Navigation auf uzh.ch

Suche

Department of Informatics Database Technology

DBTG News

DBTG internal News

News list

  • DBTG Meeting April.24.2023

    Jamal will present his current research work with title : "Challenges in Estimating Predictability Upper Bound of a Time Series ".

  • DBTG Meeting April.17.2023

    Loris will present his BSc thesis work entitled : "Integration of Matrix Transposition into Database Systems ".

  • DBTG Meeting April.03.2023

    Amir will present his research work entitled : "Correlation Joins over Time Series Data Streams ".

  • DBTG Meeting March.27.2023

    Xinyu will present his MSc Thesis work entitled : "In-place Iterations in RDBMS".

  • 11th DBTG Retreat 2023:

    Date: 03.02.2023 - 05.02.2023

    Place: Hotel Oberwir, Feldthurns, Italy

    General Chairs: Prof. Dr. Michael Böhlen (University of Zürich), Prof. Dr. Johann Gamper (Free University of Bozen-Bolzano), Prof. Dr. Nikolaus Augsten (University of Salzburg)

    Local Chair: Prof. Dr. Johann Gamper (Free University of Bozen-Bolzano)

  • VLDB Talk Sept.06.2022

    Qing will present: "Dynamic Spanning Trees for Connectivity Queries on Fully-dynamic Undirected Graphs".

  • DBTG Meeting Sept.5.2022

    Lukas will present his MSc Thesis work entitled : "Optimization of Lempel-Ziv Entropy Rate Estimator for Numerical Time Series".

  • DBTG Meeting August.10.2022

    Andrin will present his BSc Thesis work entitled : "Orthogonal Recursive Bisection on the GPU for Accelerated Load Balancing in Large N-Body Simulations".

  • DBTG Meeting May.30.2022

    Qing will give a talk from his research on : "Revisit: dynamic spanning trees for connectivity queries on undirected fully-dynamic graphs".

  • DBTG Meeting May.16.2022

    Saad will give a talk from his research on : "Finding the application of Multi-Point Incremental Fourier Transform (MPIFT) Algorithm in Radio Astronomy".

  • DBTG Meeting May.02.2022

    Jamal will give a talk from his research on : "Quantifying and Computing Predictability Upper Bound of Univariate Time series".

  • DBTG Meeting April.11.2022

    Andris presented his thesis entitled : "Digital Message in a Bottle".

  • DBTG Meeting March.21.2022

    Nicoletta will present her thesis entitled : "Indexing Videos Containing Human Motion in the Form of Dance".

  • DBTG Meeting March.14.2022

    Laura will present her thesis entitled : "Exhaustive enumeration of variable-length motifs in time series".

  • DBTG Meeting March.07.2022

    Amir will give a talk on : "Identifying All-Pair Correlations in Time Series Data Streams".

  • DBTG Meeting Feb.21.2022

    Xiaozhe will defend his MSc thesis : "Implementing Learned Cardinality Estimation in a Database Systems Context".

  • Kevin's PhD Defense

    On 9 December 2021 Kevin Wellenzohn defends his PhD thesis.

  • DBTG Meeting Dec.07.2021

    Qing will present his research work on: "Dynamic Spanning Trees for Connectivity Queries on Fully-dynamic Undirected Graphs".

  • DBTG Meeting Nov.23.2021

    Jamal will present his current research on: "Numeric Time Series Predictability".

  • DBTG Meeting Nov.16.2021

    Amir will present his current research on: "Identifying All-Pair Correlations in Time Series Data Streams".

  • DBTG Meeting Nov.09.2021

    Saad will present his work: "Multi Point Incremental Fourier Transform on 2D Data Streams".

  • DBTG Meeting Nov.02.2021

    Alphonse Mariyagnanaseelan will defend his thesis: "Transitioning between data and schema values in MonetDB".

  • DBTG Meeting 26.05.2021

    Saad will present: "Multi Point Incremental Fourier Transform".

  • DBTG Meeting 12.05.2021

    Jamal will present: "Intrinsic Predictability of Symbolic Univariate Time series".

  • DBTG Meeting 05.05.2021

    Neeraj Kumar, Nivedita Nivedita and Xiaozhe Yao will present: "Implementing learned indexes on 1-dimensional and 2-dimensional data".

  • DBTG Meeting 28.04.2021

    Qing will present: "Dynamic Spanning Tree for Connectivity Queries on Undirected Fully-Dynamic Graphs".

