2009 | ||
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107 | Valentina Ciriani, Sabrina De Capitani di Vimercati, Sara Foresti, Sushil Jajodia, Stefano Paraboschi, Pierangela Samarati: Enforcing Confidentiality Constraints on Sensitive Databases with Lightweight Trusted Clients. DBSec 2009: 225-239 | |
106 | Valentina Ciriani, Sabrina De Capitani di Vimercati, Sara Foresti, Sushil Jajodia, Stefano Paraboschi, Pierangela Samarati: Keep a Few: Outsourcing Data While Maintaining Confidentiality. ESORICS 2009: 440-455 | |
105 | Valentina Ciriani, Sabrina De Capitani di Vimercati, Sara Foresti, Sushil Jajodia, Stefano Paraboschi, Pierangela Samarati: Fragmentation Design for Efficient Query Execution over Sensitive Distributed Databases. ICDCS 2009: 32-39 | |
104 | Claudio Agostino Ardagna, Marco Cremonini, Sabrina De Capitani di Vimercati, Pierangela Samarati: Access Control in Location-Based Services. Privacy in Location-Based Applications 2009: 106-126 | |
103 | Carlo Blundo, Stelvio Cimato, Sabrina De Capitani di Vimercati, Alfredo De Santis, Sara Foresti, Stefano Paraboschi, Pierangela Samarati: Efficient Key Management for Enforcing Access Control in Outsourced Scenarios. SEC 2009: 364-375 | |
2008 | ||
102 | Sabrina De Capitani di Vimercati, Sara Foresti, Sushil Jajodia, Stefano Paraboschi, Pierangela Samarati: Assessing query privileges via safe and efficient permission composition. ACM Conference on Computer and Communications Security 2008: 311-322 | |
101 | Claudio Agostino Ardagna, Sabrina De Capitani di Vimercati, Tyrone Grandison, Sushil Jajodia, Pierangela Samarati: Regulating Exceptions in Healthcare Using Policy Spaces. DBSec 2008: 254-267 | |
100 | Sabrina De Capitani di Vimercati, Sara Foresti, Sushil Jajodia, Stefano Paraboschi, Pierangela Samarati: Controlled Information Sharing in Collaborative Distributed Query Processing. ICDCS 2008: 303-310 | |
99 | Sabrina De Capitani di Vimercati, Sara Foresti, Sushil Jajodia, Stefano Paraboschi, Gerardo Pelosi, Pierangela Samarati: Preserving confidentiality of security policies in data outsourcing. WPES 2008: 75-84 | |
98 | Sabrina De Capitani di Vimercati, Pierangela Samarati, Sushil Jajodia: Data Security. Wiley Encyclopedia of Computer Science and Engineering 2008 | |
97 | Rebecca N. Wright, Sabrina De Capitani di Vimercati: Guest Editorial: Special Issue on Computer and Communications Security. ACM Trans. Inf. Syst. Secur. 12(2): (2008) | |
96 | Claudio Agostino Ardagna, Marco Cremonini, Sabrina De Capitani di Vimercati, Pierangela Samarati: A privacy-aware access control system. Journal of Computer Security 16(4): 369-397 (2008) | |
2007 | ||
95 | Peng Ning, Sabrina De Capitani di Vimercati, Paul F. Syverson: Proceedings of the 2007 ACM Conference on Computer and Communications Security, CCS 2007, Alexandria, Virginia, USA, October 28-31, 2007 ACM 2007 | |
94 | Claudio Agostino Ardagna, Marco Cremonini, Ernesto Damiani, Sabrina De Capitani di Vimercati, Pierangela Samarati: Managing Privacy in LBAC Systems. AINA Workshops (2) 2007: 7-12 | |
93 | Sabrina De Capitani di Vimercati, Sushil Jajodia, Stefano Paraboschi, Pierangela Samarati: Trust management services in relational databases. ASIACCS 2007: 149-160 | |
92 | Sabrina De Capitani di Vimercati, Sara Foresti, Sushil Jajodia, Stefano Paraboschi, Pierangela Samarati: A data outsourcing architecture combining cryptography and access control. CSAW 2007: 63-69 | |
