English
Related papers

Related papers: LGDE: Local Graph-based Dictionary Expansion

200 papers

Large Language Models (LLMs) have shown strong potential for tabular data generation by modeling textualized feature-value pairs. However, tabular data inherently exhibits sparse feature-level dependencies, where many feature interactions…

Computation and Language · Computer Science 2025-09-09 Zheyu Zhang , Shuo Yang , Bardh Prenkaj , Gjergji Kasneci

Local community detection, the problem of identifying a set of relevant nodes nearby a small set of input seed nodes, is an important graph primitive with a wealth of applications and research activity. Recent approaches include using local…

Social and Information Networks · Computer Science 2016-11-17 Kyle Kloster , Yixuan Li

Adversarial attacks on knowledge graph embeddings (KGE) aim to disrupt the model's ability of link prediction by removing or inserting triples. A recent black-box method has attempted to incorporate textual and structural information to…

Computation and Language · Computer Science 2025-10-15 Ting Li , Yang Yang , Yipeng Yu , Liang Yao , Guoqing Chao , Ruifeng Xu

Graph Neural Networks (GNNs) have achieved remarkable performance on graph-based tasks. The key idea for GNNs is to obtain informative representation through aggregating information from local neighborhoods. However, it remains an open…

Machine Learning · Computer Science 2022-06-29 Songtao Liu , Rex Ying , Hanze Dong , Lanqing Li , Tingyang Xu , Yu Rong , Peilin Zhao , Junzhou Huang , Dinghao Wu

Word sense induction (WSI), which addresses polysemy by unsupervised discovery of multiple word senses, resolves ambiguities for downstream NLP tasks and also makes word representations more interpretable. This paper proposes an accurate…

Computation and Language · Computer Science 2018-05-31 Haw-Shiuan Chang , Amol Agrawal , Ananya Ganesh , Anirudha Desai , Vinayak Mathur , Alfred Hough , Andrew McCallum

Deep learning based techniques have been recently used with promising results for data integration problems. Some methods directly use pre-trained embeddings that were trained on a large corpus such as Wikipedia. However, they may not…

Databases · Computer Science 2020-09-04 Riccardo Cappuzzo , Paolo Papotti , Saravanan Thirumuruganathan

Even when the causal graph underlying our data is unknown, we can use observational data to narrow down the possible values that an average treatment effect (ATE) can take by (1) identifying the graph up to a Markov equivalence class; and…

Machine Learning · Computer Science 2024-04-11 Shantanu Gupta , David Childers , Zachary C. Lipton

Word embeddings have been widely adopted across several NLP applications. Most existing word embedding methods utilize sequential context of a word to learn its embedding. While there have been some attempts at utilizing syntactic context…

Computation and Language · Computer Science 2019-07-23 Shikhar Vashishth , Manik Bhandari , Prateek Yadav , Piyush Rai , Chiranjib Bhattacharyya , Partha Talukdar

Many mathematical models have been leveraged to design embeddings for representing Knowledge Graph (KG) entities and relations for link prediction and many downstream tasks. These mathematically-inspired models are not only highly scalable…

Artificial Intelligence · Computer Science 2023-09-25 Xiou Ge , Yun-Cheng Wang , Bin Wang , C. -C. Jay Kuo

Self-supervised representation learning on text-attributed graphs, which aims to create expressive and generalizable representations for various downstream tasks, has received increasing research attention lately. However, existing methods…

Computation and Language · Computer Science 2023-10-24 Yichuan Li , Kaize Ding , Kyumin Lee

In this paper, we leverage the properties of non-Euclidean Geometry to define the Geodesic distance (GD) on the space of statistical manifolds. The Geodesic distance is a real and intuitive similarity measure that is a good alternative to…

Computer Vision and Pattern Recognition · Computer Science 2021-06-29 Zakariae Abbad , Ahmed Drissi El Maliani , Said Ouatik El Alaoui , Mohammed El Hassouni

Query Expansion (QE) is a well established method for improving retrieval metrics in image search applications. When using QE, the search is conducted on a new query vector, constructed using an aggregation function over the query and…

Computer Vision and Pattern Recognition · Computer Science 2021-12-07 Benjamin Klein , Lior Wolf

Graph structure expression plays a vital role in distinguishing various graphs. In this work, we propose a Structure-Sensitive Graph Dictionary Embedding (SS-GDE) framework to transform input graphs into the embedding space of a graph…

Machine Learning · Computer Science 2023-06-21 Guangbu Liu , Tong Zhang , Xudong Wang , Wenting Zhao , Chuanwei Zhou , Zhen Cui

News recommendation systems personalize homepage content to boost engagement, but factors like content type, editorial stance, and geographic focus impact recommendations. Local newspapers balance coverage across regions, yet identifying…

Machine Learning · Computer Science 2025-02-21 Gali Katz , Hai Sitton , Guy Gonen , Yohay Kaplan

A key component of deep learning (DL) for natural language processing (NLP) is word embeddings. Word embeddings that effectively capture the meaning and context of the word that they represent can significantly improve the performance of…

Graph-based personality detection constructs graph structures from textual data, particularly social media posts. Current methods often struggle with sparse or noisy data and rely on static graphs, limiting their ability to capture dynamic…

Computation and Language · Computer Science 2025-04-04 Lingzhi Shen , Yunfei Long , Xiaohao Cai , Guanming Chen , Yuhan Wang , Imran Razzak , Shoaib Jameel

Graph embedding has become a powerful tool for learning latent representations of nodes in a graph. Despite its superior performance in various graph-based machine learning tasks, serious privacy concerns arise when the graph data contains…

Cryptography and Security · Computer Science 2024-08-06 Zening Li , Rong-Hua Li , Meihao Liao , Fusheng Jin , Guoren Wang

Graph neural networks (GNNs) have shown great success in learning from graph-based data. The key mechanism of current GNNs is message passing, where a node's feature is updated based on the information passing from its local neighbourhood.…

Machine Learning · Computer Science 2024-05-09 Yongze Wang , Haimin Zhang , Qiang Wu , Min Xu

Currently, most speaker recognition backends, such as cosine, linear discriminant analysis (LDA), or probabilistic linear discriminant analysis (PLDA), make decisions by calculating similarity or distance between enrollment and test…

Audio and Speech Processing · Electrical Eng. & Systems 2023-08-21 Liang He , Ruida Li , Mengqi Niu

Urban research has long recognized that neighbourhoods are dynamic and relational. However, lack of data, methodologies, and computer processing power have hampered a formal quantitative examination of neighbourhood relational dynamics. To…

Machine Learning · Computer Science 2024-04-23 Thiago H Silva , Daniel Silver