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In-context learning (ICL) enhances large language models (LLMs) by incorporating demonstration examples, yet its effectiveness heavily depends on the quality of selected examples. Current methods typically use text embeddings to measure…

Artificial Intelligence · Computer Science 2025-12-02 Jiale Fu , Yaqing Wang , Simeng Han , Jiaming Fan , Xu Yang

Multimodal recommendation has emerged as a promising solution to alleviate the cold-start and sparsity problems in collaborative filtering by incorporating rich content information, such as product images and textual descriptions. However,…

Information Retrieval · Computer Science 2025-06-03 Sibei Liu , Yuanzhe Zhang , Xiang Li , Yunbo Liu , Chengwei Feng , Hao Yang

This paper addresses the gap between general-purpose text embeddings and the specific demands of item retrieval tasks. We demonstrate the shortcomings of existing models in capturing the nuances necessary for zero-shot performance on item…

Information Retrieval · Computer Science 2024-03-01 Yuxuan Lei , Jianxun Lian , Jing Yao , Mingqi Wu , Defu Lian , Xing Xie

Text-rich graphs, which exhibit rich textual information on nodes and edges, are prevalent across a wide range of real-world business applications. Large Language Models (LLMs) have demonstrated remarkable abilities in understanding text,…

Computation and Language · Computer Science 2024-04-30 Qi Zhu , Da Zheng , Xiang Song , Shichang Zhang , Bowen Jin , Yizhou Sun , George Karypis

Graph-structured data exhibit substantial heterogeneity in where their predictive signals originate: in some domains, node-level semantics dominate, while in others, structural patterns play a central role. This structure-semantics…

Computation and Language · Computer Science 2026-04-03 Safal Thapaliya , Zehong Wang , Jiazheng Li , Ziming Li , Yanfang Ye , Chuxu Zhang

This study presents a hybrid deep learning architecture that integrates LSTM, CNN, and an Attention mechanism to enhance the classification of web content based on text. Pretrained GloVe embeddings are used to represent words as dense…

Computation and Language · Computer Science 2025-12-29 Mykola Kuz , Ihor Lazarovych , Mykola Kozlenko , Mykola Pikuliak , Andrii Kvasniuk

Knowledge graph completion (KGC) aims to solve the incompleteness of knowledge graphs (KGs) by predicting missing links from known triples, numbers of knowledge graph embedding (KGE) models have been proposed to perform KGC by learning…

Artificial Intelligence · Computer Science 2023-06-14 Jining Wang , Delai Qiu , YouMing Liu , Yining Wang , Chuan Chen , Zibin Zheng , Yuren Zhou

Recommender systems (RSs) are designed to retrieve candidate items a user might be interested in from a large pool. A common approach is using graph neural networks (GNNs) to capture high-order interaction relationships. As large language…

Information Retrieval · Computer Science 2025-06-24 Junze Chen , Xinjie Yang , Cheng Yang , Junfei Bao , Zeyuan Guo , Yawen Li , Chuan Shi

Embedding fusion has emerged as an effective approach for enhancing performance across various NLP tasks. However, systematic guidelines for selecting optimal layers and developing effective fusion strategies for the integration of LLMs…

Computation and Language · Computer Science 2025-04-09 Jiho Gwak , Yuchul Jung

We introduce a simple yet effective method of integrating contextual embeddings with commonsense graph embeddings, dubbed BERT Infused Graphs: Matching Over Other embeDdings. First, we introduce a preprocessing method to improve the speed…

Computation and Language · Computer Science 2019-10-18 Jeff Da

Recommender systems rely on Collaborative Filtering (CF) to predict user preferences by leveraging patterns in historical user-item interactions. While traditional CF methods primarily focus on learning compact vector embeddings for users…

Information Retrieval · Computer Science 2025-01-29 Darnbi Sakong , Thanh Trung Huynh , Jun Jo

Leveraging Large Language Models as Recommenders (LLMRec) has gained significant attention and introduced fresh perspectives in user preference modeling. Existing LLMRec approaches prioritize text semantics, usually neglecting the valuable…

Information Retrieval · Computer Science 2025-06-17 Yang Zhang , Fuli Feng , Jizhi Zhang , Keqin Bao , Qifan Wang , Xiangnan He

Learning informative representations (aka. embeddings) of users and items is the core of modern recommender systems. Previous works exploit user-item relationships of one-hop neighbors in the user-item interaction graph to improve the…

Information Retrieval · Computer Science 2021-03-02 Jinbo Song , Chao Chang , Fei Sun , Xinbo Song , Peng Jiang

Collaborative filtering (CF) models have demonstrated remarkable performance in recommender systems, which represent users and items as embedding vectors. Recently, due to the powerful modeling capability of graph neural networks for…

Information Retrieval · Computer Science 2024-11-05 Hao Chen , Yuanchen Bei , Wenbing Huang , Shengyuan Chen , Feiran Huang , Xiao Huang

While deep-learning-enabled recommender systems demonstrate strong performance benchmarks, many struggle to adapt effectively in real-world environments due to limited use of user-item relationship data and insufficient transparency in…

Machine Learning · Computer Science 2025-01-09 Dong Hyun Jeon , Wenbo Sun , Houbing Herbert Song , Dongfang Liu , Velasquez Alvaro , Yixin Chloe Xie , Shuteng Niu

Graph Convolutional Networks (GCN) have been recently employed as core component in the construction of recommender system algorithms, interpreting user-item interactions as the edges of a bipartite graph. However, in the absence of side…

Information Retrieval · Computer Science 2023-03-29 Edoardo D'Amico , Khalil Muhammad , Elias Tragos , Barry Smyth , Neil Hurley , Aonghus Lawlor

Recommender Systems are tools that improve how users find relevant information in web systems, so they do not face too much information. In order to generate better recommendations, the context of information should be used in the…

Information Retrieval · Computer Science 2020-07-10 Igor André Pegoraro Santana , Marcos Aurelio Domingues

The cold-start problem is a long-standing challenge in recommender systems. As a promising solution, content-based generative models usually project a cold-start item's content onto a warm-start item embedding to capture collaborative…

Information Retrieval · Computer Science 2023-02-23 Zhihui Zhou , Lilin Zhang , Ning Yang

Applying machine learning algorithms to large-scale, text-based corpora (embeddings) presents a unique opportunity to investigate at scale how human semantic knowledge is organized and how people use it to judge fundamental relationships,…

Computation and Language · Computer Science 2020-07-17 Marius Cătălin Iordan , Tyler Giallanza , Cameron T. Ellis , Nicole M. Beckage , Jonathan D. Cohen

The ubiquity of payment networks generates vast transactional data encoding rich consumer and merchant behavioral patterns. Recent foundation models for transaction analysis process tabular data sequentially but rely on index-based…

Computation and Language · Computer Science 2026-01-12 Xiran Fan , Zhimeng Jiang , Chin-Chia Michael Yeh , Yuzhong Chen , Yingtong Dou , Menghai Pan , Yan Zheng
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