Relational calculus. Query processing and optimization. Transaction processing: failure, recovery, and concurrency. Database security. Logic-based systems. Parallel, distributed, and client/server ...

Resource Description Framework (RDF) query processing and optimization underpin the efficient retrieval and manipulation of data within vast, interconnected datasets. At its core, these ...

Improve query performance 4.2 times in average compared with Apache Spark SQL which is widely used parallel query processing system in both academia and industry. Can have a huge impact on large ...

M.Sc. Chao Zhang defends his doctoral thesis on Performance Benchmarking and Query Optimization for Multi-Model Databases on Monday the 19th of April 2021 at 13 o'clock in the University of Helsinki ...