Proceedings
SIGMOD 2017 papers will be accessed here (TBD).
Conference Program: SIGMOD Sessions
This page describes the complete SIGMOD Conference program.
The SIGMOD 2017 program will also be available at http://confer.csail.mit.edu/sigmod2017. Confer is a conference program management tool with a crowd-sourcing component that automatically groups papers into sessions to maximize the number of papers each attendee likes that he or she will get to see.
SIGMOD Keynote Talks
Keynote Session 1: Grand Challenges in Data Management: Transactions
Tuesday 8:15-9:50
Location: International North
Session Chair: Magda Balazinska
Keynote Session 2: Grand Challenges in Data Management: Approximate Query Processing
Wednesday 8:15-9:50
Location: International North
Session Chair: Dan Suciu
TEASER Talks
Teaser Talks 1 (1’ per paper)
Tuesday 9:50-10:30
Location: International North
Session Chair: Magda Balazinska
Slides Teaser Talks 1.pdf
Teaser Talks 2 (1’ per paper)
Wednesday 9:50-10:30
Location: International North
Session Chair: Dan Suciu
Slides Teaser Talks 2.pdf
Teaser Talks 3 (1’ per paper)
Thursday 9:50-10:30
Location: International North
Session Chair: Dan Olteanu
Slides Teaser Talks 3.pdf
RESEARCH SESSIONS
Session 1: Concurrency (1)
Tuesday 11:00-12:15
Location: ♜Continental B
Session Chair: Alan Fekete
Session 2: Storage and Distribution (1)
Tuesday 11:00-12:15
Location: ♞Continental C
Session Chair: Sadoghi Hamedani
- (Industrial) Azure Data Lake Store: A Hyperscale Distributed File Service for Big Data Analytics (sgm161)
Raghu Ramakrishnan, Baskar Sridharan, John R. Douceur, Pavan Kasturi, Balaji Krishnamachari-Sampath, Karthick Krishnamoorthy, Peng Li, Mitica Manu, Spiro Michaylov, Rogério Ramos, Neil Sharman, Zee Xu, Youssef Barakat, Chris Douglas, Richard Draves, Shrikant S Naidu, Shankar Shastry, Atul Sikaria, Simon Sun, Ramarathnam Venkatesan (Microsoft)
- OctopusFS: A Distributed File System with Tiered Storage Management (sidm435)
Elena Kakoulli (Cyprus University of Technology); Herodotos Herodotou (Cyprus University of Technology)
- Monkey: Optimal Navigable Key-Value Store (sidm653)
Niv Dayan (Harvard University); Manos Athanassoulis (Harvard University); Stratos Idreos (Harvard University)
Video: https://www.youtube.com/watch?v=auI8BTws-f8
Session 3: Streams
Tuesday 11:00-12:15
Location: ♝Buckingham
Session Chair: Bongki Moon
Session 4: Versions and Incremental Maintenance
Tuesday 11:00-12:15
Location: ☼Lake Michigan
Session Chair: Arun Kumar
Session 5: Parallel and Distributed Query Processing (1)
Tuesday 11:00-12:15
Location: ☽Lake Erie
Session Chair: Holger Pirk
Session 6: Concurrency (2)
Tuesday 14:00-15:40
Location: ♜Continental B
Session Chair: Phil Bernstein
Session 7: Storage and Distribution (2)
Tuesday 14:00-15:40
Location: ♞Continental C
Session Chair: Mehul Shah
- Wide Table Layout Optimization based on Column Ordering and Duplication (sidm060)
Haoqiong Bian (DEKE Key Lab (MOE), Renmin Univ. of China); Ying Yan (Microsoft Research); Wenbo Tao (MIT); Liang Chen (Microsoft Research); Yueguo Chen (Renmin Univ. of China); Xiaoyong Du (Renmin Univ. of China); Thomas Moscibroda (Microsoft Research)
- Query Centric Partitioning and Allocation for Partially Replicated Database Systems (sidm630)
Tilmann Rabl (Technische Universität Berlin); Hans-Arno Jacobsen (University of Toronto)
- (Industrial) Spanner: Becoming a SQL System (sgm164)