91 | Claudio Agostino Ardagna, Marco Cremonini, Ernesto Damiani, Sabrina De Capitani di Vimercati, Pierangela Samarati: Location Privacy Protection Through Obfuscation-Based Techniques. DBSec 2007: 47-60 | |
90 | Valentina Ciriani, Sabrina De Capitani di Vimercati, Sara Foresti, Sushil Jajodia, Stefano Paraboschi, Pierangela Samarati: Fragmentation and Encryption to Enforce Privacy in Data Storage. ESORICS 2007: 171-186 | |
89 | Sabrina De Capitani di Vimercati, Pierangela Samarati: Data Privacy - Problems and Solutions. ICISS 2007: 180-192 | |
88 | Claudio Agostino Ardagna, Marco Cremonini, Ernesto Damiani, Sabrina De Capitani di Vimercati, Pierangela Samarati: A Middleware Architecture for Integrating Privacy Preferences and Location Accuracy. SEC 2007: 313-324 | |
87 | Ernesto Damiani, Sabrina De Capitani di Vimercati, Sara Foresti, Sushil Jajodia, Stefano Paraboschi, Pierangela Samarati: An Experimental Evaluation of Multi-Key Strategies for Data Outsourcing. SEC 2007: 385-396 | |
86 | Sabrina De Capitani di Vimercati, Sara Foresti, Sushil Jajodia, Stefano Paraboschi, Pierangela Samarati: Over-encryption: Management of Access Control Evolution on Outsourced Data. VLDB 2007: 123-134 | |
85 | Sabrina De Capitani di Vimercati, Sara Foresti, Sushil Jajodia, Pierangela Samarati: Access Control Policies and Languages in Open Environments. Secure Data Management in Decentralized Systems 2007: 21-58 | |
84 | Valentina Ciriani, Sabrina De Capitani di Vimercati, Sara Foresti, Pierangela Samarati: Microdata Protection. Secure Data Management in Decentralized Systems 2007: 291-321 | |
83 | Valentina Ciriani, Sabrina De Capitani di Vimercati, Sara Foresti, Pierangela Samarati: k-Anonymity. Secure Data Management in Decentralized Systems 2007: 323-353 | |
82 | Ernesto Damiani, Sabrina De Capitani di Vimercati, Sara Foresti, Sushil Jajodia, Stefano Paraboschi, Pierangela Samarati: Selective Data Encryption in Outsourced Dynamic Environments. Electr. Notes Theor. Comput. Sci. 168: 127-142 (2007) | |
2006 | ||
81 | Ari Juels, Rebecca N. Wright, Sabrina De Capitani di Vimercati: Proceedings of the 13th ACM Conference on Computer and Communications Security, CCS 2006, Alexandria, VA, USA, Ioctober 30 - November 3, 2006 ACM 2006 | |
80 | Claudio Agostino Ardagna, Marco Cremonini, Ernesto Damiani, Sabrina De Capitani di Vimercati, Pierangela Samarati: Supporting location-based conditions in access control policies. ASIACCS 2006: 212-222 | |
79 | Claudio Agostino Ardagna, Sabrina De Capitani di Vimercati, Pierangela Samarati: Enhancing User Privacy Through Data Handling Policies. DBSec 2006: 224-236 | |
78 | Sabrina De Capitani di Vimercati, Pierangela Samarati: Privacy in the Electronic Society. ICISS 2006: 1-21 | |
77 | Ernesto Damiani, Sabrina De Capitani di Vimercati, Cristiano Fugazza, Pierangela Samarati: Extending Context Descriptions in Semantics-Aware Access Control. ICISS 2006: 162-176 | |
76 | Ernesto Damiani, Sabrina De Capitani di Vimercati, Cristiano Fugazza, Pierangela Samarati: Modality conflicts in semantics aware access control. ICWE 2006: 249-256 | |
75 | Claudio Agostino Ardagna, Ernesto Damiani, Sabrina De Capitani di Vimercati, Fulvio Frati, Pierangela Samarati: CAS++: An Open Source Single Sign-On Solution for Secure e-Services. SEC 2006: 208-220 | |
74 | Claudio Agostino Ardagna, Ernesto Damiani, Sabrina De Capitani di Vimercati, Pierangela Samarati: A Web Service Architecture for Enforcing Access Control Policies. Electr. Notes Theor. Comput. Sci. 142: 47-62 (2006) | |
