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Related papers: Two-Level Concept-Oriented Data Model

200 papers

Data warehouses are overwhelmingly built through a bottom-up process, which starts with the identification of sources, continues with the extraction and transformation of data from these sources, and then loads the data into a set of data…

Databases · Computer Science 2010-09-02 Flavio Rizzolo , Iluju Kiringa , Rachel Pottinger , Kwok Wong

We report on work in progress on 'nested term graphs' for formalizing higher-order terms (e.g. finite or infinite lambda-terms), including those expressing recursion (e.g. terms in the lambda-calculus with letrec). The idea is to represent…

Logic in Computer Science · Computer Science 2015-05-28 Clemens Grabmayer , Vincent van Oostrom

This study addresses the challenge of accurately identifying multi-task contention types in high-dimensional system environments and proposes a unified contention classification framework that integrates representation transformation,…

Distributed, Parallel, and Cluster Computing · Computer Science 2026-01-29 Xiao Yang , Yinan Ni , Yuqi Tang , Zhimin Qiu , Chen Wang , Tingzhou Yuan

In this paper we explore the task of modeling semi-structured object sequences; in particular, we focus our attention on the problem of developing a structure-aware input representation for such sequences. Examples of such data include user…

Computer Vision and Pattern Recognition · Computer Science 2023-05-24 Rudra Murthy , Riyaz Bhat , Chulaka Gunasekara , Siva Sankalp Patel , Hui Wan , Tejas Indulal Dhamecha , Danish Contractor , Marina Danilevsky

The concept of $typed$ $topology$ is introduced. In a typed topological space, some open sets are assigned "types", and topological concepts such as closure, connectedness can be defined using types. A finite data set in $R^2$ is a…

General Topology · Mathematics 2024-02-13 Wanjun Hu

This paper concerns the structure of learned representations in text-guided generative models, focusing on score-based models. A key property of such models is that they can compose disparate concepts in a `disentangled' manner. This…

Computation and Language · Computer Science 2024-02-09 Zihao Wang , Lin Gui , Jeffrey Negrea , Victor Veitch

Building Information Modeling (BIM) has revolutionized the construction industry by providing a comprehensive digital representation of building structures throughout their lifecycle. However, existing research lacks effective methods for…

Computational Engineering, Finance, and Science · Computer Science 2025-10-28 Jin Han , Xin-Zheng Lu , Jia-Rui Lin

The Object-Centric Event Data (OCED) is a novel meta-model aimed at providing a common ground for process data records centered around events and objects. One of its objectives is to foster interoperability and process information exchange.…

Information Retrieval · Computer Science 2026-02-11 Saba Latif , Fajar J. Ekaputra , Maxim Vidgof , Sabrina Kirrane , Claudio Di Ciccio

In this work, we propose a two-stage method for named entity recognition (NER), especially for nested NER. We borrowed the idea from the two-stage Object Detection in computer vision and the way how they construct the loss function. First,…

Computation and Language · Computer Science 2021-01-28 Bing Li

We propose a novel approach to the problem of semantic heterogeneity where data are organized into a set of stratified and independent representation layers, namely: conceptual(where a set of unique alinguistic identifiers are connected…

Databases · Computer Science 2021-05-21 Fausto Giunchiglia , Alessio Zamboni , Mayukh Bagchi , Simone Bocca

In this work, we focus on effectively leveraging and integrating information from concept-level as well as word-level via projecting concepts and words into a lower dimensional space while retaining most critical semantics. In a broad…

Computation and Language · Computer Science 2018-07-17 Yukun Ma , Erik Cambria

Comprehending the rich semantics in an image and ordering them in linguistic order are essential to compose a visually-grounded and linguistically coherent description for image captioning. Modern techniques commonly capitalize on a…

Computer Vision and Pattern Recognition · Computer Science 2022-06-15 Yehao Li , Yingwei Pan , Ting Yao , Tao Mei

We address the problem of answering queries over a distributed information system, storing objects indexed by terms organized in a taxonomy. The taxonomy consists of subsumption relationships between negation-free DNF formulas on terms and…

Distributed, Parallel, and Cluster Computing · Computer Science 2011-09-13 Carlo Meghini , Yannis Tzitzikas , Veronica Coltella , Anastasia Analyti

The aim of this research is to introduce a novel structural design process that allows architects and engineers to extend their typical design space horizon and thereby promoting the idea of creativity in structural design. The theoretical…

Machine Learning · Computer Science 2018-09-25 Lukas Fuhrimann , Vahid Moosavi , Patrick Ole Ohlbrock , Pierluigi Dacunto

Composed image retrieval which combines a reference image and a text modifier to identify the desired target image is a challenging task, and requires the model to comprehend both vision and language modalities and their interactions.…

Computer Vision and Pattern Recognition · Computer Science 2023-10-03 Shu Zhao , Huijuan Xu

This article presents the top-level of an ontology categorizing and generalizing best practices and quality criteria or measures for Linked Data. It permits to compare these techniques and have a synthetic organized view of what can or…

Digital Libraries · Computer Science 2013-05-31 Philippe A. Martin

The variety of data is one of the important issues in the era of Big Data. The data are naturally organized in different formats and models, including structured data, semi-structured data, and unstructured data. Prior research has…

Databases · Computer Science 2021-09-03 Valter Uotila , Jiaheng Lu , Dieter Gawlick , Zhen Hua Liu , Souripriya Das , Gregory Pogossiants

The described works have been carried out in the framework of a mid-term study initiated by the Centre Electronique de l'Armement and led by ADERSA, a French company of research under contract. The aim was to study the techniques of regular…

Computer Vision and Pattern Recognition · Computer Science 2016-05-06 Olivier Guye

Among 2D convolutional networks on point clouds, point-based approaches consume point clouds of fixed size directly. By analysis of PointNet, a pioneer in introducing deep learning into point sets, we reveal that current point-based methods…

Computer Vision and Pattern Recognition · Computer Science 2021-08-11 Zhenpeng Chen , Yuan li

The main goal of this paper is to evaluate knowledge base schemas, modeled as a set of entity types, each such type being associated with a set of properties, according to their focus. We intuitively model the notion of focus as ''the state…

Artificial Intelligence · Computer Science 2023-02-28 Mattia Fumagalli , Daqian Shi , Fausto Giunchiglia