David F. Bacon, Nathan Bales, Nico Bruno, Brian F. Cooper, Adam Dickinson, Andrew Fikes, Campbell Fraser, Andrey Gubarev, Milind Joshi, Eugene Kogan, Alexander Lloyd, Sergey Melnik, Christopher Taylor, Rajesh Rao, David Shue, Dale Woodford, Marcel van der Holst
Session 8: Tree & Graph Processing (1)
Tuesday 14:00-15:40
Location: ♝Buckingham
Session Chair: Semih Salihoglu
Session 9: New Hardware
Tuesday 14:00-15:40
Location: ☼Lake Michigan
Session Chair: Mohamed Mokbel
Session 10: Parallel and Distributed Query Processing (2)
Tuesday 14:00-15:40
Location: ☽Lake Erie
Session Chair: Boris Glavic
Session 11: Interactive Data Exploration and AQP (1)
Wednesday 11:00-12:15
Location: ♜Continental B
Session Chair: Mohamed Sarwat
Session 12: Beliefs, Conflicts, Knowledge
Wednesday 11:00-12:15
Location: ♞Continental C
Session Chair: Reynold Cheng
Session 13: Influence in Social Networks
Wednesday 11:00-12:15
Location: ♝Buckingham
Session Chair: Pierre Senellart
Session 14: Mappings, Transformations, Pricing
Wednesday 11:00-12:15
Location: ☼Lake Michigan
Session Chair: Arash Termehchy
Session 15: Optimization and Performance (1)
Wednesday 11:00-12:15
Location: ☽Lake Erie
Session Chair: Hank Korth
Session 16: Interactive Data Exploration and AQP (2)
Wednesday 14:00-15:40
Location: ♜Continental B
Session Chair: Florin Rusu
Session 17: User Preferences
Wednesday 14:00-15:40
Location: ♞Continental C
Session Chair: Julia Stoyanovich
Session 18: Tree & Graph Processing (2)
Wednesday 14:00-15:40
Location: ♝Buckingham
Session Chair: Vincent Oria
Session 19: Machine Learning
Wednesday 14:00-15:40
Location: ☼Lake Michigan
Session Chair: Theodoros Rekatsinas
Session 20: Optimization and Performance (2)
Wednesday 14:00-15:40
Location: ☽Lake Erie
Session Chair: Eugen Wu
Session 21: Encryption
Thursday 11:00-12:15
Location: ♜Continental B
Session Chair: Arvind Arasu
Session 22: Cleaning, Versioning, Fusion (1)
Thursday 11:00-12:15
Location: ♞Continental C
Session Chair: George Konstantinidis
Session 23: Tree & Graph Processing (3)
Thursday 11:00-12:15
Location: ♝Buckingham
Session Chair: Yufei Tao
Session 24: Spatial and Multidimensional Data (1)
Thursday 11:00-12:15
Location: ☼Lake Michigan
Session Chair: Guoliang Li
- Utility-Aware Ridesharing on Road Networks (sidm356)
Peng Cheng (Hong Kong University of Science and Technology); Hao Xin (Hong Kong University of Science and Technology); Lei Chen (Hong Kong University of Science and Technology)
- Distance Oracle on Terrain Surface (sidm529)
Victor Junqiu Wei (The Hong Kong University of Science and Technology); Raymond Chi-Wing Wong (the Hong Kong University of Science and Technology); Cheng Long (Queen's University Belfast); David Mount (University of Maryland)
- Efficient Computation of Top-k Frequent Terms over Spatio-Temporal Ranges (sidm514)
Pritom Ahmed (University of California, Riverside); Mahbub Hasan (University of California, Riverside); Abhijith Kashyap (University of California, Riverside); Vagelis Hristidis (University of California, Riverside); Vassilis J. Tsotras (University of California, Riverside)
Session 25: Optimization and Main Memory (1)
Thursday 11:00-12:15
Location: ☽Lake Erie
Session Chair: Gautam Das
Session 26: Privacy
Thursday 14:00-15:40
Location: ★ Lake Huron
Session Chair: Michael Hay
Session 27: Cleaning, Versioning, Fusion (2)
Thursday 14:00-15:40
Location: ♒ Lake Ontario
Session Chair: Paris Koutris
Session 28: Crowdsourcing
Thursday 14:00-15:40
Location: ♝Buckingham
Session Chair: Jiannan Wang
Session 29: Spatial and Multidimensional Data (2)
Thursday 14:00-15:40
Location: ☼Lake Michigan
Session Chair: Walid Aref
