Issue 3 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 November 2020: - Breaking Down Memory Walls: Adaptive Memory Management in LSM-based Storage Systems Chen Luo, Michael Carey http://www.vldb.org/pvldb/vol14/p241-luo.pdf - Nearest Neighbor Classifiers over Incomplete Information: From Certain Answers to Certain Predictions Bojan Karlaš, Peng Li, Renzhi Wu, Nezihe Merve Gürel, Xu Chu, Wentao Wu, Ce Zhang http://www.vldb.org/pvldb/vol14/p255-karlaš.pdf - Elle: Inferring Isolation Anomalies from Experimental Observations Peter Alvaro, Kyle Kingsbury http://www.vldb.org/pvldb/vol14/p268-alvaro.pdf - Scotch: Generating FPGA-Accelerators for Sketching at Line Rate Martin Kiefer, Ilias Poulakis, Sebastian Bress, Volker Markl http://www.vldb.org/pvldb/vol14/p281-kiefer.pdf - ORBITS: Online Recovery of Missing Values in Multiple Time Series Streams Mourad Khayati, Ines Arous, Zakhar Tymchenko, Philippe Cudre-Mauroux http://www.vldb.org/pvldb/vol14/p294-khayati.pdf - TURL: Table Understanding through Representation Learning Xiang Deng, Huan Sun, Alyssa Lees, You Wu, Cong Yu http://www.vldb.org/pvldb/vol14/p307-deng.pdf - EdgeDIPN: a Unified Deep Intent Prediction Network Deployed at the Edge Long Guo, Lifeng Hua, Rongfei Jia, Fei Fang, Binqiang Zhao, Bin Cui http://www.vldb.org/pvldb/vol14/p320-guo.pdf - LOCATER: Cleaning WiFi Connectivity Datasets for Semantic Localization Yiming Lin, Daokun Jiang, Roberto Yus, Georgios Bouloukakis, Andrew Chio, Sharad Mehrotra, Nalini Venkatasubramanian http://www.vldb.org/pvldb/vol14/p329-lin.pdf - Multi-Modal Transportation Recommendation with Unified Route Representation Learning Hao Liu, Jindong Han, Yanjie Fu, Jingbo Zhou, Xinjiang Lu, Hui Xiong http://www.vldb.org/pvldb/vol14/p342-liu.pdf - DISK: A Distributed Framework for Single-Source SimRank with Accuracy Guarantee Yue Wang, Ruiqi Xu, Zonghao Feng, Yulin Che, Lei Chen, Qiong Luo, Rui Mao http://www.vldb.org/pvldb/vol14/p351-wang.pdf - Toward a Better Understanding and Evaluation of Tree Structures on Flash SSDs Diego Didona, Nikolas Ioannou, Radu Stoica, Kornilios Kourtis http://www.vldb.org/pvldb/vol14/p364-didona.pdf - Answering Multi-Dimensional Range Queries under Local Differential Privacy Jianyu Yang, Tianhao Wang, Ninghui Li, Xiang Cheng, Sen Su http://www.vldb.org/pvldb/vol14/p378-yang.pdf - Ananke: A Streaming Framework for Live Forward Provenance Dimitris Palyvos-Giannas, Bastian Havers, Marina Papatriantafilou, Vincenzo Gulisano http://www.vldb.org/pvldb/vol14/p391-palyvos-giannas.pdf - RECEIPT: REfine CoarsE-grained IndePendent Tasks for Parallel Tip decomposition of Bipartite Graphs Kartik Lakhotia, Rajgopal Kannan, Viktor Prasanna, César De Rose http://www.vldb.org/pvldb/vol14/p404-lakhotia.pdf - Comprehensive and Efficient Workload Compression Shaleen Deep, Anja Gruenheid, Paraschos Koutris, Jeff Naughton, Stratis Viglas http://www.vldb.org/pvldb/vol14/p418-deep.pdf - CoroBase: Coroutine-Oriented Main-Memory Database Engine Yongjun He, Jiacheng Lu, Tianzheng Wang http://www.vldb.org/pvldb/vol14/p431-he.pdf - Scalable Querying of Nested Data Jaclyn Smith, Michael Benedikt, Milos Nikolic, Amir Shaikhha http://www.vldb.org/pvldb/vol14/p445-smith.pdf Best regards, Thorsten Papenbrock, HPI, Germany Hannes Muehleisen, CWI, The Netherlands VLDB 2021 Proceedings Chairs