Issue 6 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 February 2021: - Errata for "Cerebro: A Data System for Optimized Deep Learning Model Selection" Supun Nakandala, Yuhao Zhang, Arun Kumar http://www.vldb.org/pvldb/vol14/p863-nakandala.pdf - ParaX: Boosting Deep Learning for Big Data Analytics on Many-Core CPUs Lujia Yin, Yiming Zhang, Zhaoning Zhang, Yuxing Peng, Peng Zhao http://www.vldb.org/pvldb/vol14/p864-zhang.pdf - Optimization of Threshold Functions over Streams Walter Cai, Philip Bernstein, Wentao Wu, Badrish Chandramouli http://www.vldb.org/pvldb/vol14/p878-cai.pdf - Budget Constrained Interactive Search for Multiple Targets Xuliang Zhu, Xin Huang, Byron Choi, Jiaxin Jiang, Zhaonian Zou, Jianliang Xu http://www.vldb.org/pvldb/vol14/p890-huang.pdf - On the String Matching with k Differences in DNA Databases Yangjun Chen, Hoang Hai Nguyen http://www.vldb.org/pvldb/vol14/p903-chen.pdf - Fast Algorithm for Anchor Graph Hashing Yasuhiro Fujiwara, Sekitoshi Kanai, Yasutoshi Ida, Atsutoshi Kumagai, Naonori Ueda http://www.vldb.org/pvldb/vol14/p916-fujiwara.pdf - Adaptive Code Generation for Data-Intensive Analytics Wangda Zhang, Junyoung Kim, Kenneth Ross, Eric Sedlar, Lukas Stadler http://www.vldb.org/pvldb/vol14/p929-zhang.pdf - Materializing Knowledge Bases via Trigger Graphs Efthymia Tsamoura, David Carral, Enrico Malizia, Jacopo Urbani http://www.vldb.org/pvldb/vol14/p943-tsamoura.pdf - Dealer: An End-to-End Model Marketplace with Differential Privacy Jinfei Liu, Jian Lou, Junxu Liu, Li Xiong, Jian Pei, Jimeng Sun http://www.vldb.org/pvldb/vol14/p957-liu.pdf - NOAH: Interactive Spreadsheet Exploration with Dynamic Hierarchical Overviews Sajjadur Rahman, Mangesh Bendre, Yuyang Liu, Shichu Zhu, Zhaoyuan Su, Karrie Karahalios, Aditya Parameswaran http://www.vldb.org/pvldb/vol14/p970-rahman.pdf - Efficient Bi-triangle Counting for Large Bipartite Networks Yixing Yang, Yixiang Fang, Maria Orlowska, Wenjie Zhang, Xuemin Lin http://www.vldb.org/pvldb/vol14/p984-yang.pdf - Glean: Structured Extractions from Templatic Documents Sandeep Tata, Navneet Potti, James Wendt, Lauro Beltrão Costa, Marc Najork, Beliz Gunel http://www.vldb.org/pvldb/vol14/p997-tata.pdf - ICS-GNN: Lightweight Interactive Community Search via Graph Neural Network Jun Gao, Jiazun Chen, Zhao Li, Ji Zhang http://www.vldb.org/pvldb/vol14/p1006-gao.pdf - Building Enclave-Native Storage Engines for Practical Encrypted Databases Yuanyuan Sun, Sheng Wang, Huorong Li, Feifei Li http://www.vldb.org/pvldb/vol14/p1019-sun.pdf - From Natural Language Processing to Neural Databases James Thorne, Majid Yazdani, Marzieh Saeidi, Fabrizio Silvestri, Sebastian Riedel, Alon Halevy http://www.vldb.org/pvldb/vol14/p1033-thorne.pdf - Randomized Error Removal for Online Spread Estimation in Data Streaming Haibo Wang, Chaoyi Ma, Olufemi O Odegbile, Shigang Chen, Jih-kwon Peir http://www.vldb.org/pvldb/vol14/p1040-wang.pdf - Teseo and the Analysis of Structural Dynamic Graphs Dean De Leo, Peter Boncz http://www.vldb.org/pvldb/vol14/p1053-leo.pdf - Charting the Design Space of Query Execution using VOILA Tim Gubner, Peter Boncz http://www.vldb.org/pvldb/vol14/p1067-gubner.pdf - Heracles: An Efficient Storage Model And Data Flushing For Performance Monitoring Timeseries Zhiqi Wang, Jin Xue, Zili Shao http://www.vldb.org/pvldb/vol14/p1080-wang.pdf - Fine-Grained Lineage for Safer Notebook Interactions Stephen Macke, Aditya Parameswaran, Hongpu Gong, Doris Lee, Doris Xin, Andrew Head http://www.vldb.org/pvldb/vol14/p1093-macke.pdf - FREDE: Anytime Graph Embeddings Anton Tsitsulin, Marina Munkhoeva, Davide Mottin, Panagiotis Karras, Ivan Oseledets, Emmanuel Müller http://www.vldb.org/pvldb/vol14/p1102-mottin.pdf - On Analyzing Graphs with Motif-Paths Xiaodong Li, Reynold Cheng, Kevin Chen-chuan Chang, Caihua Shan, Chenhao Ma, Hongtai Cao http://www.vldb.org/pvldb/vol14/p1111-li.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