Author

Sonia Castelo

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Jul 2026

UrbanTrace: LLM-Assisted Discovery and Semantics-Aware Integration of Spatial Data

This work presents UrbanTrace, a visual analytics system that transforms manual spatial data-wrangling into a transparent, node-based collaborative workflow with context-aware AI agents, and demonstrates that UrbanTrace turns spatial aggregation sensitivity from a methodological burden into an exploratory visual asset.

Sonia Castelo, Eden Wu, J. Rulff et al. · arXiv.org · 0 citations

Jul 2026

AgentTrails: Towards Trust and Reuse for Agentic Tasks

This work presents AgentTrails, a prototype system for agent provenance and sensemaking that converts raw trajectories into structured provenance graphs, where tool calls are modeled as computational actions and inputs and outputs as data artifacts and supports pattern extraction, downstream analysis, and skill abstrac...

Eden Wu, Sonia Castelo, Yurong Liu et al. · arXiv.org · 2 citations