IIT Database Group

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DBGroup Weekly Meeting and Seminars

The DB group's weekly meetings are used to discuss administrative issues, plan research, as a paper reading group, and for research presentations.

2023 Fall

In 2023 Fall we are meeting Thursdays at 12pm-1pm in online and Boris's office.

Date Time Speakers Location Title Type of Talk
11/30 12pm-1pm Ziyu Liu online and Boris's office Paper Review
11/30 12pm-1pm Pengyuan Li online and Boris's office Paper Review
11/20 12pm-1pm Daniel Lee online and Boris's office Paper Review
11/20 12pm-1pm Chenjie Li online and Boris's office Fast Algorithms for Denial Constraint Discovery Paper Review
10/12 12pm-1pm Su Feng online and Boris's office Overview over Abstract Interpretation with Zonotopes Paper Review
10/05 12pm-1pm online and Boris's office Paper Review
09/28 12pm-1pm online and Boris's office Research Discussion
09/21 12pm-1pm online and Boris's office Research Discussion

2023 Spring

In 2023 Spring we are meeting Mondays at 5pm-6pm in online and Boris office.

Date Time Speakers Location Title Type of Talk
04/24 5pm-6pm Daniel Lee online and Boris office Paper Review
04/10 5pm-6pm Chenjie Li online and Boris office HoloClean: Holistic Data Repairs with Probabilistic Inference Paper Review
04/03 5pm-6pm Su Feng online and Boris office Efficient Management of Uncertain Data Thesis Dry-run
03/20 5pm-6pm Pengyuan Li online and Boris office Algorithms for Deferred View Maintenance Paper Review
03/13 5pm-6pm Ziyu Liu online and Boris office A Scalable Hash Ripple Join Algorithm Paper Review
02/27 5pm-6pm Su Feng online and Boris office A Paper That is Currently Reviewed Paper Review
02/20 5pm-6pm online and Boris office Research Discussion

2022 Fall

In 2022 Fall we are meeting Mondays at 5pm-6pm in online and Boris office.

Date Time Speakers Location Title Type of Talk
11/14 5pm-6pm Su Feng online and Boris office Paper Review
11/07 5pm-6pm Pengyuan Li online and Boris office Paper Review
10/24 5pm-6pm Ziyu Liu online and Boris office Wander Join: Online Aggregation via Random Walks Paper Review
10/17 5pm-6pm Daniel Lee online and Boris office Paper Review
10/03 5pm-6pm Chenjie Li online and Boris office Complaint-driven Training Data Debugging for Query 2.0 Paper Review
09/26 5pm-6pm online and Boris office Everybody presents and overview of their research Research Discussion

2022 Spring

In 2022 Spring we are meeting Mondays at 5pm-6pm in online.

Date Time Speakers Location Title Type of Talk
05/02 5pm-6pm online
04/25 5pm-6pm Felix Campbell online Efficient Answering of Historical What-if Queries Conference paper Dry-run
04/18 5pm-6pm Daniel Lee online Extracting Equivalent SQL from Imperative Code in Database Applications Paper Review
04/11 5pm-6pm online
04/04 5pm-6pm Chenjie Li online LSH Ensemble: Internet-Scale Domain Searchi Paper Review
03/28 5pm-6pm Pengyuan Li online Fine-grained Partitioning for Aggressive Data Skipping Paper Review
03/21 5pm-6pm Ziyu Liu online Overcoming Limitations of Sampling for Aggregation Queries Paper Review
03/07 5pm-6pm Su Feng online A unified approach to ranking in probabilistic databases Paper Review
02/28 5pm-6pm online Zhengjie Miao (Duke), title: Hands-on/hands-off: Helping Users Work with Data Science Pipelines Job Talk Dry Run
02/21 5pm-6pm Qitian Zeng online Generating Optimal Plans for Boolean Expressions Paper Review
02/14 5pm-6pm online
02/07 5pm-6pm online Group Research Discussion Research Talk
01/31 5pm-6pm online Group Research Discussion Research Talk
01/24 5pm-6pm online

2021 Fall

In 2021 Fall we are meeting Mondays at 5pm-6pm in online.