Session 30: Optimization and Main Memory (2)
Thursday 14:00-15:40
Location: ☽Lake Erie
Session Chair: Thomas Neuman
POSTER AND DEMO SESSIONS
SIGMOD/PODS Poster & Demo Session 1
Tuesday 16:00-18:00
Location: ⚓Stevens Salon D
Posters:
- All SIMOD papers from Tuesday: Research Sessions 1-10
- All PODS papers from Research Sessions 3, 4, 7
Posters of SIGMOD Programming Contest Finalists:
- DVA
Hyeonseok Oh and Jongbin Kim (Hanyang University, South Korea)
- gStreamPKU
Jiaze Chen and Shuo Han (Peking University, China)
- Mccree
Xupeng Li, Xuecan Yan, and Yiru Chen (Peking University, China)
- OZero
Jan Böttcher, Timo Kersten, Moritz Kaufmann, and Andreas Kipf (TU Munich, Germany)
- PartTimeContestants
Frank Tetzel, Ismail Oukid, and Thomas Bach (TU Dresden and Ruprecht-Karls Universitaet Heidelberg, Germany)
Demonstrations:
- Visual Graph Query Construction and Refinement
Robert Pienta (Georgia Institute of Technology), Fred Hohman (Georgia Institute of Technology), Acar Tamersoy (Georgia Institute of Technology), Alex Endert (Georgia Institute of Technology), Shamkant Navathe (Georgia Institute of Technology), Hanghang Tong (Arizona State University), Duen Horng Chau (Georgia Institute of Technology)
- Demonstration of the Cosette Automated SQL Prover
Shumo Chu (University of Washington), Daniel Li (University of Washington), Chenglong Wang (University of Washington), Alvin Cheung (University of Washington), Dan Suciu (University of Washington)
- Interactive Time Series Analytics Powered by ONEX
Rodica Neamtu (Worcester Polytechnic Institute), Ramoza Ahsan (Worcester Polytechnic Institute), Charles Lovering (Worcester Polytechnic Institute), Cuong Nguyen (Worcester Polytechnic Institute), Elke Rundensteiner (Worcester Polytechnic Institute), Gabor Sarkozy (Worcester Polytechnic Institute)
- A Demonstration of Lusail – Querying Linked Data at Scale
Essam Mansour (HBKU), Ibrahim Abdelaziz (King Abdullah University of Science & Technology), Mourad Ouzzani (HBKU), Ashraf Aboulnaga (HBKU), Panos Kalnis (King Abdullah University of Science & Technology)
- Foofah: A Programming-By-Example System for Synthesizing Data Transformation Programs
Zhongjun Jin (University of Michigan), Michael R Anderson (University of Michigan), Michael Cafarella (University of Michigan), H. V Jagadish (University of Michigan)
- Virtualized Network Service Topology Exploration Using Nepal
Pramod Jamkhedkar (AT&T Labs - Research), Theodore Johnson (AT&T Labs - Research), Yaron Kanza (AT&T Labs - Research), Aman Shaikh (AT&T Labs - Research), N.K. Shankarnarayanan (AT&T Labs - Research), Vladislav Shkapenyuk (AT&T Labs - Research), Gordon Woodhull (AT&T Labs - Research)
- VisualCloud Demonstration: A DBMS for Virtual Reality
Brandon Haynes (University of Washington), Artem Minyaylov (University of Washington), Magdalena Balazinska (University of Washington), Luis Ceze (University of Washington), Alvin Cheung (University of Washington)
- The Best of Both Worlds: Big Data Programming with Both Productivity and Performance
Fan Yang (The Chinese University of Hong Kong), Yuzhen Huang (The Chinese University of Hong Kong), Yunjian Zhao (The Chinese University of Hong Kong), Jinfeng Li (The Chinese University of Hong Kong), Guanxian Jiang (The Chinese University of Hong Kong), James Cheng (The Chinese University of Hong Kong)
- Debugging Big Data Analytics in Spark with BigDebug
Muhammad Ali Gulzar (University of California, Los Angeles), Matteo Interlandi (University of California, Los Angeles), Tyson Condie (University of California, Los Angeles), Miryung Kim (University of California, Los Angeles)
