangbo Qian , Yangyang Wang

Anomaly detection in video streams is a challenging problem because of the scarcity of abnormal events and the difficulty of accurately annotating them. To alleviate these issues, unsupervised learning-based prediction methods have been…

计算机视觉与模式识别 · 计算机科学 2021-10-28 Youngsaeng Jin , Jonghwan Hong , David Han , Hanseok Ko

We propose a neuralized undirected graphical model called Neural-Hidden-CRF to solve the weakly-supervised sequence labeling problem. Under the umbrella of probabilistic undirected graph theory, the proposed Neural-Hidden-CRF embedded with…

计算与语言 · 计算机科学 2023-10-02 Zhijun Chen , Hailong Sun , Wanhao Zhang , Chunyi Xu , Qianren Mao , Pengpeng Chen

Continual learning (CL) has two main objectives: preventing catastrophic forgetting (CF) and encouraging knowledge transfer (KT). The existing literature mainly focused on overcoming CF. Some work has also been done on KT when the tasks are…

计算与语言 · 计算机科学 2023-10-17 Zixuan Ke , Bing Liu , Wenhan Xiong , Asli Celikyilmaz , Haoran Li

The \textit{de facto} paradigm for applying dense retrieval (DR) to new tasks involves fine-tuning a pre-trained model for a specific task. However, this paradigm has two significant limitations: (1) It is difficult adapt the DR to a new…

信息检索 · 计算机科学 2026-02-27 Zhan Su , Fengran Mo , Jinghan Zhang , Yuchen Hui , Jia Ao Sun , Bingbing Wen , Jian-Yun Nie

Toxicity detection mitigates the dissemination of toxic content (e.g., hateful comments, posts, and messages within online social actions) to safeguard a healthy online social environment. However, malicious users persistently develop…

计算与语言 · 计算机科学 2026-03-17 Hankun Kang , Xin Miao , Jianhao Chen , Jintao Wen , Mayi Xu , Weiyu Zhang , Wenpeng Lu , Tieyun Qian

The Transformer architecture has shown significant success in many language processing and visual tasks. However, the method faces challenges in efficiently scaling to long sequences because the self-attention computation is quadratic with…

机器学习 · 计算机科学 2025-05-05 Edison Mucllari , Zachary Daniels , David Zhang , Qiang Ye

We focus on the problem of learning without forgetting from multiple tasks arriving sequentially, where each task is defined using a few-shot episode of novel or already seen classes. We approach this problem using the recently published…

机器学习 · 计算机科学 2024-08-20 Max Vladymyrov , Andrey Zhmoginov , Mark Sandler

Traditional methods for detecting rumors on social media primarily focus on analyzing textual content, often struggling to capture the complexity of online interactions. Recent research has shifted towards leveraging graph neural networks…

社会与信息网络 · 计算机科学 2024-12-13 Xingyu Peng , Junran Wu , Ruomei Liu , Ke Xu

Language models (LMs) trained on vast quantities of unlabelled data have greatly advanced the field of natural language processing (NLP). In this study, we re-visit the widely accepted notion in NLP that continued pre-training LMs on…

计算与语言 · 计算机科学 2023-10-09 Zhengxiang Shi , Aldo Lipani

Knowledge Tracing (KT) infers a student's knowledge state from past interactions to predict future performance. Conventional Deep Learning (DL)-based KT models are typically tied to platform-specific identifiers and latent representations,…

人工智能 · 计算机科学 2026-04-23 Zhiyi Duan , Hongyu Yuan , Rui Liu

Large Language Models (LLMs) have demonstrated significant improvements in reasoning capabilities through supervised fine-tuning and reinforcement learning. However, when training reasoning models, these approaches are primarily applicable…

计算与语言 · 计算机科学 2025-05-16 Yoichi Ishibashi , Taro Yano , Masafumi Oyamada

Existing machines are functionally specific tools that were made for easy prediction and control. Tomorrow's machines may be closer to biological systems in their mutability, resilience, and autonomy. But first they must be capable of…

机器学习 · 计算机科学 2024-01-17 Shawn L. Beaulieu , Jeff Clune , Nick Cheney

Decentralized learning strategies allow a collection of agents to learn efficiently from local data sets without the need for central aggregation or orchestration. Current decentralized learning paradigms typically rely on an averaging…

机器学习 · 计算机科学 2025-01-24 Muyun Li , Aaron Fainman , Stefan Vlaski

The recently introduced Controlled Text Reduction (CTR) task isolates the text generation step within typical summarization-style tasks. It does so by challenging models to generate coherent text conforming to pre-selected content within…

计算与语言 · 计算机科学 2024-02-27 Aviv Slobodkin , Avi Caciularu , Eran Hirsch , Ido Dagan

The utility of learning a dynamics/world model of the environment in reinforcement learning has been shown in a many ways. When using neural networks, however, these models suffer catastrophic forgetting when learned in a lifelong or…

机器学习 · 计算机科学 2019-06-12 Nicholas Ketz , Soheil Kolouri , Praveen Pilly

In continual learning, solving the catastrophic forgetting problem may make the models fall into the stability-plasticity dilemma. Moreover, inter-task confusion will also occur due to the lack of knowledge exchanges between different…

计算机视觉与模式识别 · 计算机科学 2025-06-10 Sheng-Kai Huang , Jiun-Feng Chang , Chun-Rong Huang

Crowdsourcing is a critical technology in social manufacturing, which leverages an extensive and boundless reservoir of human resources to handle a wide array of complex tasks. The successful execution of these complex tasks relies on task…

计算与语言 · 计算机科学 2024-06-12 Jing Yang , Xiao Wang , Yu Zhao , Yuhang Liu , Fei-Yue Wang

In contemporary deep learning, a prevalent and effective workflow for solving low-data problems is adapting powerful pre-trained foundation models (FMs) to new tasks via parameter-efficient fine-tuning (PEFT). However, while empirically…

机器学习 · 计算机科学 2025-05-29 Fady Rezk , Royson Lee , Henry Gouk , Timothy Hospedales , Minyoung Kim