Recent & Upcoming Talks

2025

From Hash Tables to B-trees: Rethinking Core Data Structures for Scalable Performance
May 2, 2025 10:19 AM — 10:19 AM Banglore India
Slides
Dynamic Graphs: Containers, Frameworks, and Benchmarks
Mar 2, 2025 4:10 PM — 4:10 PM Las Vegas, Nevada US
Slides

2024

Data Systems at Scale
Nov 1, 2024 4:06 PM — 4:06 PM Merced, California US
Slides
Adaptive Quotient Filters: How to Learn from Your Mistakes
Jul 3, 2024 3:58 PM — 3:58 PM Shonan, Japan
Slides
Beyond Bloom: A Tutorial on Future Feature-Rich Filters
Jun 14, 2024 3:50 PM — 3:50 PM Santiago, Chile
Slides
BP-tree: Overcoming the Point-Range Operation Tradeoff for In-Memory B-trees
Feb 9, 2024 3:44 PM — 3:44 PM Kirkland, Washington US
Slides
Overview of Computational Biology Research in the Lab
Jan 10, 2024 11:46 AM — 11:46 AM
Slides

2023

BP-tree: Overcoming the Point-Range Operation Tradeoff for In-Memory B-trees
Nov 17, 2023 7:35 PM — 7:35 PM Atlanta, Georgia US
Slides
IcebergHT: High Performance Hash Tables Through Stability and Low Associativity
Jun 24, 2023 9:28 AM — 9:28 AM Seattle, Washington US
Slides
High-Performance Filters for GPUs
Jun 24, 2023 9:26 AM — 9:26 AM Orlando, Florida US
Slides
IcebergHT: High Performance Hash Tables Through Stability and Low Associativity
Feb 24, 2023 9:17 AM — 9:17 AM Dagstuhl Germany 2023
Slides Video

2022

Designing High-Performance and Feature Rich GPU Filters For Exascale Computing
Sep 29, 2022 11:50 PM — 11:50 PM Salt Lake City, Utah
Slides
Scalability Challenges in Large-Scale Sequence Search
Sep 28, 2022 11:50 PM — 11:50 PM Salt Lake City, Utah
Slides
Vector Quotient Filters: Overcoming the Time/Space Trade-Off in Filter Design
Sep 6, 2022 11:49 PM — 11:49 PM Aussois France
Slides
Data Systems at Scale: Scaling Up by Scaling Down and Out
Mar 2, 2022 — University of Utah, George Mason University
Time to Change Your Filter
Feb 11, 2022 — Boston University
Project Slides

2021

Terrace: A Hierarchical Graph Container for Skewed Dynamic Graphs
Jun 2, 2021 — SIGMOD 2021
Video
Vector Quotient Filters: Overcoming the Time/Space Trade-Off in Filter Design
Jun 2, 2021 — SIGMOD 2021
Video
Data Systems at Scale: Scaling Up by Scaling Down and Out
Feb 22, 2021 — IISc Banglore, University of Arizona, VMWare Research, University of Illinois Chicago, Microsoft Research, University of Virginia
Slides
Applying Graph Neural Networks to Metagenomics
Feb 11, 2021 — Lawrence Berkeley National Lab
Slides Video

2019

Timely Reporting of Heavy Hitters using External Memory
Oct 12, 2019 — Jan 2, 2020 ITU, Copenhagen, Denmark and UMD, College Park, MD, USA
Slides
Small Refinements to the DAM Can Have Big Consequences for Data-Structure Design
Jun 24, 2019 — Jul 18, 2019 SPA 2019, Phoenix, AZ
Slides

2018

Fast and Space-Efficient Maps: Shrinking Big Data Down to Size
Oct 31, 2018 — Jul 18, 2019 Dissertation defense, Stony Brook University, NY
Slides
Buffered Count-Min Sketch on SSD: Theory and Experiments
Aug 22, 2018 — Jul 18, 2019 ESA 2018, Helsinki, Finland
Slides
Mantis: A Fast, Small, and Exact Large-Scale Sequence-Search Index
Apr 22, 2018 — Jul 18, 2019 RECOMB 2018, Paris, France
Slides
Scheduling Problems in Write-Optimized Key-Value Stores
Apr 6, 2018 — Jan 2, 2020 New Challenges in Scheduling Theory 20018, Aussois, France
Slides
Compact Representation of Annotated de Bruijn Graph
Jan 12, 2018 — Jul 18, 2019 Berkeley Lab, UC Berkeley, CA
Slides

2017

deBGR: An Efficient and Near-Exact Representation of the Weighted de Bruijn Graph
Sep 26, 2017 — Jul 18, 2019 Google Research, NY and VMware Research, CA
Slides Video
deBGR: An Efficient and Near-Exact Representation of the Weighted de Bruijn Graph
Jul 25, 2017 — Jul 18, 2019 ISMB 2017, Prague, Czech Republic
Slides Video
A General-Purpose Counting Filter: Making Every Bit Count
May 16, 2017 — May 18, 2017 SIGMOD 2017, Chicago, IL
Slides Video

2015

Intel Software Guard Extensions (SGX)
Aug 25, 2015 — Sandia National Laboratories, Livermore, CA
Slides