- Interactive Query Synthesis from Input-Output Examples
Chenglong Wang (University of Washington), Alvin Cheung (University of Washington), Rastislav Bodik (University of Washington)
- Generating Concise Entity Matching Rules
Rohit Singh (CSAIL, MIT), Vamsi Meduri (Arizona State University), Ahmed Elmagarmid (Qatar Computing Research Institute, HBKU), Samuel Madden (CSAIL, MIT), Paolo Papotti (Arizona State University), Jorge-Arnulfo Quiané-Ruiz (Qatar Computing Research Institute, HBKU), Armando Solar-Lezama (CSAIL, MIT), Nan Tang (Qatar Computing Research Institute, HBKU)
- A Demo of the Data Civilizer System
Raul Castro Fernandez (Massachusetts Institute of Technology), Dong Deng (Massachusetts Institute of Technology), Essam Mansour (HBKU), Abdulhakim A Qahtan (HBKU), Wenbo Tao (Massachusetts Institute of Technology), Ziawasch Abedjan (TU Berlin), Ahmed Elmagarmid (HBKU), Ihab F Ilyas (University of Waterloo), Samuel Madden (Massachusetts Institute of Technology), Mourad Ouzzani (HBKU), Michael Stonebraker (Massachusetts Institute of Technology), Nan Tang (HBKU)
- Querying and Exploring Polygamous Relationships in Urban Spatio-Temporal Data Sets
Yeuk-Yin Chan (New York University). Fernando Chirigati (New York University), Harish Doraiswamy (New York University) Cláudio T. Silva (New York University), Juliana Freire (New York University)
- Graph Data Mining with Arabesque
Eslam Hussein (Qatar Computing Research Institute - HBKU), Abdurrahman Ghanem (Qatar Computing Research Institute - HBKU), Vinicius Vitor dos Santos Dias (Universidade Federal de Minas Gerais), Carlos H. C. Teixeira (Universidade Federal de Minas Gerais), Ghadeer AbuOda (College of Science and Engineering - HBKU), Marco Serafini (Qatar Computing Research Institute - HBKU), Georgos Siganos (Qatar Computing Research Institute - HBKU), Gianmarco De Francisci Morales (Qatar Computing Research Institute - HBKU), Ashraf Aboulnaga (Qatar Computing Research Institute - HBKU), Mohammed Zaki (Rensselaer Polytechnic
Institute)
- Alpine: Efficient In-Situ Data Exploration in the Presence of Updates
Antonios Anagnostou (Aristotle University of Thessaloniki), Matthaios Olma (Ecole Polytechnique Federal Lausanne), Anastasia Ailamaki (Ecole Polytechnique Federal Lausanne)
SIGMOD/PODS Poster & Demo Session 2
Wednesday 16:00-18:00
Location: ⚓Stevens Salon D

Posters:
- All SIGMOD papers from Wednesday: Research Sessions 11-20
- All PODS papers from Research Sessions 1, 2, 5, 6
Demonstrations:
- The VADA Architecture for Cost-Effective Data Wrangling
Nikolaos Konstantinou (University of Manchester), Martin Koehler (University of Manchester), Edward Abel (University of Manchester), Cristina Civili (University of Edinburgh), Bernd Neumayr (University of Oxford), Emanuel Sallinger (University of Oxford), Alvaro A. A. Fernandes (University of Manchester), Georg Gottlob (University of Oxford), John A. Keane (University of Manchester), Leonid Libkin (University of Edinburgh), Norman Paton (University of Manchester)
- In-Browser Interactive SQL Analytics with Afterburner
Kareem El Gebaly (University of Waterloo), Jimmy Lin (University of Waterloo)
- OrpheusDB: A Lightweight Approach to Relational Dataset Versioning
Liqi Xu (University of Illinois Urbana-Champaign), Silu Huang (University of Illinois Urbana-Champaign), Sili Hui (University of Illinois Urbana-Champaign), Aaron J. Elmore (University of Chicago), Aditya Parameswaran (University of Illinois Urbana-Champaign)
