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In a data warehousing process, mastering the data preparation phase allows substantial gains in terms of time and performance when performing multidimensional analysis or using data mining algorithms. Furthermore, a data warehouse can…

Databases · Computer Science 2007-05-23 Jérôme Darmont , Omar Boussaïd , Fadila Bentayeb

Supply Chain (SC) modeling is essential to understand and influence SC behavior, especially for increasingly globalized and complex SCs. Existing models address various SC notions, e.g., processes, tiers and production, in an isolated…

Databases · Computer Science 2022-05-16 Nour Ramzy , Soren Auer , Hans Ehm , Javad Chamanara

Schema matching is a foundational task in enterprise data integration, aiming to align disparate data sources. While traditional methods handle simple one-to-one table mappings, they often struggle with complex multi-table schema matching…

Databases · Computer Science 2025-07-16 Sha Wang , Yuchen Li , Hanhua Xiao , Bing Tian Dai , Roy Ka-Wei Lee , Yanfei Dong , Lambert Deng

Task-oriented semantic communications have achieved significant performance gains. However, the employed deep neural networks in semantic communications have to be updated when the task is changed or multiple models need to be stored for…

Signal Processing · Electrical Eng. & Systems 2024-06-11 Guangyi Zhang , Qiyu Hu , Zhijin Qin , Yunlong Cai , Guanding Yu , Xiaoming Tao

The reliance on data-driven decision-making across sectors highlights the critical need for high-quality data; despite advancements, data quality issues persist, significantly impacting business strategies and scientific research. Current…

Databases · Computer Science 2024-10-22 Marcelo Valentim Silva , Hannes Herrmann , Valerie Maxville

With the rapid advancement of autonomous driving technology, a lack of data has become a major obstacle to enhancing perception model accuracy. Researchers are now exploring controllable data generation using world models to diversify…

Computer Vision and Pattern Recognition · Computer Science 2025-06-27 Xinqing Li , Ruiqi Song , Qingyu Xie , Ye Wu , Nanxin Zeng , Yunfeng Ai

Large language models (LLMs) have shown promise in table Question Answering (Table QA). However, extending these capabilities to multi-table QA remains challenging due to unreliable schema linking across complex tables. Existing methods…

Artificial Intelligence · Computer Science 2025-11-25 Xixi Wang , Miguel Costa , Jordanka Kovaceva , Shuai Wang , Francisco C. Pereira

The amount of data in the world is expanding rapidly. Every day, huge amounts of data are created by scientific experiments, companies, and end users' activities. These large data sets have been labeled as "Big Data", and their storage,…

Databases · Computer Science 2020-04-29 Mahdi Bohlouli , Frank Schulz , Lefteris Angelis , David Pahor , Ivona Brandic , David Atlan , Rosemary Tate

The continuous expansion of open data platforms and research repositories has led to a fragmented dataset ecosystem, posing significant challenges for cross-source data discovery and interpretation. To address these challenges, we introduce…

Information Retrieval · Computer Science 2026-03-12 Kan Ling , Zhen Qin , Yichi Zhu , Hengrun Zhang , Huiqun Yu , Guisheng Fan

Stanford Medicine is building a new data platform for our academic research community to do better clinical data science. Hospitals have a large amount of patient data and researchers have demonstrated the ability to reuse that data and AI…

The advancement of technology facilitates explosive growth of mobile usage in the last decade. Numerous applications have been developed to support its usage. However, gap in technology exists in obtaining correct and trusted values for…

Other Computer Science · Computer Science 2011-08-30 Supriya Chakrabarty , Nabendu Chaki

As the amount of data on the World Wide Web continues to grow exponentially, access to semantically structured information remains limited. The Semantic Web has emerged as a solution to enhance the machine-readability of data, making it…

Digital Libraries · Computer Science 2023-06-21 Muhammad Zohaib

Various tasks, such as summarization, multi-hop question answering, or coreference resolution, are naturally phrased over collections of real-world documents. Such tasks present a unique set of challenges, revolving around the lack of…

Computation and Language · Computer Science 2024-06-25 Gili Lior , Avi Caciularu , Arie Cattan , Shahar Levy , Ori Shapira , Gabriel Stanovsky

The growing trends in automation, Internet of Things, big data and cloud computing technologies have led to the fourth industrial revolution (Industry 4.0), where it is possible to visualize and identify patterns and insights, which results…

Artificial Intelligence · Computer Science 2024-01-19 Idoia Berges , Víctor Julio Ramírez-Durán , Arantza Illarramendi

Supply chain management (SCM) involves coordinating the flow of goods, information, and finances across various entities to deliver products efficiently. Effective inventory management is crucial in today's volatile and uncertain world.…

Computation and Language · Computer Science 2025-02-03 Yinzhu Quan , Zefang Liu

In this paper, we introduce the MLM (Multiple Languages and Modalities) dataset - a new resource to train and evaluate multitask systems on samples in multiple modalities and three languages. The generation process and inclusion of semantic…

Machine Learning · Computer Science 2020-10-27 Jason Armitage , Endri Kacupaj , Golsa Tahmasebzadeh , Swati , Maria Maleshkova , Ralph Ewerth , Jens Lehmann

Machine Learning (ML) is continuously permeating a growing amount of application domains. Generative AI such as Large Language Models (LLMs) also sees broad adoption to process multi-modal data such as text, images, audio, and video. While…

Machine Learning · Computer Science 2024-07-18 Pierre Lamart , Yinan Yu , Christian Berger

Data quality is a significant issue for any application that requests for analytics to support decision making. It becomes very important when we focus on Internet of Things (IoT) where numerous devices can interact to exchange and process…

Machine Learning · Computer Science 2020-07-30 Anna Karanika , Panagiotis Oikonomou , Kostas Kolomvatsos , Christos Anagnostopoulos

The advancement of large language models (LLMs) is critically dependent on the availability of high-quality datasets for Supervised Fine-Tuning (SFT), alignment tasks like Direct Preference Optimization (DPO), etc. In this work, we present…

Artificial Intelligence · Computer Science 2025-12-12 Bidyapati Pradhan , Surajit Dasgupta , Amit Kumar Saha , Omkar Anustoop , Sriram Puttagunta , Vipul Mittal , Gopal Sarda

Targeted Sentiment Analysis (TSA) is a central task for generating insights from consumer reviews. Such content is extremely diverse, with sites like Amazon or Yelp containing reviews on products and businesses from many different domains.…

Computation and Language · Computer Science 2022-05-10 Orith Toledo-Ronen , Matan Orbach , Yoav Katz , Noam Slonim