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Low-dimensional embeddings are a cornerstone in the modelling and analysis of complex networks. However, most existing approaches for mining network embedding spaces rely on computationally intensive machine learning systems to facilitate…

社会与信息网络 · 计算机科学 2024-10-04 Alexandros Xenos , Noel-Malod Dognin , Natasa Przulj

This paper presents a simple and computationally efficient approach for entity linking (EL), compared with recurrent neural networks (RNNs) or convolutional neural networks (CNNs), by making use of feedforward neural networks (FFNNs) and…

计算与语言 · 计算机科学 2019-07-31 Feng Wei , Uyen Trang Nguyen , Hui Jiang

Entity Alignment (EA) seeks to identify and match corresponding entities across different Knowledge Graphs (KGs), playing a crucial role in knowledge fusion and integration. Embedding-based entity alignment (EA) has recently gained…

计算与语言 · 计算机科学 2024-12-09 Xuan Chen , Tong Lu , Zhichun Wang

Entity linking (EL), the task of disambiguating mentions in text by linking them to entities in a knowledge graph, is crucial for text understanding, question answering or conversational systems. Entity linking on short text (e.g., single…

计算与语言 · 计算机科学 2021-06-21 Hang Jiang , Sairam Gurajada , Qiuhao Lu , Sumit Neelam , Lucian Popa , Prithviraj Sen , Yunyao Li , Alexander Gray

Existing work on Entity Linking mostly assumes that the reference knowledge base is complete, and therefore all mentions can be linked. In practice this is hardly ever the case, as knowledge bases are incomplete and because novel concepts…

计算与语言 · 计算机科学 2022-05-26 Nora Kassner , Fabio Petroni , Mikhail Plekhanov , Sebastian Riedel , Nicola Cancedda

The generalizability to new databases is of vital importance to Text-to-SQL systems which aim to parse human utterances into SQL statements. Existing works achieve this goal by leveraging the exact matching method to identify the lexical…

计算与语言 · 计算机科学 2022-08-09 Aiwei Liu , Xuming Hu , Li Lin , Lijie Wen

Entity resolution (ER) is a key data integration problem. Despite the efforts in 70+ years in all aspects of ER, there is still a high demand for democratizing ER - humans are heavily involved in labeling data, performing feature…

数据库 · 计算机科学 2019-11-20 Muhammad Ebraheem , Saravanan Thirumuruganathan , Shafiq Joty , Mourad Ouzzani , Nan Tang

Automatic extraction of funding information from academic articles adds significant value to industry and research communities, such as tracking research outcomes by funding organizations, profiling researchers and universities based on the…

计算与语言 · 计算机科学 2022-09-21 Gizem Aydin , Seyed Amin Tabatabaei , Giorgios Tsatsaronis , Faegheh Hasibi

Multi-modal datasets, like those involving images, often miss the detailed descriptions that properly capture the rich information encoded in each item. This makes answering complex natural language queries a major challenge in this domain.…

信息检索 · 计算机科学 2025-06-03 Mahdi Erfanian , Mohsen Dehghankar , Abolfazl Asudeh

ML Data Curation process typically consist of heterogeneous & federated source systems with varied schema structures; requiring curation process to standardize metadata from different schemas to an inter-operable schema. This manual process…

数据库 · 计算机科学 2020-12-02 Kunal Sawarkar , Meenkakshi Kodati

Mining entity synonym sets (i.e., sets of terms referring to the same entity) is an important task for many entity-leveraging applications. Previous work either rank terms based on their similarity to a given query term, or treats the…

计算与语言 · 计算机科学 2018-11-20 Jiaming Shen , Ruiliang Lyu , Xiang Ren , Michelle Vanni , Brian Sadler , Jiawei Han

Named entity discovery (NED) is an important information retrieval problem that can be decomposed into two sub-problems. The first sub-problem, named entity recognition (NER), aims to tag pre-defined sets of words in a vocabulary (called…

信息检索 · 计算机科学 2018-11-27 Sammy Khalife , Michalis Vazirgiannis

Data discovery in data lakes with ever increasing datasets has long been recognized as a big challenge in the realm of data management, especially for semantic search of and hierarchical global catalog generation of tables. While large…

数据库 · 计算机科学 2025-02-24 Qi An , Chihua Ying , Yuqing Zhu , Yihao Xu , Manwei Zhang , Jianmin Wang

Given two large lists of records, the task in entity resolution (ER) is to find the pairs from the Cartesian product of the lists that correspond to the same real world entity. Typically, passive learning methods on such tasks require large…

数据库 · 计算机科学 2022-01-19 Arjit Jain , Sunita Sarawagi , Prithviraj Sen

Fine-grained entity typing is a challenging problem since it usually involves a relatively large tag set and may require to understand the context of the entity mention. In this paper, we use entity linking to help with the fine-grained…

计算与语言 · 计算机科学 2019-09-27 Hongliang Dai , Donghong Du , Xin Li , Yangqiu Song

Entity linking (EL) is the task of linking entity mentions in a document to referent entities in a knowledge base (KB). Many previous studies focus on Wikipedia-derived KBs. There is little work on EL over Wikidata, even though it is the…

计算与语言 · 计算机科学 2022-03-16 Tuan Manh Lai , Heng Ji , ChengXiang Zhai

In this paper, we propose a novel supervised learning method that is called Deep Embedding Kernel (DEK). DEK combines the advantages of deep learning and kernel methods in a unified framework. More specifically, DEK is a learnable kernel…

机器学习 · 统计学 2018-04-17 Linh Le , Ying Xie

To enhance research on multimodal knowledge base and multimodal information processing, we propose a new task called multimodal entity tagging (MET) with a multimodal knowledge base (MKB). We also develop a dataset for the problem using an…

信息检索 · 计算机科学 2022-07-29 Hao Peng , Hang Li , Lei Hou , Juanzi Li , Chao Qiao

Knowledge bases provide applications with the benefit of easily accessible, systematic relational knowledge but often suffer in practice from their incompleteness and lack of knowledge of new entities and relations. Much work has focused on…

计算与语言 · 计算机科学 2013-03-19 Danqi Chen , Richard Socher , Christopher D. Manning , Andrew Y. Ng

Entity alignment is a viable means for integrating heterogeneous knowledge among different knowledge graphs (KGs). Recent developments in the field often take an embedding-based approach to model the structural information of KGs so that…

计算与语言 · 计算机科学 2019-09-23 Yuting Wu , Xiao Liu , Yansong Feng , Zheng Wang , Dongyan Zhao