2 citations · 4 across the 4 of their papers we have counts for
4 papers
Veer: Verifying Equivalence of Dataflow Versions in Iterative Data Analytics (Extended Version)
Sadeem Alsudais, Avinash Kumar, Chen Li
Data analytics using GUI-based dataflows is an iterative process in which an analyst makes many iterations of changes to refine the dataflow, generating a different version at each…
QueryBooster: Improving SQL Performance Using Middleware Services for Human-Centered Query Rewriting
Qiushi Bai, Sadeem Alsudais, Chen Li
SQL query performance is critical in database applications, and query rewriting is a technique that transforms an original query into an equivalent query with a better performance.…
Reshape: Adaptive Result-aware Skew Handling for Exploratory Analysis on Big Data
Avinash Kumar, Sadeem Alsudais, Shengquan Ni +3
The process of data analysis, especially in GUI-based analytics systems, is highly exploratory. The user iteratively refines a workflow multiple times before arriving at the final…
Maliva: Using Machine Learning to Rewrite Visualization Queries Under Time Constraints
Qiushi Bai, Sadeem Alsudais, Chen Li +1
We consider data-visualization systems where a middleware layer translates a frontend request to a SQL query to a backend database to compute visual results. We study the problem o…