  • ICDE Talk 21.04.2021

    Saad presents: "Single Point Incremental Fourier Transform on 2D Data Streams".

  • DBTG Meeting 21.04.2021

    Tobias Egger will present: "Scalable Exploratory Analyses of Feed Data".

  • DBTG Meeting 14.04.2021

    Kevin will present: "Scalable Content-and-Structure (CAS) Indexing".

  • DBTG Meeting 31.03.2021

    Amir will present: "Identifying All-Pair Correlations in Time Series Data Streams".

  • DBTG Meeting 16.02.2021

    Alex Schindler defends his MSc thesis: "Different Approaches to Supporting Connectivity Queries on Undirected Fully-Dynamic Graphs".

  • DBTG Meeting 15.12.2020

    Jamal will present: "Effect of Smoothing on Complexity of Time series and Prediction Performance".

  • Yvonne's PhD Defense

    On 8 December 2020 Yvonne Mülle defends her PhD thesis.

  • DBTG Meeting 01.12.2020

    Saad will present: "Convolved Incremental Fourier Transform over 2D-Data Streams".

  • DBTG Meeting 17.11.2020

    Amir will present: "Computing All-Pair Correlations in Time Series Data Stream".

  • Oksana's PhD Defense

    On 6 November 2020 Oksana Dolmatova defends her PhD thesis.

  • DBTG Meeting 03.11.2020

    Qing will present: "Euler Tour Representation for dynamic connectivity query".

    The presentation takes place at 14:00 in BIN 2.E.18 (and on Zoom).

  • DBTG Meeting 20.10.2020

    Kevin will present: "Hierarchical Context-Dependent Partitioning of Large Disk-Resident Datasets".

    The presentation takes place at 14:00 in BIN 2.E.18.

  • DBTG Meeting 06.10.2020

    Luka Popovic will defend this MSc thesis titled "Supporting Updates in the RCAS Index".

  • DBTG Meeting 01.09.2020

    Dominique Hässig and Marc Rettenbacher will defend their BSc theses.

  • DBTG Meeting 25.08.2020

    Johann Schwabe will defend this BSc thesis titled "A GPU-enabled Single-Point Incremental Fourier Transform".

  • DBTG Meeting 18.08.2020

    Thomas Mannhart will defend this BSc thesis titled "A General-purpose Range Join Algorithm for PostgreSQL".

  • DBTG Meeting 28.05.2019

    Saad will present: "Improving Complexity of Incremental Fourier Transform".

  • DBTG Meeting 14.05.2019

    Kevin will present "Content-and-Structure Indexing of JSON Documents".

  • DBTG Meeting 07.05.2019

    Nicolas Spielmann will present his BSc thesis, titled "Implementation of Single-Point Discrete Fourier Transform on two dimensional data".

  • DBTG Meeting 30.04.2019

    Yvonne will present "Reference-Time Restricted Functions".

  • DBTG Meeting 16.04.2019

    Oksana will present "AIDA, MADlib, and R for Combined Queries".

  • DBTG Meeting 01.04.2019

    Amir will present "Analyzing Medical Data Streams".

  • DBTG Meeting 04.12.2018

    Yvonne will present "Tuple-Based Functions in Ongoing Databases".

  • DBTG Meeting 20.11.2018

    Kevin will present "Compact Property-and-Path Indexes".

  • Katerina's PhD Defense

    On 16 November 2018 Katerina Papaioannou successfully defended her PhD thesis.

  • DBTG Meeting 06.11.2018

    Katerina will present "Negation in Temporal-Probabilistic Databases".

  • DBTG Meeting 23.10.2018

    Oksana will present "Evaluation of matrix operations defined over relations".

  • DBTG Meeting 09.10.2018

    Saad will present "Single Point Fourier Transform on Streaming Data".

  • DBTG Meeting 25.09.2018

    Timothy Pescatore will present his BSc thesis "Integration of Ongoing Integers into PostgreSQL".

  • DBTG Meeting 18.09.2018

    Claudio Brasser and Alphonse Mariyagnanaseelan will defend their BSc theses.

    The title of Claudio Brasser's thesis is "Implementation and Performance Evaluation of multi dimensional Fast Fourier Transform Algorithms on Streaming Data using Apache Flink".

    The title of Alphonse Mariyagnanaseelan's thesis is "Optimization of Mixed Queries in MonetDB System"

  • DBTG Meeting 26.06.2018

    Valentin Weiss will present his BSc thesis "Development of a Dynamic Web Application".

