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Related papers: Token-Level Graphs for Short Text Classification

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Contrastive pretraining techniques for text classification has been largely studied in an unsupervised setting. However, oftentimes labeled data from related tasks which share label semantics with current task is available. We hypothesize…

Computation and Language · Computer Science 2021-12-22 Samujjwal Ghosh , Subhadeep Maji , Maunendra Sankar Desarkar

Obtaining a single-vector representation from a Large Language Model's (LLM) token-level outputs is a critical step for nearly all sentence-level tasks. However, standard pooling methods like mean or max aggregation treat tokens as an…

Machine Learning · Computer Science 2026-03-05 Krishna Sri Ipsit Mantri , Carola-Bibiane Schönlieb , Zorah Lähner , Moshe Eliasof

In light of the recent success of Graph Neural Networks (GNNs) and their ability to perform inference on complex data structures, many studies apply GNNs to the task of text classification. In most previous methods, a heterogeneous graph,…

Machine Learning · Computer Science 2024-10-29 Yassine Abbahaddou , Johannes F. Lutzeyer , Michalis Vazirgiannis

Long text classification is challenging for Large Language Models (LLMs) due to token limits and high computational costs. This study explores whether a Retrieval Augmented Generation (RAG) approach using only the most relevant text…

An ideal detection system for machine generated content is supposed to work well on any generator as many more advanced LLMs come into existence day by day. Existing systems often struggle with accurately identifying AI-generated content…

Graphs are ubiquitous structures found in numerous real-world applications, such as drug discovery, recommender systems, and social network analysis. To model graph-structured data, graph neural networks (GNNs) have become a popular tool.…

Computation and Language · Computer Science 2025-02-10 Zehong Wang , Sidney Liu , Zheyuan Zhang , Tianyi Ma , Chuxu Zhang , Yanfang Ye

Given the success of Graph Neural Networks (GNNs) for structure-aware machine learning, many studies have explored their use for text classification, but mostly in specific domains with limited data characteristics. Moreover, some…

Computation and Language · Computer Science 2024-01-23 Margarita Bugueño , Gerard de Melo

Due to the development of graph neural networks, graph-based representation learning methods have made great progress in recommender systems. However, data sparsity is still a challenging problem that most graph-based recommendation methods…

Information Retrieval · Computer Science 2021-10-25 Chaoyang Wang , Zhiqiang Guo , Guohui Li , Jianjun Li , Peng Pan , Ke Liu

In this study, we investigate using graph neural network (GNN) representations to enhance contextualized representations of pre-trained language models (PLMs) for keyphrase extraction from lengthy documents. We show that augmenting a PLM…

Computation and Language · Computer Science 2023-05-17 Roberto Martínez-Cruz , Debanjan Mahata , Alvaro J. López-López , José Portela

Text classification is a critical research topic with broad applications in natural language processing. Recently, graph neural networks (GNNs) have received increasing attention in the research community and demonstrated their promising…

Computation and Language · Computer Science 2020-11-03 Kaize Ding , Jianling Wang , Jundong Li , Dingcheng Li , Huan Liu

Many applications of large language models (LLMs) require long-context understanding, but models continue to struggle with such tasks. We hypothesize that conventional next-token prediction training could contribute to this, because each…

Computation and Language · Computer Science 2025-03-13 Falko Helm , Nico Daheim , Iryna Gurevych

Text classification aims to assign labels to textual units by making use of global information. Recent studies have applied graph neural network (GNN) to capture the global word co-occurrence in a corpus. Existing approaches require that…

Computation and Language · Computer Science 2022-06-02 Kunze Wang , Soyeon Caren Han , Josiah Poon

Text Generation aims to produce plausible and readable text in a human language from input data. The resurgence of deep learning has greatly advanced this field, in particular, with the help of neural generation models based on pre-trained…

Computation and Language · Computer Science 2022-05-17 Junyi Li , Tianyi Tang , Wayne Xin Zhao , Jian-Yun Nie , Ji-Rong Wen

Session search involves a series of interactive queries and actions to fulfill user's complex information need. Current strategies typically prioritize sequential modeling for deep semantic understanding, overlooking the graph structure in…

Computer Vision and Pattern Recognition · Computer Science 2025-06-12 Songhao Wu , Quan Tu , Hong Liu , Jia Xu , Zhongyi Liu , Guannan Zhang , Ran Wang , Xiuying Chen , Rui Yan

In recent years, efforts have been made to use text information for better user profiling and item characterization in recommendations. However, text information can sometimes be of low quality, hindering its effectiveness for real-world…

Artificial Intelligence · Computer Science 2024-02-15 Yingpeng Du , Ziyan Wang , Zhu Sun , Haoyan Chua , Hongzhi Liu , Zhonghai Wu , Yining Ma , Jie Zhang , Youchen Sun

Short text classification is a fundamental task in natural language processing. It is hard due to the lack of context information and labeled data in practice. In this paper, we propose a new method called SHINE, which is based on graph…

Computation and Language · Computer Science 2021-11-02 Yaqing Wang , Song Wang , Quanming Yao , Dejing Dou

Long-range tasks demand reasoning over long inputs. However, existing solutions are limited, e.g., long-context models require large compute budgets, parameter-efficient fine-tuning (PEFT) needs training data, and retrieval-augmented…

Artificial Intelligence · Computer Science 2025-08-26 Dulhan Jayalath , James Bradley Wendt , Nicholas Monath , Sandeep Tata , Beliz Gunel

ChatGPT, as a recently launched large language model (LLM), has shown superior performance in various natural language processing (NLP) tasks. However, two major limitations hinder its potential applications: (1) the inflexibility of…

Computation and Language · Computer Science 2023-09-20 Yucheng Shi , Hehuan Ma , Wenliang Zhong , Qiaoyu Tan , Gengchen Mai , Xiang Li , Tianming Liu , Junzhou Huang

Textual Attributed Graphs (TAGs) are crucial for modeling complex real-world systems, yet leveraging large language models (LLMs) for TAGs presents unique challenges due to the gap between sequential text processing and graph-structured…

Machine Learning · Computer Science 2025-05-09 Zhengyu Hu , Yichuan Li , Zhengyu Chen , Jingang Wang , Han Liu , Kyumin Lee , Kaize Ding

Recent methods that integrate spatial layouts with text for document understanding in large language models (LLMs) have shown promising results. A commonly used method is to represent layout information as text tokens and interleave them…

Computer Vision and Pattern Recognition · Computer Science 2025-03-25 Zhaoqing Zhu , Chuwei Luo , Zirui Shao , Feiyu Gao , Hangdi Xing , Qi Zheng , Ji Zhang