73 | Ernesto Damiani, Sabrina De Capitani di Vimercati, Pierangela Samarati, Marco Viviani: A WOWA-based Aggregation Technique on Trust Values Connected to Metadata. Electr. Notes Theor. Comput. Sci. 157(3): 131-142 (2006) | |
72 | Roberto Aringhieri, Ernesto Damiani, Sabrina De Capitani di Vimercati, Stefano Paraboschi, Pierangela Samarati: Fuzzy techniques for trust and reputation management in anonymous peer-to-peer systems. JASIST 57(4): 528-537 (2006) | |
2005 | ||
71 | Vijay Atluri, Sabrina De Capitani di Vimercati, Roger Dingledine: Proceedings of the 2005 ACM Workshop on Privacy in the Electronic Society, WPES 2005, Alexandria, VA, USA, November 7, 2005 ACM 2005 | |
70 | Sabrina De Capitani di Vimercati, Paul F. Syverson, Dieter Gollmann: Computer Security - ESORICS 2005, 10th European Symposium on Research in Computer Security, Milan, Italy, September 12-14, 2005, Proceedings Springer 2005 | |
69 | Claudio Agostino Ardagna, Marco Cremonini, Ernesto Damiani, Sabrina De Capitani di Vimercati, Pierangela Samarati: The Architecture of a Privacy-Aware Access Control Decision Component. CASSIS 2005: 1-15 | |
68 | Claudio Agostino Ardagna, Ernesto Damiani, Sabrina De Capitani di Vimercati, Pierangela Samarati: Towards Privacy-Enhanced Authorization Policies and Languages. DBSec 2005: 16-27 | |
67 | Sabrina De Capitani di Vimercati, Pierangela Samarati, Sushil Jajodia: Policies, Models, and Languages for Access Control. DNIS 2005: 225-237 | |
66 | Paolo Ceravolo, Ernesto Damiani, Sabrina De Capitani di Vimercati, Cristiano Fugazza, Pierangela Samarati: Advanced Metadata for Privacy-Aware Representation of Credentials. ICDE Workshops 2005: 1199 | |
65 | Claudio Agostino Ardagna, Ernesto Damiani, Sabrina De Capitani di Vimercati, Cristiano Fugazza, Pierangela Samarati: Offline Expansion of XACML Policies Based on P3P Metadata. ICWE 2005: 363-374 | |
64 | Ernesto Damiani, S. David, Sabrina De Capitani di Vimercati, Cristiano Fugazza, Pierangela Samarati: Open WorldReasoning inSemantics-Aware AccessControl: aPreliminaryStudy. SWAP 2005 | |
63 | Sabrina De Capitani di Vimercati, Stefania Marrara, Pierangela Samarati: An access control model for querying XML data. SWS 2005: 36-42 | |
62 | Ernesto Damiani, Sabrina De Capitani di Vimercati, Sara Foresti, Sushil Jajodia, Stefano Paraboschi, Pierangela Samarati: Metadata Management in Outsourced Encrypted Databases. Secure Data Management 2005: 16-32 | |
61 | Ernesto Damiani, Sabrina De Capitani di Vimercati, Sara Foresti, Sushil Jajodia, Stefano Paraboschi, Pierangela Samarati: Key management for multi-user encrypted databases. StorageSS 2005: 74-83 | |
60 | Alberto Ceselli, Ernesto Damiani, Sabrina De Capitani di Vimercati, Sushil Jajodia, Stefano Paraboschi, Pierangela Samarati: Modeling and assessing inference exposure in encrypted databases. ACM Trans. Inf. Syst. Secur. 8(1): 119-152 (2005) | |
2004 | ||
59 | Vijay Atluri, Paul F. Syverson, Sabrina De Capitani di Vimercati: Proceedings of the 2004 ACM Workshop on Privacy in the Electronic Society, WPES 2004, Washington, DC, USA, October 28, 2004 ACM 2004 | |
58 | Sabrina De Capitani di Vimercati, Indrakshi Ray, Indrajit Ray: Data and Applications Security XVII: Status and Prospects, IFIP TC-11 WG 11.3 Seventeenth Annual Working Conference on Data and Application Security, August4-6, 2003, Estes Park, Colorado, USA Kluwer 2004 | |
