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Related papers: Knowledge-Aware Bayesian Deep Topic Model

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Many models learn representations of knowledge graph data by exploiting its low-rank latent structure, encoding known relations between entities and enabling unknown facts to be inferred. To predict whether a relation holds between…

Machine Learning · Computer Science 2021-01-19 Carl Allen , Ivana Balažević , Timothy Hospedales

Knowledge-grounded dialogue systems aim to generate coherent and engaging responses based on the dialogue contexts and selected external knowledge. Previous knowledge selection methods tend to rely too heavily on the dialogue contexts or…

Computation and Language · Computer Science 2024-03-05 Lin Xu , Qixian Zhou , Jinlan Fu , See-Kiong Ng

Information hierarchies are organizational structures that often used to organize and present large and complex information as well as provide a mechanism for effective human navigation. Fortunately, many statistical and computational…

Artificial Intelligence · Computer Science 2016-01-05 Baoxu Shi , Tim Weninger

Topic models have been prevalent for decades with various applications. However, existing topic models commonly suffer from the notorious topic collapsing: discovered topics semantically collapse towards each other, leading to highly…

Computation and Language · Computer Science 2023-06-08 Xiaobao Wu , Xinshuai Dong , Thong Nguyen , Anh Tuan Luu

Besides the text content, documents and their associated words usually come with rich sets of meta informa- tion, such as categories of documents and semantic/syntactic features of words, like those encoded in word embeddings. Incorporating…

Computation and Language · Computer Science 2017-09-20 He Zhao , Lan Du , Wray Buntine , Gang Liu

This work exploits translation data as a source of semantically relevant learning signal for models of word representation. In particular, we exploit equivalence through translation as a form of distributed context and jointly learn how to…

Computation and Language · Computer Science 2018-04-24 Miguel Rios , Wilker Aziz , Khalil Sima'an

Contextualized entity representations learned by state-of-the-art transformer-based language models (TLMs) like BERT, GPT, T5, etc., leverage the attention mechanism to learn the data context from training data corpus. However, these models…

Computation and Language · Computer Science 2021-09-06 Keyur Faldu , Amit Sheth , Prashant Kikani , Hemang Akbari

We introduce CEMTM, a context-enhanced multimodal topic model designed to infer coherent and interpretable topic structures from both short and long documents containing text and images. CEMTM builds on fine-tuned large vision language…

Computation and Language · Computer Science 2025-10-07 Amirhossein Abaskohi , Raymond Li , Chuyuan Li , Shafiq Joty , Giuseppe Carenini

Topic models have been widely used to learn text representations and gain insight into document corpora. To perform topic discovery, most existing neural models either take document bag-of-words (BoW) or sequence of tokens as input followed…

Computation and Language · Computer Science 2021-07-12 Madhur Panwar , Shashank Shailabh , Milan Aggarwal , Balaji Krishnamurthy

We study the extent to which online social networks can be connected to open knowledge bases. The problem is referred to as learning social knowledge graphs. We propose a multi-modal Bayesian embedding model, GenVector, to learn latent…

Computation and Language · Computer Science 2016-04-21 Zhilin Yang , Jie Tang , William Cohen

In recent years, Pre-trained Language Models (PLMs) have shown their superiority by pre-training on unstructured text corpus and then fine-tuning on downstream tasks. On entity-rich textual resources like Wikipedia, Knowledge-Enhanced PLMs…

Computation and Language · Computer Science 2023-05-04 Yichuan Li , Jialong Han , Kyumin Lee , Chengyuan Ma , Benjamin Yao , Derek Liu

The Knowledge Graph Entity Typing (KGET) task aims to predict missing type annotations for entities in knowledge graphs. Recent works only utilize the \textit{\textbf{structural knowledge}} in the local neighborhood of entities,…

Computation and Language · Computer Science 2024-11-18 Muzhi Li , Minda Hu , Irwin King , Ho-fung Leung

The objective of knowledge graph embedding is to encode both entities and relations of knowledge graphs into continuous low-dimensional vector spaces. Previously, most works focused on symbolic representation of knowledge graph with…

Computation and Language · Computer Science 2016-12-14 Jiacheng Xu , Kan Chen , Xipeng Qiu , Xuanjing Huang

Multilingual knowledge graph (KG) embeddings provide latent semantic representations of entities and structured knowledge with cross-lingual inferences, which benefit various knowledge-driven cross-lingual NLP tasks. However, precisely…

Artificial Intelligence · Computer Science 2018-06-19 Muhao Chen , Yingtao Tian , Kai-Wei Chang , Steven Skiena , Carlo Zaniolo

Knowledge embeddings (KE) represent a knowledge graph (KG) by embedding entities and relations into continuous vector spaces. Existing methods are mainly structure-based or description-based. Structure-based methods learn representations…

Computation and Language · Computer Science 2023-06-30 Xintao Wang , Qianyu He , Jiaqing Liang , Yanghua Xiao

Accurate mapping of the built asset information to established data classification systems and taxonomies is crucial for effective asset management, whether for compliance at project handover or ad-hoc data integration scenarios. Due to the…

Computation and Language · Computer Science 2024-11-20 Mehrzad Shahinmoghadam , Ali Motamedi

Textual documents are commonly connected in a hierarchical graph structure where a central document links to others with an exponentially growing connectivity. Though Hyperbolic Graph Neural Networks (HGNNs) excel at capturing such graph…

Computation and Language · Computer Science 2025-02-18 Delvin Ce Zhang , Menglin Yang , Xiaobao Wu , Jiasheng Zhang , Hady W. Lauw

Labeled property graphs often contain rich textual attributes that can enhance analytical tasks when properly leveraged. This work explores the use of pretrained text embedding models to enable efficient semantic analysis in such graphs. By…

Computation and Language · Computer Science 2026-02-09 Michal Podstawski

Knowledge graph (KG) embedding aims at learning the latent representations for entities and relations of a KG in continuous vector spaces. An empirical observation is that the head (tail) entities connected by the same relation often share…

Computation and Language · Computer Science 2022-06-17 Xueliang Wang , Jiajun Chen , Feng Wu , Jie Wang

Knowledge Graph Embedding (KGE) aims to represent entities and relations of knowledge graph in a low-dimensional continuous vector space. Recent works focus on incorporating structural knowledge with additional information, such as entity…

Computation and Language · Computer Science 2018-08-14 Kai Wang , Yu Liu , Xiujuan Xu , Dan Lin