Topics of interest include, but are not limited to: Application-layer security policies Access control for applications Access control for databases Data-dissemination controls Data forensics Enforcement-layer security policies Privacy-preserving techniques Private information retrieval Search on protected/encrypted data Secure auditing Secure collaboration Secure data provenance Secure electronic commerce Secure information sharing Secure knowledge management Secure multiparty computations Secure software development Securing data/apps on untrusted platforms Securing the semantic web Security and privacy in GIS/spatial data Security and privacy in healthcare Security policies for databases Social computing security and privacy Social networking security and privacy Trust metrics for applications, data, and users Usable security and privacy Usage Control Web application security