25.Lightweight Authentication of Linear Algebraic Queries on Data Streams.pdf 26.Fine-Grained Disclosure Control for App Ecosystems.pdf 27.Calibrating Trajectory Data for Similarity-based Analysis.pdf 28.Mind the Gap Large-Scale Frequent Sequence Mining.pdf 29.Quantiles over Data Streams An Experimental Study.pdf 30.TOUCH In-Memory Spatial Join by Hierarchical Data-Oriented Partitioning.pdf