Issue 5 of Volume 14 of the Proceedings of the VLDB Endowment (PVLDB) is now available electronically at the VLDB website:

   http://www.vldb.org/pvldb/vol14.html

This issue consists of the following papers that have been accepted for the research track of VLDB 2021 in Copenhagen, Denmark in January 2021:

- FlashP: An Analytical Pipeline for Real-time Forecasting of Time-Series Relational Data
Yan Shuyuan, Bolin Ding, Wei Guo, Jingren Zhou, Zhewei Wei, Xiaowei Jiang, Sheng Xu
http://www.vldb.org/pvldb/vol14/p721-ding.pdf

- Efficient Streaming Subgraph Isomorphism with Graph Neural Networks
Chi Thang Duong, Dung Hoang, Hongzhi Yin, Matthias Weidlich, Quoc Viet Hung Nguyen, Karl Aberer
http://www.vldb.org/pvldb/vol14/p730-duong.pdf

- Epoch-based Commit and Replication in Distributed OLTP Databases
Yi Lu, Xiangyao Yu, Lei Cao, Samuel Madden
http://www.vldb.org/pvldb/vol14/p743-lu.pdf

- Hierarchical Core Maintenance on Large Dynamic Graphs
Zhe Lin, Fan Zhang, Xuemin Lin, Wenjie Zhang, Zhihong Tian
http://www.vldb.org/pvldb/vol14/p757-zhang.pdf

- Analyzing and Mitigating Data Stalls in DNN Training
Jayashree Mohan, Amar Phanishayee, Ashish Raniwala, Vijay Chidambaram
http://www.vldb.org/pvldb/vol14/p771-mohan.pdf

- Persistent Memory Hash Indexes: An Experimental Evaluation
Daokun Hu, Zhiwen Chen, Jianbing Wu, Jianhua Sun, Hao Chen
http://www.vldb.org/pvldb/vol14/p785-chen.pdf

- Optimizing An In-memory Database System For AI-powered On-line Decision Augmentation Using Persistent Memory
Cheng Chen, Jun Yang, Mian Lu, Taize Wang, Zhao Zheng, Yuqiang Chen, Wenyuan Dai, Bingsheng He, Weng-fai Wong, Guoan Wu, Yuping Zhao, Andy Rudoff
http://www.vldb.org/pvldb/vol14/p799-chen.pdf

- DBTagger: Multi-Task Learning for Keyword Mapping in NLIDBs Using Bi-Directional Recurrent Neural Networks
Arif Usta, Akifhan Karakayalı, Özgür Ulusoy
http://www.vldb.org/pvldb/vol14/p813-usta.pdf

- Improving Information Extraction from Visually Rich Documents using Visual Span Representations
Ritesh Sarkhel, Arnab Nandi
http://www.vldb.org/pvldb/vol14/p822-sarkhel.pdf

- Zen: a High-Throughput Log-Free OLTP Engine for Non-Volatile Main Memory
Gang Liu, Leying Chen, Shimin Chen
http://www.vldb.org/pvldb/vol14/p835-liu.pdf

- Differentially Private Binary- and Matrix-Valued Data Query: An XOR Mechanism
Tianxi Ji, Pan Li, Emre Yilmaz, Erman Ayday, Yanfang Ye, Jinyuan Sun
http://www.vldb.org/pvldb/vol14/p849-ji.pdf


Best regards,

Thorsten Papenbrock, Hasso-Plattner-Institut University of Potsdam, Germany
Hannes Mühleisen, Centrum Wiskunde & Informatica, The Netherlands
Proceedings Chairs, PVLDB Volume 14, 2021