Yinqi Sun - Home Page

Yinqi Sun is a passionate researcher interested in Machine Learning, Database Systems, Data Science and Visualization. I also write compilers and databases. Author of AQuery++, a columnstore database.

You may find my works in:

GitHub page Google Scholar CV

Contact me: sunyinqi0508@gmail.com

My Projects (Pre 2022, No Agentic Coding):

Computer Graphics Gallery

Liquid Glass Effects adapted from Ray Tracing Shaders, homework 4
Mouse trace from scratch, first implemented in homework 8

AQuery++: A column-store, time-series database I wrote that compiles query into C++.

Standalone Support for SQL92 queries, UDF, User Module Extension, Stored Procedure, Triggers, Built-in Aggregation functions.
Can use embedded relational databases (e.g. MonetDB, SQLite, DuckDB) as data source to extend functionality such as Transaction Control, Disk Storage and Indexes.

WatchOS Player: Standalone local music player for WatchOS 9+, sync via HTTP.

ChocoPy Compiler in Java: Compiles ChocoPy (subset of Python) into RISCV assembly (Available Upon Request)

My first Compiler: A Pascal Compiler in C++, hand-coded SLR(1) parser

Selected Publications:

Vexless: A Serverless Vector Data Management System Using Cloud Functions SIGMOD 2024

An Exact 56-Addition, Rank-23 Scheme for General 3*3 Matrix Multiplication arXiv Preprint 2026

Revisiting stress majorization as a unified framework for interactive constrained graph visualization IEEE VIS 2017

Structure-aware Fisheye Views for Efficient Large Graph Exploration IEEE VIS 2018

Forgetful Forests: Data Structures for Machine Learning on Streaming Data under Concept Drift MDPI Algorithms 2023

Useful Tools:

Self Hosted Compiler Explorer by Matt Godbolt

Self Hosted Git Server powered by Gitea