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We propose Cognitive Databases, an approach for transparently enabling Artificial Intelligence (AI) capabilities in relational databases. A novel aspect of our design is to first view the structured data source as meaningful unstructured…

数据库 · 计算机科学 2017-12-21 Rajesh Bordawekar , Bortik Bandyopadhyay , Oded Shmueli

Using attention weights to identify information that is important for models' decision-making is a popular approach to interpret attention-based neural networks. This is commonly realized in practice through the generation of a heat-map for…

信息检索 · 计算机科学 2021-06-01 Tian Shi , Xuchao Zhang , Ping Wang , Chandan K. Reddy

Contextual word representations, typically trained on unstructured, unlabeled text, do not contain any explicit grounding to real world entities and are often unable to remember facts about those entities. We propose a general method to…

计算与语言 · 计算机科学 2019-11-01 Matthew E. Peters , Mark Neumann , Robert L. Logan , Roy Schwartz , Vidur Joshi , Sameer Singh , Noah A. Smith

This paper presents a new semi-supervised framework with convolutional neural networks (CNNs) for text categorization. Unlike the previous approaches that rely on word embeddings, our method learns embeddings of small text regions from…

机器学习 · 统计学 2015-11-03 Rie Johnson , Tong Zhang

In this paper, we propose a novel embedding model, named ConvKB, for knowledge base completion. Our model ConvKB advances state-of-the-art models by employing a convolutional neural network, so that it can capture global relationships and…

计算与语言 · 计算机科学 2018-08-14 Dai Quoc Nguyen , Tu Dinh Nguyen , Dat Quoc Nguyen , Dinh Phung

This paper introduces Cobweb4L, a novel approach for efficient language model learning that supports masked word prediction. The approach builds on Cobweb, an incremental system that learns a hierarchy of probabilistic concepts. Each…

计算与语言 · 计算机科学 2024-09-20 Xin Lian , Nishant Baglodi , Christopher J. MacLellan

The Semantic Web is an extension of the current web in which information is given well-defined meaning. The perspective of Semantic Web is to promote the quality and intelligence of the current web by changing its contents into machine…

人工智能 · 计算机科学 2012-08-06 Hamed Hassanzadeh , MohammadReza Keyvanpour

Understanding dataset semantics is crucial for effective search, discovery, and integration pipelines. To this end, column type annotation (CTA) methods associate columns of tabular datasets with semantic types that accurately describe…

数据库 · 计算机科学 2026-02-05 Christos Koutras , Juliana Freire

Understanding the semantics of tables at scale is crucial for tasks like data integration, preparation, and search. Table understanding methods aim at detecting a table's topic, semantic column types, column relations, or entities. With the…

数据库 · 计算机科学 2021-09-14 Madelon Hulsebos , Sneha Gathani , James Gale , Isil Dillig , Paul Groth , Çağatay Demiralp

Large collections of tabular data from data lakes, web tables and open data portals often originate from heterogeneous sources, leading to representational inconsistencies. Understanding and organizing such repositories therefore remains a…

数据库 · 计算机科学 2026-05-27 Zhenyu Wu , Jiaoyan Chen , Norman W. Paton

Large collections of tabular data from data lakes, web tables and open data portals often originate from heterogeneous sources, leading to representational inconsistencies. Understanding and organizing such repositories therefore remains a…

数据库 · 计算机科学 2026-05-27 Zhenyu Wu , Jiaoyan Chen , Norman W. Paton

We present an approach for modeling the Semantic Web as a type system. By using a type system, we can use symbolic representation for representing linked data. Objects with only data properties and references to external resources are…

计算机科学中的逻辑 · 计算机科学 2015-03-06 Rod Moten

Computer vision is widely used in the fields of driverless, face recognition and 3D reconstruction as a technology to help or replace human eye perception images or multidimensional data through computers. Nowadays, with the development and…

计算机视觉与模式识别 · 计算机科学 2021-10-11 Ming Li , ChenHao Guo

Knowledge graphs offer a structured representation of real-world entities and their relationships, enabling a wide range of applications from information retrieval to automated reasoning. In this paper, we conduct a systematic comparison…

机器学习 · 计算机科学 2025-07-31 Thanh Hoang-Minh

Enriching existing medical terminology knowledge bases (KBs) is an important and never-ending work for clinical research because new terminology alias may be continually added and standard terminologies may be newly renamed. In this paper,…

计算与语言 · 计算机科学 2019-09-04 Jiaying Zhang , Zhixing Zhang , Huanhuan Zhang , Zhiyuan Ma , Yangming Zhou , Ping He

We present a new Convolutional Neural Network (CNN) model for text classification that jointly exploits labels on documents and their component sentences. Specifically, we consider scenarios in which annotators explicitly mark sentences (or…

计算与语言 · 计算机科学 2016-09-27 Ye Zhang , Iain Marshall , Byron C. Wallace

Collaborative filtering (CF) is a core technique for recommender systems. Traditional CF approaches exploit user-item relations (e.g., clicks, likes, and views) only and hence they suffer from the data sparsity issue. Items are usually…

信息检索 · 计算机科学 2020-10-19 Guangneng Hu

Concept-bottleneck models (CBMs) are neural classifiers that compute predictions from high-level concepts extracted from the input. CBMs ensure stakeholders can understand the concepts -- and the predictions they entail -- by learning these…

计算机视觉与模式识别 · 计算机科学 2026-05-19 Nicola Debole , Andrea Passerini , Stefano Teso , Andrea Pugnana , Emanuele Marconato

Taxonomy inference for tabular data is a critical task of schema inference, aiming at discovering entity types (i.e., concepts) of the tables and building their hierarchy. It can play an important role in data management, data exploration,…

数据库 · 计算机科学 2025-03-31 Zhenyu Wu , Jiaoyan Chen , Norman W. Paton

Data management and analysis tasks are often carried out using spreadsheet software. A popular feature in most spreadsheet platforms is the ability to define data-dependent formatting rules. These rules can express actions such as "color…

软件工程 · 计算机科学 2023-08-16 Mukul Singh , Jose Cambronero , Sumit Gulwani , Vu Le , Carina Negreanu , Gust Verbruggen