9 papers
Categorical Calculus and Algebra for Multi-Model Data
Jiaheng Lu
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…
DBMS-LLM Integration Strategies in Industrial and Business Applications: Current Status and Future Challenges
Zhengtong Yan, Gongsheng Yuan, Qingsong Guo +1
Modern enterprises are increasingly driven by the DATA+AI paradigm, in which Database Management Systems (DBMSs) and Large Language Models (LLMs) have become two foundational infra…
Quantum Information-Theoretical Size Bounds for Conjunctive Queries with Functional Dependencies
Valter Uotila, Jiaheng Lu
Deriving formulations to estimate worst-case size bounds for conjunctive queries under various constraints has been at the core of theoretical database research. If the problem has…
A Categorical Unification for Multi-Model Data: Part II Categorical Algebra and Calculus
Jiaheng Lu
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…
A Categorical Unification for Multi-Model Data: Part I Categorical Model and Normal Forms
Jiaheng Lu
Modern database systems face a significant challenge in effectively handling the Variety of data. The primary objective of this paper is to establish a unified data model and theor…
Mercury: QoS-Aware Tiered Memory System
Jiaheng Lu, Yiwen Zhang, Hasan Al Maruf +4
Memory tiering has received wide adoption in recent years as an effective solution to address the increasing memory demands of memory-intensive workloads. However, existing tiered…