Date Time Speakers Location Title Type of Talk
11/29 5pm-6pm Md Kamrul Hasan online Paper Review
11/15 5pm-6pm Daniel Lee online POLARIS: The Distributed SQL Engine in Azure Synapse Paper Review
11/10 3pm-4pm Su Feng online Efficient Management of Uncertain Data Comprehensive Dry Run
11/08 5pm-6pm Xing Niu online Integrating Provenance Management and Query Optimization Defense Dry Run
11/01 5pm-6pm Felix Campbell online Incremental, Iterative Data Processing With Timely Dataflow Paper Review
10/25 5pm-6pm Ziyu Liu online Combining Aggregation and Sampling (Nearly) Optimally for Approximate Query Processing Paper Review
10/18 5pm-6pm Pengyuan Li online Join Index, Materialized View and Hybrid-Hash Join: A Performance Analysis Paper Review
10/04 5pm-6pm Chenjie Li online Why Should I Trust You? Explaining the Predictions of Any Classifier Paper Review
09/27 5pm-6pm Su Feng online Spatiotemporal aggregate computation: a survey Paper Review
09/20 5pm-6pm Md Kamrul Hasan online Automatic Error Correction Using the Wikipedia Page Revision History Research Presentation
09/20 5pm-6pm Qitian Zeng online Adaptive Execution of Compiled Queries Paper Review
09/13 5pm-6pm online
08/30 5pm-6pm online

2021 Spring

In 2021 Spring we are meeting Wednesdays at 4pm-5pm in online.

Date Time Speakers Location Title Type of Talk
04/29 4pm-5pm Daniel Lee online Compiling PL/SQL Away Paper Review
04/22 4pm-5pm Chenjie Li online Casual Relational Learning Paper Review
04/15 4pm-5pm Qitian Zeng online Adaptive Execution of Compiled Queries Paper Review
04/01 4pm-5pm Xing Niu online DeepSea: self-adaptive data partitioning and replication in scalable distributed data systems Paper Review
03/25 4pm-5pm Ziyu Liu online Statistical Analysis of Sketch Estimators Paper Review
03/18 4pm-5pm Su Feng online Overview of Top-k Queries over Uncertain Data Paper Review
03/11 4pm-5pm Pengyuan Li online Join Indicies Paper Review

2020 Fall

In 2020 Fall we are meeting Wednesdays at 3:30-4:30pm in SB233.

Date Time Speakers Location Title Type of Talk
11/25 3:30-4:30pm Daniel Lee SB233 Pushing Data-Induced Predicates Through Joins in Big-Data Clusters Paper Review
11/11 3:30-4:30pm Ziyu Liu SB233 DeepDB: learn from data, not from queries! Paper Review
11/04 3:30-4:30pm Pengyuan Li SB233 DBToaster: Higher-order delta processing for dynamic, frequently fresh views Paper Review
10/28 3:30-4:30pm Chenjie Li SB233 Efficient Mining of Emerging Patterns: Discovering Trends and Differences Paper Review
10/21 3:30-4:30pm SB233 Research lightning talks Research Talk
10/07 3:30-4:30pm Qitian Zeng SB233 Efficiently compiling efficient query plans for modern hardware + LLVM Introduction Paper Review
09/30 3:30-4:30pm Xing Niu SB233 Containment paper (TBA) Paper Review
09/23 3:30-4:30pm Su Feng SB233 Semantics of Ranking Queries for Probabilistic Data and Expected Ranks Paper Review
08/26 3:30-4:30pm Boris Glavic SB233 start of the semester Topic Talk

2020 Spring

In 2020 Spring we are meeting Thursdays at 4:30-5:30pm in SB233.

Date Time Speakers Location Title Type of Talk
04/30 4:30-5:30pm Seokki Lee SB233 Scaling-Up In-Memory Datalog Processing: Observations and Techniques Paper Review
04/23 4:30-5:30pm Pengyuan Li SB233 Maintaining Views Incrementally Paper Review
04/16 4:30-5:30pm Ziyu Liu SB233 Improved Histograms for Selectivity Estimation of Range Predicates Paper Review
04/09 4:30-5:30pm Su Feng SB233 Provenance for Aggregate Queries, Amsterdamer, Yael and Deutch, Daniel and Tannen, Val Paper Review
04/02 4:30-5:30pm Chenjie Li SB233 Informative Summarization of Numeric Data Paper Review
03/26 4:30-5:30pm Seokki Lee SB233 Why and Why-not Provenance for Queries with Negation Thesis Defense Dry-run
03/05 4:30-5:30pm Qitian Zeng SB233 Latch-free Synchronization in Database Systems: Silver Bullet or Fool's Gold? Paper Review
02/26 4:30-5:30pm Xing Niu SB233 Semantic data caching and replacement Paper Review
01/30 4:30-5:30pm Boris Glavic SB233 How to do literature search and organize bibliographies Topic Talk
01/23 4:30-5:30pm Qitian Zeng SB233 Reimplementation of GProM's enum_magic.h with preprocessor wizardry Topic Talk

2019 Spring

In 2019 Spring we are meeting Tuesdays at 3pm in SB233.