  • DBTG Meeting 29.05.2018

    Yvonne Mülle will give a talk on "What makes the difference? Difference Function for ongoing time intervals".

  • DBTG Meeting 15.05.2018

    Kevin Wellenzohn will give a talk on "Performance Evaluation of the Workload-Aware Property Index (WAPI)".

  • DBTG Meeting 17.04.2018

    Muhammad Saad will give a talk on "ASKAP Stream Processing using Apache Flink".

  • DBTG Meeting 20.03.2018

    Oksana Dolmatova will give a talk on "Empirical Evaluation of Relational Matrix Algebra".

  • DBTG Meeting 06.03.2018

    Katerina Papaioannou will give a talk on "Outer Joins and Anti Join in Temporal Probabilistic Databases".

  • DBTG Meeting 12.12.2017

    Muhammad Saad will give a talk on "Fourier transformation on stream data".

  • DBTG Meeting 21.11.2017

    Katerina Papaioannou will give a talk on "Temporal Probabilistic Databases with Rich Tuple Correlations".

  • DBTG Meeting 14.11.2017

    Noah Berni will defend his thesis on "Linear Optimization in Relational Databases".

  • DBTG Meeting 07.11.2017

    Kevin Wellenzohn will give a talk on "A Workload-Aware Index for Tree-Structured Data".

  • DBTG Meeting 17.10.2017

    Georgios Garmpis will give a talk on "Integrating Linear Optimization into Relational Database Systems".

  • DBTG Meeting 10.10.2017

    Lukas Yu will defend his BSc thesis on "Integration of Generally Valid Predicates into PostgreSQL".

  • DBTG Meeting 03.10.2017

    Yvonne Mülle will give a talk on "Functions and Predicates on Ongoing Data Types".

  • DBTG Meeting 19.09.2017

    Oksana Dolmatova will give a talk on "A Relational Matrix Algebra and its Implementation in a Column Store".

  • DBTG Meeting 04.07.2017

    Mirko Richter and Dzmitry Katsiuba will present their BSc thesis on "Lineage-Enhanced Temporal Aggregation" and "QR decomposition integration in MonetDB system" respectively.

  • DBTG Meeting 06.12.2016

    Georgios Garmpis will give a talk.

  • National Research Programme 75 "Big Data"

    The National Research Programme 75 “Big Data” (NRP 75) approved Michael Böhlen’s and Abraham Bernstein’s application for a project on Privacy Preserving, Peta-scale Stream Analytics for Domain-Experts. http://www.nfp75.ch/en/Pages/Home.aspx

  • DBTG Meeting 22.11.2016

    Yvonne Mülle will give a talk.

  • DBTG Meeting 08.11.2016

    Oksana Dolmatova will give a talk.

  • DBTG Meeting 25.10.2016

    Kevin Wellenzohn will give a talk.

  • DBTG Meeting 11.10.2016

    Katerina Papaioannou will give a talk.

  • DBTG Meeting 27.09.2016

    Jasmin Ebner will present his BSc Thesis on "Temporal Integrity Constraints in Databases With Ongoing Timestamps"

  • DBTG Meeting 20.09.2016

    Melina Mast will present his BSc Thesis on "Implementing an Index Structure for Streaming Time Series Data"

  • PhD Thesis Defense 23.08.2016

    Francesco Cafagna successfully defended his PhD Thesis entitled "Levering Sort-Merge for processing temporal data".

  • Colloquim Hanan Samet 22.9.2015

    Colloquium Hanan Samet

  • DBTG Meeting: Semester Overview

    All meetings start at 14:00 o' clock in room 2.A.10.

  • DBTG Meeting 22.9.2015

    MSc thesis presentation: Apps Frequently Installed Together

  • PhD Thesis Defence 29.05.2015

    Mourad Khayati will defend his PhD Thesis "Recovery of Missing Values using Matrix Decomposition Techniques" on May, 29 15:45-16:45 in room 1.D.06.

  • DBTG Meeting: 14.07.2015

    BSc Thesis: Temporal Filtering to Improve Temporal Duplicate Detection

  • PhD Thesis Defense

    Anton Dignös will defend his PhD Thesis entitled "Interval-Dependent Attributes in Relational Database Systems"

  • WWW 2015: Accepted Paper

    Pei Li's paper "Robust Group Linkage" has been accepted at the World Wide Web Conference '15.