- doppioDB: A Hardware Accelerated Database
David Sidler (ETH Zurich), Zsolt Istvan (ETH Zurich), Muhsen Owaida (ETH Zurich), Kaan Kara (ETH Zurich), Gustavo Alonso (ETH Zurich)
- DBridge: Translating Imperative Code to SQL
K. Venkatesh Emani (Indian Institute of Technology, Bombay), Tejas Deshpande (Indian Institute of Technology, Bombay & Microsoft IDC), Karthik Ramachandra (Indian Institute of Technology, Bombay & Microsoft Gray Systems Lab), S. Sudarshan (Indian Institute of Technology, Bombay)
- BEAS: Bounded Evaluation of SQL Queries
Yang Cao (University of Edinburgh & Beihang University), Wenfei Fan (University of Edinburgh & Beihang University), Yanghao Wang (University of Edinburgh), Tengfei Yuan (University of Edinburgh), Yanchao Li (Nanjing University of Science and Technology), Laura Yu Chen (Huawei America Research Center)
- Safe Visual Data Exploration
Zheguang Zhao (Brown University), Emanuel Zgraggen (Brown University), Lorenzo De Stefani (Brown University), Carsten Binnig (Brown University), Eli Upfal (Brown University), Tim Kraska (Brown University)
- Optimizing Data-Intensive Applications Automatically By Leveraging Parallel Data Processing Frameworks
Maaz Bin Safeer Ahmad (University of Washington), Alvin Cheung (University of Washington)
- DIAS: Differentially Private Interactive Algorithm Selection using Pythia
Ios Kotsogiannis (Duke University), Michael Hay (Colgate University), Ashwin Machanavajjhala (Duke University), Gerome Miklau (University of Massachusetts Amherst), Margaret Orr (Colgate University)
- Snorkel: Fast Training Set Generation for Information Extraction
Alexander J. Ratner (Stanford University), Stephen H. Bach (Stanford University), Henry R. Ehrenberg (Stanford University), Chris Ré (Stanford University)
- Synthesizing Extraction Rules from User Examples with SEER
Maeda F. Hanafi (New York University - Abu Dhabi), Azza Abouzied (New York University - Abu Dhabi), Laura Chiticariu (IBM Research - Almaden), Yunyao Li (IBM Research - Almaden)
- Scout: A GPU-Aware System for Interactive Spatio-temporal Data Visualization
Harshada Chavan (University of Minnesota), Mohamed F Mokbel (University of Minnesota)
- Graphflow: An Active Graph Database
Chathura Kankanamge (University of Waterloo), Siddhartha Sahu (University of Waterloo), Amine Mhedbhi (University of Waterloo), Jeremy Chen (University of Waterloo), Semih Salihoglu (University of Waterloo)
- Demonstration: MacroBase, A Fast Data Analysis Engine
Peter Bailis (Stanford University), Edward Gan (Stanford University), Kexin Rong (Stanford University), Sahaana Suri (Stanford University)
- Q*cert: A Platform for Implementing and Verifying Query Compilers
Joshua S. Auerbach (IBM Research), Martin Hirzel (IBM Research), Louis Mandel (IBM Research), Avraham Shinnar (IBM Research), Jérôme Siméon (IBM Research)
- A Demonstration of Interactive Analysis of Performance Measurements with Viska
Helga Gudmundsdottir (University of Washington), Babak Salimi (University of Washington), Magdalena Balazinska (University of Washington), Dan R. K. Ports (University of Washington), Dan Suciu (University of Washington)
SIGMOD Poster 3 & Best of Demo Session
Thursday 16:00-18:00
Location: ⚓Stevens Salon D
- All papers from Thursday: Research Sessions 21-30
- The Goal Behind the Action: Toward Goal-Aware Systems and Applications
Dimitra Papadimitriou, Georgia Koutrika, John Mylopoulos, Yannis Velegrakis (from TODS 2016)
- Best of Demo