57 | Ernesto Damiani, Sabrina De Capitani di Vimercati: Invited Talk - Towards Semantics-Aware Access Control. DBSec 2004: 177-188 | |
56 | Shalendra Chhabra, Ernesto Damiani, Sabrina De Capitani di Vimercati, Stefano Paraboschi, Pierangela Samarati: A Protocol for Reputation Management in Super-Peer Networks. DEXA Workshops 2004: 979-983 | |
55 | Ernesto Damiani, Sabrina De Capitani di Vimercati, Cristiano Fugazza, Pierangela Samarati: Extending Policy Languages to the Semantic Web. ICWE 2004: 330-343 | |
54 | Ernesto Damiani, Sabrina De Capitani di Vimercati, Stefano Paraboschi, Pierangela Samarati: An Open Digest-based Technique for Spam Detection. ISCA PDCS 2004: 559-564 | |
53 | Ernesto Damiani, Sabrina De Capitani di Vimercati, Stefano Paraboschi, Pierangela Samarati: P2P-Based Collaborative Spam Detection and Filtering. Peer-to-Peer Computing 2004: 176-183 | |
52 | Ernesto Damiani, Sabrina De Capitani di Vimercati, Stefano Paraboschi, Pierangela Samarati, Andrea Tironi, Luca Zaniboni: Spam attacks: p2p to the rescue. WWW (Alternate Track Papers & Posters) 2004: 358-359 | |
51 | Claudio Agostino Ardagna, Sabrina De Capitani di Vimercati: A comparison of modeling strategies in defining XML-based access control languages. Comput. Syst. Sci. Eng. 19(3): (2004) | |
2003 | ||
50 | Dimitris Gritzalis, Sabrina De Capitani di Vimercati, Pierangela Samarati, Sokratis K. Katsikas: Security and Privacy in the Age of Uncertainty, IFIP TC11 18th International Conference on Information Security (SEC2003), May 26-28, 2003, Athens, Greece Kluwer 2003 | |
49 | Ernesto Damiani, Sabrina De Capitani di Vimercati, Sushil Jajodia, Stefano Paraboschi, Pierangela Samarati: Balancing confidentiality and efficiency in untrusted relational DBMSs. ACM Conference on Computer and Communications Security 2003: 93-102 | |
48 | Ernesto Damiani, Sabrina De Capitani di Vimercati, Stefano Paraboschi, Marco Pesenti, Pierangela Samarati, Sergio Zara: Fuzzy logic techniques for reputation management in anonymous peer-to-peer systems. EUSFLAT Conf. 2003: 43-48 | |
47 | Ernesto Damiani, Sabrina De Capitani di Vimercati, Mario Finetti, Stefano Paraboschi, Pierangela Samarati, Sushil Jajodia: Implementation of a Storage Mechanism for Untrusted DBMSs. IEEE Security in Storage Workshop 2003: 38-46 | |
46 | Eduardo Fernández-Medina, G. Ruiz, Sabrina De Capitani di Vimercati: Implementing an Access Control System for SVG Documents. OTM Workshops 2003: 741-753 | |
45 | Ernesto Damiani, Sabrina De Capitani di Vimercati: Securing XML-based Multimedia Content. SEC 2003: 61-72 | |
44 | Piero A. Bonatti, Sabrina De Capitani di Vimercati, Pierangela Samarati: Towards Flexible Credential Negotiation Protocols. Security Protocols Workshop 2003: 19-23 | |
43 | Marco Cremonini, Sabrina De Capitani di Vimercati, Ernesto Damiani, Pierangela Samarati: An XML-based approach to combine firewalls and web services security specifications. XML Security 2003: 69-78 | |
42 | Ernesto Damiani, Sabrina De Capitani di Vimercati, Pierangela Samarati: Managing Multiple and Dependable Identities. IEEE Internet Computing 7(6): 29-37 (2003) | |
41 | Ernesto Damiani, Sabrina De Capitani di Vimercati, Stefano Paraboschi, Pierangela Samarati: Managing and Sharing Servents' Reputations in P2P Systems. IEEE Trans. Knowl. Data Eng. 15(4): 840-854 (2003) | |
40 | Sabrina De Capitani di Vimercati, Stefano Paraboschi, Pierangela Samarati: Access control: principles and solutions. Softw., Pract. Exper. 33(5): 397-421 (2003) | |
