Bulletin of the Technical Committee on

Data
Engineering

June 2026 Vol. 50 No. 2   IEEE Computer Society

Letters

Letter from the Editor-in-Chief   Haixun Wang 1
Letter from the Special Issue Editor   Carsten Binnig, Paolo Papotti, Gerardo Vitagliano 3

Special Issue on LLM-Native Data Systems

Semantic Query Plan Optimization for AI-Powered Analytics    
    Gerardo Vitagliano, Matthew Russo, Michael Cafarella, Sam Madden, Tim Kraska 5
What Do Users Actually Do with LLM-Powered Data Systems?  
    Shreya Shankar, Aditya G. Parameswara 18
Towards AI-Native Data Systems with the Semantic Operator Model and LOTUS    
    Liana Patel, Carlos Guestrin, Matei Zaharia 32
Expanding the Physical Design Space of LLM Data Systems    
    Gabriele Sanmartino, Matthias Urban, Carsten Binnig, Paolo Papotti 47
Compositional Online Learning for Semantic Data Processing Systems    
    Paweł Liskowski, Fuheng Zhao, Benjamin Han, Anupam Datta, Dimitris Tsirogiannis 61
ThalamusDB: Semantic Approximate Query Processing    
    Immanuel Trummer 76

Conference and Journal Notices

TCDE Membership Form   90