TUTORIAL SESSIONS
Sunday 9:00-10:30, 11:00-12:30
Location: ♜Continental B
Guoliang Li, Yudian Zheng, Ju Fan, Jiannan Wang and Reynold Cheng
Tutorial 01 slides (35 MB).pdf
SIGMOD Tutorial 1 (Part 1), Sunday May 14, 9 AM (video)
SIGMOD Tutorial 1 (Part 2), Sunday May 14, 11 AM (video)
Sunday 09:00-10:30
Location: ♞Continental C
Sourav S Bhowmick, Byron Choi and Chengkai Li
Tutorial 02 slides (11MB).pdf
Sunday 11:00-12:30
Location: ♞Continental C
Davide Mottin and Emmanuel Müller
Tutorial 03 slides (16MB).pptx
SIGMOD Tutorial 3, Sunday May 14, 11 AM (video)
Sunday 14:00–15:30, 16:00–18:00
Location: ♜Continental B
Ashwin Machanavajjhala, Xi He and Michael Hay
Tutorial 04 slides 1/2 (21MB).pdf
Tutorial 04 slides 2/2 (25MB).pdf
SIGMOD Tutorial 4 (Part 1), Sunday May 14, 2 PM (video)
SIGMOD Tutorial 4 (Part 2), Sunday May 14, 4 PM (video)
Sunday 14:00-15:30
Location: ♞Continental C
Joy Arulraj and Andrew Pavlo
Tutorial 05 slides (2MB).pdf
SIGMOD Tutorial 5, Sunday May 14, 2 PM (video)
Sunday 16:00-18:00
Location: ♞Continental C
Ismail Oukid and Wolfgang Lehner
Tutorial 06 slides (7MB).pdf
Friday 9:00-10:30
Location: ✵Stevens Salon C-5
Xiang Ren, Meng Jiang, Jingbo Shang and Jiawei Han
Tutorial 07 web page
SIGMOD Tutorial 7, Friday, May 19, 9 AM (video)
Friday 11:00-12:30
Location: ✵Stevens Salon C-5
Ziawasch Abedjan, Lukasz Golab and Felix Nauman
Tutorial 08 slides (12MB).pdf
Friday 9:00-10:30
Location: ✵Stevens Salon C-6
Arun Kumar, Matthias Boehm and Jun Yang
Tutorial 09 slides (5MB).pdf
SIGMOD Tutorial 9, Friday, May 19, 9 AM (video)
Friday 11:00-12:30
Location: ✵Stevens Salon C-6
Neoklis Polyzotis, Sudip Roy, Steven Whang and Martin Zinkevich
Friday 14:00 – 15:30, 16:00 – 18:00
Location: ✵Stevens Salon C-5
Yunyao Li and Davood Rafiei
SIGMOD Tutorial 11 (Part 1), Friday, May 19, 2 PM (video)
SIGMOD Tutorial 11 (Part 2), Friday, May 19, 4 PM (video)
Friday 14:00-15:30
Location: ✵Stevens Salon C-6
Fatma Ozcan, Yuanyuan Tian and Pinar Tozun
SIGMOD Tutorial 12, Friday, May 19, 2 PM (video)
Friday 16:00-18:00
Location: ✵Stevens Salon C-6
Ahmed Mahmood and Walid Aref
Tutorial 13 slides (17MB).pptx
SIGMOD Tutorial 13, Friday, May 19, 4 PM (video)
AWARD Talks
Lunch with Award Announcements
Tuesday 12:15-14:00
Location: International North
Session Chair: Donald Kossman
- Programming Contest Award
- Distinguished PC members
- Reproducibility Awards
- SIGMOD Best Paper Award
- PODS Best Student Paper
- PODS Best Paper Award
- PODS Test of Time Award
- Research Highlights
SIGMOD Awards Talks
Thursday 8:15-9:50
Location: International North
Session Chair: Donald Kossman
- Best Demonstration Award Announcement
- Jim Gray Doctoral Dissertation Award and Talk
- System Award and Talk
- Contributions Award Announcement
- Test-of-Time Award and Talk
- Edgar F. Codd Innovations Award and Talk
Career in Industry Panel
Wednesday 16:00-18:00
Location: ♜Continental B
Session Chair: Badrish Chandramouli
- Donald Kossmann (Microsoft)
- C. Mohan (IBM)
- Sailesh Krishnamurthy (Amazon)
- John Cieslewicz (Google)
- Shasank Chavan (Oracle)
- Jianjun Chen (Huawei)
- Mostafa Mokhtar (Cloudera)
SIGMOD Business Lunch
Wednesday 12:15-14:00
Location: International North
- Student Research Competition Winners
- SIGMOD Chair's Report
- SIGMOD Vice Chair's Report
- SIGMOD Secretary/Treasurer's Report
- SIGMOD PC Chair's Report
- Advertisement for SIGMOD 2018
New Researcher Symposium
Tuesday 18:15-20:15
Location: ♜Continental B
Details
Student Research Competition
Tuesday 18:15-20:15
Location: ♞Continental C