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We present a novel approach to knowledge graph visualization based on ontology design patterns. This approach relies on OPLa (Ontology Pattern Language) annotations and on a catalogue of visual frames, which are associated with foundational…

Human-Computer Interaction · Computer Science 2021-06-25 Luigi Asprino , Christian Colonna , Misael Mongiovì , Margherita Porena , Valentina Presutti

In this research paper so as to handle Information warehousing as well as online synthetic dispensation OLAP are necessary aspects of conclusion support which takes more and more turn into a focal point of the data source business.This…

Distributed, Parallel, and Cluster Computing · Computer Science 2016-12-28 Ahmed Mateen , Lareab Chaudhary

XML has emerged as the standard for representing and exchanging data on the World Wide Web. It is critical to have efficient mechanisms to store and query XML data to exploit the full power of this new technology. Several researchers have…

Databases · Computer Science 2010-10-11 Mustafa Atay , Yezhou Sun , Dapeng Liu , Shiyong Lu , Farshad Fotouhi

To cope with the unprecedented surge in demand for data computing for the applications, the promising concept of multi-access edge computing (MEC) has been proposed to enable the network edges to provide closer data processing for mobile…

Information Theory · Computer Science 2020-08-14 Qiqi Ren , Jian Chen , Omid Abbasi , Gunes Karabulut Kurt , Halim Yanikomeroglu , F. Richard Yu

Large Language Models (LLMs) can enhance analytics systems with powerful data summarization, cleaning, and semantic transformation capabilities. However, deploying LLMs at scale -- processing millions to billions of rows -- remains…

Databases · Computer Science 2025-07-08 Bardia Mohammadi , Laurent Bindschaedler

Although significant recent progress has been made in improving the multi-core scalability of high throughput transactional database systems, modern systems still fail to achieve scalable throughput for workloads involving frequent access…

Databases · Computer Science 2016-01-06 Kun Ren , Jose M. Faleiro , Daniel J. Abadi

The proliferation of modern data processing tools has given rise to open-source columnar data formats. The advantage of these formats is that they help organizations avoid repeatedly converting data to a new format for each application.…

Databases · Computer Science 2020-05-01 Tianyu Li , Matthew Butrovich , Amadou Ngom , Wan Shen Lim , Wes McKinney , Andrew Pavlo

Poor data quality has become a pervasive issue due to the increasing complexity and size of modern datasets. Constraint based data cleaning techniques rely on integrity constraints as a benchmark to identify and correct errors. Data values…

Databases · Computer Science 2017-05-25 Sridevi Baskaran , Alexander Keller , Fei Chiang , Golab Lukasz , Jaroslaw Szlichta

Most modern database-backed web applications are built upon Object Relational Mapping (ORM) frameworks. While ORM frameworks ease application development by abstracting persistent data as objects, such convenience often comes with a…

Databases · Computer Science 2016-11-24 Cong Yan , Alvin Cheung , Shan Lu

By harnessing the delay-Doppler (DD) resource domain, orthogonal time-frequency space (OTFS) substantially improves the communication performance under high-mobility scenarios by maintaining quasi-time-invariant channel characteristics.…

Information Theory · Computer Science 2024-11-18 Jie Chen , Xianbin Wang , Lajos Hanzo

Non-orthogonal multiple access (NOMA) systems have the potential to deliver higher system throughput, compared to contemporary orthogonal multiple access techniques. For a linearly precoded multiple-input multiple-output (MISO) system, we…

Information Theory · Computer Science 2015-12-08 Muhammad Fainan Hanif , Zhiguo Ding , Tharmalingam Ratnarajah , George K. Karagiannidis

Proprietary workflow modeling languages such as Smart Forms & Smart Flow hamper interoperability and reuse because they lock process knowledge into closed formats. To address this vendor lock-in and ease migration to open standards, we…

Software Engineering · Computer Science 2025-11-18 Francisco Abreu , Luís Cruz , Sérgio Guerreiro

Ontologies are known to improve the accuracy of Large Language Models (LLMs) when translating natural language queries into a formal query language like SQL or SPARQL. There are two ways to leverage ontologies when working with LLMs. One is…

Databases · Computer Science 2024-10-15 C. Civili , E. Sherkhonov , R. E. K. Stirewalt

How to manage various data in a unified way is a significant research topic in the field of databases. To address this problem, researchers have proposed multi-model databases to support multiple data models in a uniform platform with a…

Databases · Computer Science 2021-09-02 Gongsheng Yuan , Jiaheng Lu , Shuxun Zhang , Zhengtong Yan

The Mapper algorithm, a technique within topological data analysis (TDA), constructs a simplified graphical representation of high-dimensional data to uncover its underlying shape and structural patterns. The algorithm has attracted…

General Topology · Mathematics 2025-04-15 Vine Nwabuisi Madukpe , Bright Chukwuma Ugoala , Nur Fariha Syaqina Zulkepli

Structure-based drug design (SBDD) focuses on designing small-molecule ligands that bind to specific protein pockets. Computational methods are integral in modern SBDD workflows and often make use of virtual screening methods via docking or…

Machine Learning · Computer Science 2025-12-05 Ian Dunn , Liv Toft , Tyler Katz , Juhi Gupta , Riya Shah , Ramith Hettiarachchi , David R. Koes

User preference integration is of great importance in multi-objective optimization, in particular in many objective optimization. Preferences have long been considered in traditional multicriteria decision making (MCDM) which is based on…

Neural and Evolutionary Computing · Computer Science 2017-03-13 Longmei Li , Iryna Yevseyeva , Vitor Basto-Fernandes , Heike Trautmann , Ning Jing , Michael Emmerich

Ordinal Embedding places n objects into R^d based on comparisons such as "a is closer to b than c." Current optimization-based approaches suffer from scalability problems and an abundance of low quality local optima. We instead consider a…

Computational Geometry · Computer Science 2018-05-22 Jesse Anderton , Virgil Pavlu , Javed Aslam

Ontologies such as taxonomies, product catalogs or web directories are heavily used and hence evolve frequently to meet new requirements or to better reflect the current instance data of a domain. To effectively manage the evolution of…

Databases · Computer Science 2010-10-04 Michael Hartung , Anika Groß , Erhard Rahm

Being able to quickly integrate new equipment and functions into an existing plant is a major goal for both discrete and process manufacturing. But currently, these two industry domains use different approaches to achieve this goal. While…

Systems and Control · Electrical Eng. & Systems 2022-11-07 Aljosha Köcher , Lasse Beers , Alexander Fay