activity
20242026
collaborators

7 papers

cs.AI2026

When Web Agents Finish but Still Fail: Reproducible Triggers and Trace Diagnostics for Parallel Web Exploration

Aagam Sogani, Botao Rui, Swetha Vaidyanathan +3

Long-horizon web agents often fail in ways hidden by final-answer evaluation: they may visit useful pages, produce a well-formed answer, and terminate confidently while still missi…

cs.DC2025

Exploring Distributed Vector Databases Performance on HPC Platforms: A Study with Qdrant

Seth Ockerman, Amal Gueroudji, Song Young Oh +5

Vector databases have rapidly grown in popularity, enabling efficient similarity search over data such as text, images, and video. They now play a central role in modern AI workflo…

cs.DC2025

PGT-I: Scaling Spatiotemporal GNNs with Memory-Efficient Distributed Training

Seth Ockerman, Amal Gueroudji, Tanwi Mallick +4

Spatiotemporal graph neural networks (ST-GNNs) are powerful tools for modeling spatial and temporal data dependencies. However, their applications have been limited primarily to sm…

cs.IR2025

Quake: Adaptive Indexing for Vector Search

Jason Mohoney, Devesh Sarda, Mengze Tang +5

Vector search, the task of finding the k-nearest neighbors of a query vector against a database of high-dimensional vectors, underpins many machine learning applications, including…

cs.LG2025

Armada: Memory-Efficient Distributed Training of Large-Scale Graph Neural Networks

Roger Waleffe, Devesh Sarda, Jason Mohoney +3

We study distributed training of Graph Neural Networks (GNNs) on billion-scale graphs that are partitioned across machines. Efficient training in this setting relies on min-edge-cu…

cs.LG2025

GraphSnapShot: Caching Local Structure for Fast Graph Learning

Dong Liu, Roger Waleffe, Meng Jiang +1

In our recent research, we have developed a framework called GraphSnapShot, which has been proven an useful tool for graph learning acceleration. GraphSnapShot is a framework for f…