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Dialect translation plays a key role in enabling seamless interaction across heterogeneous database systems. However, translating SQL queries between different dialects (e.g., from PostgreSQL to MySQL) remains a challenging task due to…

Databases · Computer Science 2025-04-02 Wei Zhou , Yuyang Gao , Xuanhe Zhou , Guoliang Li

Computer programs written in one language are often required to be ported to other languages to support multiple devices and environments. When programs use language specific APIs (Application Programming Interfaces), it is very challenging…

Software Engineering · Computer Science 2017-04-26 Xiaodong Gu , Hongyu Zhang , Dongmei Zhang , Sunghun Kim

Applications such as web search and social networking have been moving from centralized to decentralized cloud architectures to improve their scalability. MapReduce, a programming framework for processing large amounts of data using…

Distributed, Parallel, and Cluster Computing · Computer Science 2015-11-24 Pedro A. R. S. Costa , Xiao Bai , Fernando M. V. Ramos , Miguel Correia

We consider a wireless distributed computing system based on the MapReduce framework, which consists of three phases: \textit{Map}, \textit{Shuffle}, and \textit{Reduce}. The system consists of a set of distributed nodes assigned to compute…

Information Theory · Computer Science 2024-06-25 Elizabath Peter , K. K. Krishnan Namboodiri , B. Sundar Rajan

Modern large-scale deep learning workloads highlight the need for parallel execution across many devices in order to fit model data into hardware accelerator memories. In these settings, array redistribution may be required during a…

Distributed, Parallel, and Cluster Computing · Computer Science 2022-11-29 Norman A. Rink , Adam Paszke , Dimitrios Vytiniotis , Georg Stefan Schmid

We propose a visual query language for interactively exploring large-scale knowledge graphs. Starting from an overview, the user explores bar charts through three interactions: class expansion, property expansion, and subject/object…

Databases · Computer Science 2019-01-29 Oren Kalinsky , Oren Mishali , Aidan Hogan , Yoav Etsion , Benny Kimelfeld

Analytics on structured data is a mature field with many successful methods. However, most real world data exists in unstructured form, such as images and conversations. We investigate the potential of Large Language Models (LLMs) to enable…

Machine-learning from a disparate set of tables, a data lake, requires assembling features by merging and aggregating tables. Data discovery can extend autoML to data tables by automating these steps. We present an in-depth analysis of such…

Databases · Computer Science 2025-05-20 Riccardo Cappuzzo , Aimee Coelho , Felix Lefebvre , Paolo Papotti , Gael Varoquaux

Tabular data is ubiquitous in real-world applications and abundant on the web, yet its annotation has traditionally required human labor, posing a significant scalability bottleneck for tabular machine learning. Our methodology can…

Machine Learning · Computer Science 2024-06-25 Yaojie Hu , Ilias Fountalis , Jin Tian , Nikolaos Vasiloglou

This paper explores the multi-access distributed computing (MADC) model, a novel distributed computing framework where mapper and reducer nodes are distinct entities. Unlike traditional MapReduce frameworks, MADC leverages coding-theoretic…

Information Theory · Computer Science 2025-08-08 Shanuja Sasi , Onur Günlü

Applications in science and engineering often require huge computational resources for solving problems within a reasonable time frame. Parallel supercomputers provide the computational infrastructure for solving such problems. A…

Distributed, Parallel, and Cluster Computing · Computer Science 2007-05-23 Rajesh Sudarsan , Calvin J. Ribbens

Mining frequent itemsets from massive datasets is always being a most important problem of data mining. Apriori is the most popular and simplest algorithm for frequent itemset mining. To enhance the efficiency and scalability of Apriori, a…

Distributed, Parallel, and Cluster Computing · Computer Science 2015-11-24 Sudhakar Singh , Rakhi Garg , P. K. Mishra

Analyzing interconnection structures among underlying entities or objects in a dataset through the use of graph analytics has been shown to provide tremendous value in many application domains. However, graphs are not the primary…

Databases · Computer Science 2017-02-14 Konstantinos Xirogiannopoulos , Amol Deshpande

NoSQL databases have become increasingly popular due to their outstanding performance in handling large-scale, unstructured, and semi-structured data, highlighting the need for user-friendly interfaces to bridge the gap between…

Databases · Computer Science 2025-02-19 Jinwei Lu , Yuanfeng Song , Zhiqian Qin , Haodi Zhang , Chen Zhang , Raymond Chi-Wing Wong

Speech-based inputs have been gaining significant momentum with the popularity of smartphones and tablets in our daily lives, since voice is the most easiest and efficient way for human-computer interaction. This paper works towards…

Databases · Computer Science 2022-01-05 Yuanfeng Song , Raymond Chi-Wing Wong , Xuefang Zhao , Di Jiang

Large language models (LLMs) are emerging as few-shot learners capable of handling a variety of tasks, including comprehension, planning, reasoning, question answering, arithmetic calculations, and more. At the core of these capabilities is…

Databases · Computer Science 2024-11-05 Yu Pan , Hongfeng Yu , Tianjiao Zhao , Jianxin Sun

Text-to-SQL translates natural language questions into executable SQL queries, enabling intuitive database access for non-experts. While large language models achieve strong performance on Text-to-SQL with prompting, they still struggle…

Computation and Language · Computer Science 2026-05-12 Zhao Tan , Xiping Liu , Qing Shu , Qizhi Wan , Dexi Liu , Changxuan Wan

This paper introduces LMFAO (Layered Multiple Functional Aggregate Optimization), an in-memory optimization and execution engine for batches of aggregates over the input database. The primary motivation for this work stems from the…

Databases · Computer Science 2019-06-21 Maximilian Schleich , Dan Olteanu , Mahmoud Abo Khamis , Hung Q. Ngo , XuanLong Nguyen

Tabular data analysis is crucial in many scenarios, yet efficiently identifying the most relevant data analysis queries and results for a new table remains a significant challenge. The complexity of tabular data, diverse analytical…

Computation and Language · Computer Science 2025-04-01 Deyin Yi , Yihao Liu , Lang Cao , Mengyu Zhou , Haoyu Dong , Shi Han , Dongmei Zhang

We demonstrate NeedleDB, an open-source, deployment-ready database system for answering complex natural language queries over image data. Unlike existing approaches that rely on contrastive-learning embeddings (e.g., CLIP), which degrade on…

Databases · Computer Science 2026-03-31 Mahdi Erfanian , Abolfazl Asudeh
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