Ryan Yen

schoolUniversity of Waterloobar_chart#1614 Global Rank

Total Papers

HCI Rank

#1614

Research Areas

Years Active

Recent Publications

To Search or To Gen? Design Dimensions Integrating Web Search and Generative AI in Programmers' Information-Seeking Process

Programmers now use both generative AI (GenAI) and traditional web search for information-seeking, yet how these tools are used individually or in combination remains unclear. To answer this, we conducted a multi-phase investigation, including retrospective interviews to identify foraging behaviours and challenges and…

CHI '251st AuthorBest PaperGenerative AI (Text, Image, Music, Video) +2

Code Shaping: Iterative Code Editing with Free-form AI-Interpreted Sketching

We introduce the concept of code shaping, an interaction paradigm for editing code using free-form sketch annotations directly on top of the code and console output. To evaluate this concept, we conducted a three-stage design study with 18 different programmers to investigate how sketches can communicate intended code…

UIST '241st AuthorHuman-LLM Collaboration +1

CoLadder: Manipulating Code Generation via Multi-Level Blocks

This paper adopted an iterative design process to gain insights into programmers' strategies when using LLMs for programming. We proposed CoLadder, a novel system that supports programmers by facilitating hierarchical task decomposition, direct code segment manipulation, and result evaluation during prompt authoring.…

UIST '242nd AuthorFoot & Wrist Interaction +2

Gait Gestures: Examining Stride and Foot Strike Variation as an Input Method While Walking

Walking is a cyclic pattern of alternating footstep strikes, with each pair of steps forming a stride, and a series of strides forming a gait. We conduct a systematic examination of different kinds of intentional variations from a normal gait that could be used as input actions without interrupting overall walking pr…

UIST '241st AuthorConversational Chatbots +1

Memolet: Reifying the Reuse of User-AI Conversational Memories

As users engage more frequently with AI conversational agents, conversations may exceed their memory capacity, leading to failures in correctly leveraging certain memories for tailored responses. However, in finding past memories that can be reused or referenced, users need to retrieve relevant information in various…

CHI '242nd AuthorImmersion & Presence Research +2

CoPrompt: Supporting Prompt Sharing and Referring in Collaborative Natural Language Programming

Natural language (NL) programming has become more approachable due to the powerful code-generation capability of large language models (LLMs). This shift to using NL to program enhances collaborative programming by reducing communication barriers and context-switching among programmers from varying backgrounds. Howeve…

CSCW '232nd AuthorMethods

Wizundry: A Cooperative Wizard of Oz Platform for Simulating Future Speech-based Interfaces with Multiple Wizards

Wizard of Oz (WoZ) as a prototyping method has been used to simulate intelligent user interfaces, particularly for speech-based systems. However, as our societies' expectations on artificial intelligence (AI) grows, the question remains whether a single Wizard is sufficient for it to simulate smarter systems and more…

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