2002 | ||
39 | Ernesto Damiani, Sabrina De Capitani di Vimercati, Stefano Paraboschi, Pierangela Samarati, Fabio Violante: A reputation-based approach for choosing reliable resources in peer-to-peer networks. ACM Conference on Computer and Communications Security 2002: 207-216 | |
38 | Ernesto Damiani, Sabrina De Capitani di Vimercati, Eduardo Fernández-Medina, Pierangela Samarati: Access Control of SVG Documents. DBSec 2002: 219-230 | |
37 | Silvana Castano, Valeria De Antonellis, Sabrina De Capitani di Vimercati, Michele Melchiori: Semi-Automated Extraction of Ontological Knowledge from XML Datasources. DEXA Workshops 2002: 852-860 | |
36 | Fabrizio Cornelli, Ernesto Damiani, Sabrina De Capitani di Vimercati, Stefano Paraboschi, Pierangela Samarati: Implementing a Reputation-Aware Gnutella Servent. NETWORKING Workshops 2002: 321-334 | |
35 | Sabrina De Capitani di Vimercati: An authorization model for temporal XML documents. SAC 2002: 1088-1093 | |
34 | Fabrizio Cornelli, Ernesto Damiani, Sabrina De Capitani di Vimercati, Stefano Paraboschi, Pierangela Samarati: Choosing reputable servents in a P2P network. WWW 2002: 376-386 | |
33 | Ernesto Damiani, Sabrina De Capitani di Vimercati, Pierangela Samarati: Towards securing XML Web services. XML Security 2002: 90-96 | |
32 | Piero A. Bonatti, Sabrina De Capitani di Vimercati, Pierangela Samarati: An algebra for composing access control policies. ACM Trans. Inf. Syst. Secur. 5(1): 1-35 (2002) | |
31 | Ernesto Damiani, Sabrina De Capitani di Vimercati, Stefano Paraboschi, Pierangela Samarati: A fine-grained access control system for XML documents. ACM Trans. Inf. Syst. Secur. 5(2): 169-202 (2002) | |
30 | Ernesto Damiani, Pierangela Samarati, Sabrina De Capitani di Vimercati, Stefano Paraboschi: XML access control systems: a component-based approach. Informatica (Slovenia) 26(2): (2002) | |
29 | Ernesto Damiani, Sabrina De Capitani di Vimercati, Stefano Paraboschi, Pierangela Samarati: Securing SOAP e-services. Int. J. Inf. Sec. 1(2): 100-115 (2002) | |
28 | Steven Dawson, Sabrina De Capitani di Vimercati, Patrick Lincoln, Pierangela Samarati: Maximizing Sharing of Protected Information. J. Comput. Syst. Sci. 64(3): 496-541 (2002) | |
2001 | ||
27 | Piero A. Bonatti, Ernesto Damiani, Sabrina De Capitani di Vimercati, Pierangela Samarati: A Component-Based Architecture for Secure Data Publication. ACSAC 2001: 309-318 | |
26 | Silvana Castano, Valeria De Antonellis, Sabrina De Capitani di Vimercati, Michele Melchiori: Designing a Three-Layer Ontology in a Web-based Interconnection Scenario. DEXA Workshop 2001: 21-26 | |
25 | Silvana Castano, Valeria De Antonellis, Sabrina De Capitani di Vimercati: An XML-based Interorganizational Knowledge Mediation Scheme to Support B2B Solution. DS-9 2001: 121-135 | |
24 | Silvana Castano, Valeria De Antonellis, Sabrina De Capitani di Vimercati: An Interorganizational Knowledge Mediation Scheme for Information Sources over the Web. SEBD 2001: 273-280 | |
23 | Piero A. Bonatti, Ernesto Damiani, Sabrina De Capitani di Vimercati, Pierangela Samarati: An Access Control Model for Data Archives. SEC 2001: 261-276 | |
22 | Ernesto Damiani, Sabrina De Capitani di Vimercati, Stefano Paraboschi, Pierangela Samarati: Fine grained access control for SOAP E-services. WWW 2001: 504-513 | |
21 | Ernesto Damiani, Pierangela Samarati, Sabrina De Capitani di Vimercati, Stefano Paraboschi: Controlling Access to XML Documents. IEEE Internet Computing 5(6): 18-28 (2001) | |
