The tenth issue of the seventh volume of the Proceedings of the VLDB Endowment (PVLDB) is now available electronically at the VLDB web site: http://www.vldb.org/pvldb/vol7.html This issue consists of the following 15 papers that have been accepted for the Research (including Experiments and Analysis, Innovative Systems, Vision) Track of VLDB 2014 in Hangzhou, China in September 2014: 1. Reverse k-Ranks Query Zhao Zhang, Cheqing Jin, Qiangqiang Kang http://www.vldb.org/pvldb/vol7/p785-zhang.pdf 2. M4: A Visualization-Oriented Time Series Data Aggregation Uwe Jugel, Zbigniew Jerzak, Volker Markl http://www.vldb.org/pvldb/vol7/p797-jugel.pdf 3. Continuous Matrix Approximation on Distributed Data Mina Ghashami, Jeff M. Phillips, Feifei Li http://www.vldb.org/pvldb/vol7/p809-ghashami.pdf 4. An Evaluation of the Advantages and Disadvantages of Deterministic Database Systems Kun Ren, Alexander Thomson, Daniel J. Abadi http://www.vldb.org/pvldb/vol7/p821-ren.pdf 5. Efficient In-memory Data Management: An Analysis Hao Zhang, Bogdan Marius Tudor, Gang Chen, Beng Chin Ooi http://www.vldb.org/pvldb/vol7/p833-zhang.pdf 6. Workload Matters: Why RDF Databases Need a New Design Gunes Aluc, M. Tamer Ozsu, Khuzaima Daudjee http://www.vldb.org/pvldb/vol7/p837-aluc.pdf 7. Storage Management in AsterixDB Sattam Alsubaiee, Alexander Behm, Vinayak Borkar, Zachary Heilbron, Young-Seok Kim http://www.vldb.org/pvldb/vol7/p841-alsubaiee.pdf 8. Building Efficient Query Engines in a High-Level Language Yannis Klonatos, Christoph Koch, Tiark Rompf, Hassan Chafi http://www.vldb.org/pvldb/vol7/p853-klonatos.pdf 9. Scalable Logging through Emerging Non-Volatile Memory Tianzheng Wang, Ryan Johnson http://www.vldb.org/pvldb/vol7/p865-wang.pdf 10. When Data Management Systems Meet Approximate Hardware: Challenges and Opportunities Bingsheng He http://www.vldb.org/pvldb/vol7/p877-he.pdf 11. From Data Fusion to Knowledge Fusion Xin Luna Dong, Evgeniy Gabrilovich, Geremy Heitz, Wilko Horn, Kevin Murphy, Shaohua Sun, Wei Zhang http://www.vldb.org/pvldb/vol7/p881-dong.pdf 12. On k-Path Covers and their Applications Stefan Funke, Andre Nusser, Sabine Storandt http://www.vldb.org/pvldb/vol7/p893-funke.pdf 13. The Case for Data Visualization Management Systems Eugene Wu, Leilani Battle, Samuel R. Madden http://www.vldb.org/pvldb/vol7/p903-wu.pdf 14. WideTable: An Accelerator for Analytical Data Processing Yinan Li, Jignesh M. Patel http://www.vldb.org/pvldb/vol7/p907-li.pdf 15. A Framework for Protecting Worker Location Privacy in Spatial Crowdsourcing Hien To, Gabriel Ghinita, Cyrus Shahabi http://www.vldb.org/pvldb/vol7/p919-to.pdf In addition, the front matter contains a letter from the VLDB 2014 General Chair, Sharad Mehrotra. http://www.vldb.org/pvldb/vol7/FrontMatterVol7No10.pdf Li Xiong, Emory University Cong Yu, Google Research New York VLDB 2014 Proceedings Chairs