Date Time Speakers Location Title Type of Talk
06/?? 3pm Qitian Zeng SB233 Going Beyond Provenance: Explaining Query Answers with Pattern-based Counterbalances Conference Presentation Dry-run
04/23 3pm Qitian Zeng SB233 decide 3/15 Paper Review
04/16 3pm Ziyu Liu SB233 The history of histograms (abridged) Paper Review
04/10 3pm Bahareh Arab SB233 Provenance for Transactional Updates Thesis Defense Dry-run
04/09 3pm Seokki Lee SB233 BigDatalog Paper Review
04/09 3pm Pengyuan Li SB233 Of Nests and Trees [Dayal] Paper Review
03/12 3pm Su Feng SB233 Inconsistent query answering Paper Review
03/05 3pm Bahareh Arab SB233 Provsql: Provenance and probability management in postgresql Paper Review
02/26 3pm Xing Niu SB233 Paper Review

2018 Fall

In 2018 Fall we are meeting Tuesdays at 4pm in SB233.

Date Time Speakers Location Title Type of Talk
11/27 4pm SB233 TBA + TBA Paper Review
11/?? 4pm Xing Niu SB233 Provenance-aware Query Optimization Comprehensive Exam Dry-run
11/13 4pm Pengyuan Li Seokki Lee SB233 Algebraic unnesting for nested queries and Query-based Missing Answer Paper Review
11/06 4pm Bahareh Arab Su Feng SB233 TBA + TBA - Machine learning prov + uncertainty Paper Review
10/30 4pm Seokki Lee SB233 PUG: A Framework For Efficiently Computing And Summarizing Why And Why-Not Provenance Comprehensive Exam Dry-run
10/23 4pm Qitian Zeng SB233 Aggregation Outlier Explanations Research Overview
10/09 4pm Xing Niu SB233 You Say What, I Hear Where and Why - (Mis-)Interpreting SQL to Derive Fine-Grained Provenance Paper Review

2018 Spring

In 2018 Spring we are meeting Wednesday at 4pm in SB233.

Date Time Speakers Location Title Type of Talk
Apr/12 4pm Seokki Lee SB233 BlinkDB Paper Review
Apr/5 4pm Qitian Zeng SB233 TBD Paper Review
Mar/29 4pm Su Feng SB233 Libkin Paper Review
Mar/22 4pm Bahareh Arab SB233 Tiresisa (How to) Paper Review
Mar/8 4pm Xing Niu SB233 Nested Subquery Paper Review

2017 Fall

In 2017 Fall we are meeting Thursdays at 4pm in SB233.

Date Time Speakers Location Title Type of Talk
Nov/30 04pm Su Feng SB233 m-tables: Representing Missing Data Paper Review
Nov/16 04pm Bahareh Arab SB233 Transaction Repair for Multi-Version Concurrency Control Paper Review
Nov/9 04pm Seokki Lee SB233 Wander Join: Online Aggregation via Random Walks Paper Review
Nov/2 04pm Qitian Zeng SB233 Paper Review
Oct/26 04pm Xing Niu SB233 Skipping-oriented partitioning for columnar layouts Paper Review
Oct/12 04pm Bahareh Arab SB233 Reenacting Transactions to Computer Their Provenance Comprehensive Exam Dry-run
Sep/20 05pm Su Feng SB233 Uncertainty annotated databases Oral Exam Dry-run

2017 Spring

In 2017 Spring we are meeting Wednesdays at 4pm in SB233.

Date Time Speakers Location Title Type of Talk
Apr/05 04pm Xing Niu SB233 Provenance-aware Query Optimization (ICDE) Conference Presentation Dry-run
Mar/29 04pm Seokki Lee SB233 A SQL-Middleware Unifying Why and Why-Not Provenance for First-Order Queries (ICDE) Conference Presentation Dry-run
Mar/22 04pm Bahareh Arab SB233 TBA Paper Review
Mar/15 04pm Su Feng SB233 TBA Paper Review
Mar/08 04pm Seokki Lee SB233 The Complexity of Causality and Responsibility for Query Answers and non-Answers Paper Review
Mar/01 04pm Xing Niu SB233 Papers about query optimization involving group-by operations. Paper Review

2016 Fall

In 2016 Fall we are meeting Wednesdays at 4pm in SB233.

