Distributed Privacy-Preserving Collaborative Intrusion Detection Systems for VANETs http://dx.doi.org/10.1109/TSIPN.2018.2801622 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . T. Zhang and Q. Zhu 148 REGULAR PAPERS Adaptation, Detection, Estimation, and Learning Cooperative Localization in WSNs: A Hybrid Convex/Nonconvex Solution http://dx.doi.org/10.1109/TSIPN.2016.2639442 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . N. Piovesan and T. Erseghe 162 Imaging and Media Applications When to Make a Topic Popular Again? A Temporal Model for Topic Rehotting Prediction in Online Social Networks http://dx.doi.org/10.1109/TSIPN.2017.2670498 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C. Wang, X. Xin, and J. Shang 173 Adaptation, Detection, Estimation, and Learning Distributed Optimization Using the Primal-Dual Method of Multipliers http://dx.doi.org/10.1109/TSIPN.2017.2672403 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . G. Zhang and R. Heusdens Localization in Mobile Networks via Virtual Convex Hulls http://dx.doi.org/10.1109/TSIPN.2017.2673238 . . . . . . S. Safavi and U. A. Khan 188 202 EDICS-Editor's Information Classification Scheme http://dx.doi.org/10.1109/TSIPN.2018.2806802 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Information for Authors http://dx.doi.org/10.1109/TSIPN.2018.2806804 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 217 218 www.signalprocessingsociety.org [25] APRIL 2018http://dx.doi.org/10.1109/TSIPN.2018.2801622 http://dx.doi.org/10.1109/TSIPN.2016.2639442 http://dx.doi.org/10.1109/TSIPN.2017.2670498 http://dx.doi.org/10.1109/TSIPN.2017.2672403 http://dx.doi.org/10.1109/TSIPN.2017.2673238 http://dx.doi.org/10.1109/TSIPN.2018.2806802 http://dx.doi.org/10.1109/TSIPN.2018.2806804 http://www.signalprocessingsociety.org