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Data is a precious resource in today's society, and is generated at an unprecedented and constantly growing pace. The need to store, analyze, and make data promptly available to a multitude of users introduces formidable challenges in…

Distributed, Parallel, and Cluster Computing · Computer Science 2023-06-08 Alessandro Margara , Gianpaolo Cugola , Nicolò Felicioni , Stefano Cilloni

A lot of advances in the processing of XML data have been proposed in last two decades. There were many approaches focused on the efficient processing of twig pattern queries (TPQ). However, including the TPQ into an XQuery compiler is not…

Databases · Computer Science 2019-03-15 Petr Lukáš , Radim Bača , Michal Krátký

The exploration of multimodal language models integrates multiple data types, such as images, text, language, audio, and other heterogeneity. While the latest large language models excel in text-based tasks, they often struggle to…

Artificial Intelligence · Computer Science 2023-11-23 Jiayang Wu , Wensheng Gan , Zefeng Chen , Shicheng Wan , Philip S. Yu

The problem of representing a detector in a form which is accessible to a variety of applications, allows retrieval of information in ways which are natural to those applications, and is maintainable has been vexing physicists for some…

Instrumentation and Detectors · Physics 2014-11-18 J. R. Bogart , D. Favretto , R. Giannitrapani

We propose the vision of a functional data model (FDM) and an associated functional query language (FQL). Our proposal has far-reaching consequences: we show a path to come up with a modern QL that solves (almost if not) all problems of SQL…

Databases · Computer Science 2025-07-29 Jens Dittrich

This paper presents some experiments in clustering homogeneous XMLdocuments to validate an existing classification or more generally anorganisational structure. Our approach integrates techniques for extracting knowledge from documents with…

Information Retrieval · Computer Science 2007-05-23 Thierry Despeyroux , Yves Lechevallier , Brigitte Trousse , Anne-Marie Vercoustre

Heterogeneous memory technologies are increasingly important instruments in addressing the memory wall in HPC systems. While most are deployed in single node setups, CXL.mem is a technology that implements memories that can be attached to…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-12-10 Stepan Vanecek , Matthew Turner , Manisha Gajbe , Matthew Wolf , Martin Schulz

Multi-model databases are designed to store, manage, and query data in various models, such as relational, hierarchical, and graph data, simultaneously. In this paper, we provide a theoretical basis for querying categorical databases. We…

Databases · Computer Science 2026-03-12 Jiaheng Lu

Large Language Models (LLMs) have emerged as powerful tools for automating and executing complex data tasks. However, their integration into more complex data workflows introduces significant management challenges. In response, we present…

Databases · Computer Science 2025-06-24 Jinjin Zhao , Sanjay Krishnan

The problem of complex data analysis is a central topic of modern statistical science and learning systems and is becoming of broader interest with the increasing prevalence of high-dimensional data. The challenge is to develop statistical…

Machine Learning · Statistics 2018-03-05 Faicel Chamroukhi , Hien D. Nguyen

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

Large language models (LLMs) have become essential for applications such as text summarization, sentiment analysis, and automated question-answering. Recently, LLMs have also been integrated into relational database management systems to…

Databases · Computer Science 2025-08-29 Kerem Akillioglu , Anurag Chakraborty , Sairaj Voruganti , M. Tamer Özsu

Efficient processing of aggregated range queries on two-dimensional grids is a common requirement in information retrieval and data mining systems, for example in Geographic Information Systems and OLAP cubes. We introduce a technique to…

Data Structures and Algorithms · Computer Science 2016-04-01 Nieves R. Brisaboa , Guillermo De Bernardo , Roberto Konow , Gonzalo Navarro , Diego Seco

SQL-on-Hadoop systems, query optimization, data distribution over multiple nodes and parallelization techniques are few of the areas under extreme research these days. Big names like Amazon, Google, Microsoft and many more are working on…

Databases · Computer Science 2016-08-17 Abdur Rafay

Multilevel modeling and simulation (M&S) is becoming increasingly relevant due to the benefits that this methodology offers. Multilevel models allow users to describe a system at multiple levels of detail. From one side, this can make…

Software Engineering · Computer Science 2024-03-26 Luca Serena , Moreno Marzolla , Gabriele D'Angelo , Stefano Ferretti

Multi-view clustering has been widely used in recent years in comparison to single-view clustering, for clear reasons, as it offers more insights into the data, which has brought with it some challenges, such as how to combine these views…

Machine Learning · Computer Science 2025-11-25 Alaeddine Zahir , Khalide Jbilou , Ahmed Ratnani

The ability to collect and analyze large amounts of data is a growing problem within the scientific community. The growing gap between data and users calls for innovative tools that address the challenges faced by big data volume, velocity…

Databases · Computer Science 2016-08-01 Vijay Gadepally , Jeremy Kepner

We propose to demonstrate LiquidXML, a platform for managing large corpora of XML documents in large-scale P2P networks. All LiquidXML peers may publish XML documents to be shared with all the network peers. The challenge then is to…

Databases · Computer Science 2010-08-05 Jesús Camacho-Rodríguez , Asterios Katsifodimos , Ioana Manolescu , Alexandra Roatis

XSLT is an increasingly popular language for processing XML data. It is widely supported by application platform software. However, little optimization effort has been made inside the current XSLT processing engines. Evaluating a very…

Databases · Computer Science 2007-05-23 Zhimao Guo , Min Li , Xiaoling Wang , Aoying Zhou

This paper presents an extensive experimental study of the state-of-the-art of XML compression tools. The study reports the behavior of nine XML compressors using a large corpus of XML documents which covers the different natures and scales…

Databases · Computer Science 2008-12-18 Sherif Sakr