Date Time Speakers Location Title Type of Talk
Nov/30 04pm Bahareh Arab SB233 QFix: Diagnosing errors through query histories Paper Review
Nov/16 04pm Xing Niu SB233 On Provenance Minimization Paper Review
Nov/09 04pm Seokki Lee SB233 Selective Provenance for Datalog Programs Using Top-K Queries Paper Review
Nov/02 04pm Boris Glavic SB233 Approximate Query Processing Paper Review
Oct/19 04pm Su Feng SB233 Lenses: An On-Demand Approach to ETL Paper Review
Oct/05 04pm Bahareh Arab SB233 Reenactment for Read-Committed Snapshot Isolation (CIKM) Conference Presentation Dry-run

2016 Spring

In 2016 Spring we are meeting Wednesdays at 2pm in SB233.

Date Time Speakers Location Title Type of Talk
Apr/06 02pm Seokki Lee SB233 Paper Review
Mar/30 02pm Xing Niu SB233 Efficient Provenance Storage over Nested Data Collections Paper Review
Mar/23 02pm Bahareh Arab SB233 Containment of Conjunctive Queries on Annotated Relations Paper Review
Feb/17 02pm Boris Glavic SB233 Administrative Administrative
Jan/27 02pm Seokki Lee SB233 An Efficient SQL-based Implementation Unifying Why and Why-Not Provenance Oral Exam Testrun
Jan/27 01pm Bahareh Arab SB233 Reenacting Transactions to Compute their Provenance Oral Exam Testrun
Jan/20 02pm Boris Glavic SB233 Administrative
Jan/13 02pm Boris Glavic SB233 Plan for this semester Administrative

2015 Fall

In 2015 Fall we are meeting Wednesdays at 1pm in .

Date Time Speakers Location Title Type of Talk
Nov/18 2:30pm SB233 A formal approach to finding explanations for database queries Paper Review
Nov/11 2:30pm Seokki Lee SB233 Efficiently compiling efficient query plans for modern hardware Paper Review
Oct/28 2:30pm Seokki Lee SB233 Cell-based causality for data repairs Paper Review
Oct/07 01pm Interpretable and informative explanations of outcomes. Paper Review
Sep/09 01pm Raghav Kapoor About his internship Internship Review
Aug/26 01pm Boris Glavic 1) Linking prospective and retrospective provenance in scripts. 2) Decoupling Provenance Capture and Analysis from Execution. Paper Review + Administrative

2015 Summer

In 2015 Summer we are meeting Wednesdays at 1pm in SB106.

Date Time Speakers Location Title Type of Talk
July/22 01pm Andrea Cornudella SB106 Andrea presents her master thesis done at IIT: Computing Candidate Keys of Relational Operators for Optimizing Rewrite-Based Provenance Computations. Master Thesis Defence
July/01 01pm Xing Niu SB106 Trial run for Xing's presentation at TaPP: Interoperability for Provenance-aware Databases using PROV and JSON. Research Presentation
June/24 01pm Boris Glavic SB106 Index structures DB Background Introduction Informative
June/10 01pm Boris Glavic SB106 Final discussion on topics and groups for BSMP. Also a paper discussion on Causality and responsibility for queries. Paper Review + Administrative
June/03 01pm SB106 Overview of topics for the BSMP students. Administrative

2015 Spring

In 2015 Spring we are meeting Thursdays at 11am in SB233.

Date Time Speakers Location Title Type of Talk
May/11 11am Jason Arnold SB233 Jason will present his work on HRDBMS, a distributed database system, in this semester. Research Presentation
Apr/09 11am Xing Niu SB233 Why Not?. In Sigmod '09: proceedings of the 35th sigmod international conference on management of data Paper Review
Mar/26 11am Jingyu Zhu SB233 Looking inside the black-box: capturing data provenance using dynamic instrumentation Paper Review
Mar/12 11am Seokki Lee SB233 Explaining Missing Answers to SPJUA Queries Paper Review
Feb/19 11am Raghav Kapoor SB233 Ramp: a system for capturing and tracing provenance in mapreduce workflows Paper Review
Feb/03 02pm Xing Niu SB228 Design and Implementation of a Heuristic and Cost-based Optimizer for Rewrite-based Provenance Computation Oral Exam Testrun