2018 Data Systems Group Events

Public talks of interest to the Data Systems Group are posted here, and are also mailed to the dsg-faculty, dsg-grads, dsg-friends mailing lists. Subscribe to one of these mailing lists to receive e-mail notification of upcoming events. Everyone is welcome to attend.

Information about older events can be found in the event archive.

2018 Events

PhD Seminar: Wednesday January 17, 12:30 pm, MC 5417
Speaker: Brad Glasbergen
Title: Title: Apollo: Learning Database Query Correlations for Predictive Caching
Absract: The performance of modern database applications is increasingly dependent on remote access latencies. The worldwide distribution of users results in significant latency for clients that are distant from the application's data center. Systems that reduce latencies by caching query data closer to clients are becoming more popular but do not take advantage of application-specific behaviour patterns. In this talk, I will present Apollo, a system that learns database query patterns and exploits them to enhance query performance via predictive caching. Experiments demonstrate Apollo's efficacy as a predictive cache for geo-distributed database applications.

PhD Seminar: Wednesday March 14, 1:00 pm, MC 5417
Speaker: Michael Abebe
Title: Title: EC-Store: A Dynamic Distributed Erasure Coded Storage System
Absract: Cloud storage systems typically choose between replicating or erasure encoding data to provide fault tolerance. Replication ensures that data can be accessed from a single site but incurs a much higher storage overhead, which is a costly downside for large-scale storage systems. Erasure coding has a lower storage requirement but relies on encoding/decoding and distributed data retrieval that can result in increased response times. In this talk I will present EC-Store, a dynamic distributed erasure coded storage system that significantly reduces data retrieval times when compared to replicated and erasure coded storage systems. EC-Store achieves these reductions in latency by making intelligent data access decisions and dynamically moving data in response to system load and access patterns.

CS Seminar: Monday March 26, 10:30 am, DC 1304
Speaker: Xi He, Duke University
Title: Leave No Trace: Personal Data with Provable Privacy Guarantees

CS Distinguished Lecture Series: Monday March 26, 3:30 pm, DC 1302
Speaker: Jennifer Widom, Stanford University
Title: Magic Moments in Research and Teaching

DSG Seminar Series: Friday April 20, 10:30 am, DC 1304
Speaker: Lei Zou, Peking University
Title: Speedup Set Intersections in Graph Algorithms using SIMD Instructionsnotes

DSG Seminar Series: Monday April 23, 10:30 am, DC 1302
Speaker: Barzan Mozafari, University of Michigan
Title: Making Approximate Query Processing Mainstream: Progress and the Road Ahead

DSG Seminar Series: Thursday April 26, 10:30 am, DC 1304
Speaker: Rachel Pottinger, University of British Columbia
Title: Improving Understanding and Exploration of Data by Non-Database Experts

DSG Seminar Series: Thursday May 10, 2:00 pm, DC 1304
Speaker: Daniel Lemire, Université Télug
Title: Next Generation Indexes For Big Data Engineering

MMath Thesis Presentation: Friday May 11, 1:30 pm, DC 1304
Speaker: Babar Naveed Memon
Title: RAMP: RDMA Migration Platform

MMath Thesis Presentation: Wednesday May 16, 1:00 pm, DC 2585
Speaker: Dallas Fraser
Title: Math Information Retrieval using a Text Search Engine

This page is maintained by Ken Salem.

Campaign Waterloo

Data Systems Group
David R. Cheriton School of Computer Science
University of Waterloo
Waterloo, Ontario, Canada N2L 3G1
Tel: 519-888-4567
Fax: 519-885-1208

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