Di Weng

schoolZhejiang Universitybar_chart#1116 Global Rank

Total Papers

HCI Rank

#1116

Research Areas

Years Active

Recent Publications

Cerebra: Aligning Implicit Knowledge in Interactive SQL Authoring

LLM-driven tools have significantly lowered barriers to writing SQL queries. However, user instructions are often underspecified, assuming the model understands implicit knowledge, such as dataset schemas, domain conventions, and task-specific requirements, that isn't explicitly provided. This results in frequently er…

CHI '265th+ AuthorPrivacy Perception & Decision-Making +2

TSEditor: Interactive Time Series Editing for Privacy Preservation

Publishing time series datasets raises substantial privacy concerns, as the underlying patterns (e.g., trends, values) can lead to the disclosure of individual identification. Mitigating these concerns remains challenging due to difficulties in pinpointing specific privacy-leaking patterns and protecting them without…

UIST '255th+ AuthorHuman-LLM Collaboration +2

ViseGPT: Towards Better Alignment of LLM-generated Data Wrangling Scripts and User Prompts

Large language models (LLMs) enable the rapid generation of data wrangling scripts based on natural language instructions, but these scripts may not fully adhere to user-specified requirements, necessitating careful inspection and iterative refinement. Existing approaches primarily assist users in understanding script…

CHI '255th+ AuthorInteractive Data Visualization +1

RidgeBuilder: Interactive Authoring of Expressive Ridgeline Plots

Ridgeline plots are frequently employed to visualize the evolution or distributions of multiple series with a pile of overlapping line, area, or bar charts, highlighting the peak patterns. While traditionally viewed as small multiple visualizations, their ridge-like patterns have increasingly attracted graphic designe…

CHI '253rd AuthorInteractive Data Visualization +2

StructVizor: Interactive Profiling of Semi-Structured Textual Data

Data profiling plays a critical role in understanding the structure of complex datasets and supporting numerous downstream tasks, such as social media analytics and financial fraud detection. While existing research predominantly focuses on structured data formats, a substantial portion of semi-structured textual data…

CHI '255th+ AuthorInteractive Data Visualization +1

Xavier: Toward Better Coding Assistance in Authoring Tabular Data Wrangling Scripts

Data analysts frequently employ code completion tools in writing custom scripts to tackle complex tabular data wrangling tasks. However, existing tools do not sufficiently link the data contexts such as schemas and values with the code being edited. This not only leads to poor code suggestions, but also frequent inter…

CHI '245th+ AuthorInteractive Data Visualization +1

Table Illustrator: Puzzle-based interactive authoring of plain tables

Plain tables excel at displaying data details and are widely used in data presentation, often polished to an elaborate appearance for readability in many scenarios. However, existing authoring tools fail to provide both flexible and efficient support for altering the table layout and styles, motivating us to develop a…

CHI '181st AuthorGeospatial & Map Visualization +2

HomeFinder Revisited: Finding Ideal Homes with Reachability-Centric Multi-Criteria Decision Making

Finding an ideal home is a difficult and laborious process. One of the most crucial factors in this process is the reachability between the home location and the concerned points of interest, such as places of work and recreational facilities. However, such importance is unrecognized in the extant real estate systems.…

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