6 papers:
CASE-2007-Frenger #ubiquitous- GRANNIE 2: A Ubiquitous, Protean Robotic Guardian Angel (PF), pp. 857–862.
DATE-2007-WagnerB #semantics #trust- Engineering trust with semantic guardians (IW, VB), pp. 743–748.
ICEIS-v4-2003-McPhersonHHK #architecture #security #web #web service #xml- Guardian Knowledge Farm Agents and Security Architectures: Web Services, XML, and Wireless Mappings (MM, GH, BH, GK), pp. 244–253.
TOOLS-USA-2000-MaleyS #question- But Who Will Guard the Guardians? (DM, ITAS), pp. 227–238.
PLDI-1993-DybvigBE #garbage collection- Guardians in a Generation-Based Garbage Collector (RKD, CB, DE), pp. 207–216.
POPL-1982-LiskovS #distributed #robust #source code- Guardians and Actions: Linguistic Support for Robust, Distributed Programs (BL, RS), pp. 7–19.