activity
20192026
most citedCan Advanced Type Systems Be Usable? An Empirical Study of Ownership, Assets, and Typestate in Obsidian

15 citations · 41 across the 10 of their papers we have counts for

collaborators

10 papers

cs.HC2026

Kale: A Transformation-Safe Spreadsheet System

Michael Coblenz, Jacob Yim, Ajinkya Bokade +11

Spreadsheet formulas can refer to rectangular ranges of arbitrary size. When a user changes the structure of a referenced table, the spreadsheet system updates the references to re…

cs.SE2026

A Grounded Theory of Debugging in Professional Software Engineering Practice

Haolin Li, Michael Coblenz

Debugging is a central yet complex activity in software engineering. Prior studies have documented debugging strategies and tool usage, but little theory explains how experienced d…

cs.PL2021★ 1 cited

Toward a Theory of Programming Language and Reasoning Assistant Design: Minimizing Cognitive Load

Michael Coblenz

Current approaches to making programming languages and reasoning assistants more effective for people focus on leveraging feedback from users and on evaluating the success of parti…

cs.PL2021

An Empirical Study of Protocols in Smart Contracts

Timothy Mou, Michael Coblenz, Jonathan Aldrich

Smart contracts are programs that are executed on a blockhain. They have been used for applications in voting, decentralized finance, and supply chain management. However, vulnerab…

cs.SE2021★ 9 cited

Garbage Collection Makes Rust Easier to Use: A Randomized Controlled Trial of the Bronze Garbage Collector

Michael Coblenz, Michelle Mazurek, Michael Hicks

Rust is a general-purpose programming language that is both type- and memory-safe. Rust does not use a garbage collector, but rather achieves these properties through a sophisticat…

cs.PL2020

Psamathe: A DSL with Flows for Safe Blockchain Assets

Reed Oei, Michael Coblenz, Jonathan Aldrich

Blockchains host smart contracts for crowdfunding, tokens, and many other purposes. Vulnerabilities in contracts are often discovered, leading to the loss of large quantities of mo…

cs.PL2020★ 2 cited

User-Centered Programming Language Design: A Course-Based Case Study

Michael Coblenz, Ariel Davis, Megan Hofmann +7

Recently, user-centered methods have been proposed to improve the design of programming languages. In order to explore what benefits these methods might have for novice programming…

cs.SE2020★ 15 cited

Can Advanced Type Systems Be Usable? An Empirical Study of Ownership, Assets, and Typestate in Obsidian

Michael Coblenz, Jonathan Aldrich, Joshua Sunshine +1

Some blockchain programs (smart contracts) have included serious security vulnerabilities. Obsidian is a new typestate-oriented programming language that uses a strong type system…

cs.HC2019★ 2 cited

PLIERS: A Process that Integrates User-Centered Methods into Programming Language Design

Michael Coblenz, Gauri Kambhatla, Paulette Koronkevich +5

Programming language design requires making many usability-related design decisions. However, existing HCI methods can be impractical to apply to programming languages: they have h…

cs.PL2019★ 12 cited

Obsidian: Typestate and Assets for Safer Blockchain Programming

Michael Coblenz, Reed Oei, Tyler Etzel +6

Blockchain platforms are coming into broad use for processing critical transactions among participants who have not established mutual trust. Many blockchains are programmable, sup…