20 | Silvana Castano, Valeria De Antonellis, Sabrina De Capitani di Vimercati: Global Viewing of Heterogeneous Data Sources. IEEE Trans. Knowl. Data Eng. 13(2): 277-297 (2001) | |
19 | Silvana Castano, Valeria De Antonellis, Sabrina De Capitani di Vimercati, Michele Melchiori: An XML-based Integration Scheme for Web Data Sources. Ingénierie des Systèmes d'Information 6(1): 99-122 (2001) | |
18 | Sabrina De Capitani di Vimercati, Patrick Lincoln, Livio Ricciulli, Pierangela Samarati: Global Infrastructure Protection System. Journal of Computer Security 9(4): 251-284 (2001) | |
2000 | ||
17 | Piero A. Bonatti, Sabrina De Capitani di Vimercati, Pierangela Samarati: A modular approach to composing access control policies. ACM Conference on Computer and Communications Security 2000: 164-173 | |
16 | Ernesto Damiani, Sabrina De Capitani di Vimercati, Stefano Paraboschi, Pierangela Samarati: XML Access Control Systems: A Component-Based Approach. DBSec 2000: 39-50 | |
15 | Ernesto Damiani, Sabrina De Capitani di Vimercati, Stefano Paraboschi, Pierangela Samarati: Securing XML Documents. EDBT 2000: 121-135 | |
14 | Pierangela Samarati, Sabrina De Capitani di Vimercati: Access Control: Policies, Models, and Mechanisms. FOSAD 2000: 137-196 | |
13 | Silvana Castano, Valeria De Antonellis, Sabrina De Capitani di Vimercati, Michele Melchiori: A uniform framework for Web data modeling and integration. SEBD 2000: 153-166 | |
12 | Steven Dawson, Sabrina De Capitani di Vimercati, Patrick Lincoln, Pierangela Samarati: Classifying Information for External Release. SEC 2000: 151-160 | |
11 | Ernesto Damiani, Sabrina De Capitani di Vimercati, Stefano Paraboschi, Pierangela Samarati: Regulating Access To Semistructured Information on the Web. SEC 2000: 351-360 | |
10 | Ernesto Damiani, Sabrina De Capitani di Vimercati, Stefano Paraboschi, Pierangela Samarati: Design and implementation of an access control processor for XML documents. Computer Networks 33(1-6): 59-75 (2000) | |
1999 | ||
9 | Steven Dawson, Sabrina De Capitani di Vimercati, Pierangela Samarati: Specification and Enforcement of Classification and Inference Constraints. IEEE Symposium on Security and Privacy 1999: 181-195 | |
8 | Sabrina De Capitani di Vimercati, Patrick Lincoln, Livio Ricciulli, Pierangela Samarati: PGRIP: PNNI Global Routing Infrastructure Protection. NDSS 1999 | |
7 | Steven Dawson, Sabrina De Capitani di Vimercati, Patrick Lincoln, Pierangela Samarati: Minimal Data Upgrading to Prevent Inference and Association. PODS 1999: 114-125 | |
1998 | ||
6 | Sonia Bergamaschi, Silvana Castano, Sabrina De Capitani di Vimercati, S. Montanari, Maurizio Vincini: Exploiting Schema Knowledge for the Integration of Heterogeneous Sorces. SEBD 1998: 103-120 | |
5 | Silvana Castano, Valeria De Antonellis, Sabrina De Capitani di Vimercati, Michele Melchiori: Information Integration on Multiple Heterogeneous Data Sources. SEBD 1998: 155-170 | |
4 | Elisa Bertino, Sabrina De Capitani di Vimercati, Elena Ferrari, Pierangela Samarati: Exception-Based Information Flow Control in Object-Oriented Systems. ACM Trans. Inf. Syst. Secur. 1(1): 26-65 (1998) | |
1997 | ||
3 | Sabrina De Capitani di Vimercati, Pierangela Samarati: Authorization Specification and Enforcement in Federated Database Systems. Journal of Computer Security 5(2): 155-188 (1997) | |
2 | Silvana Castano, Sabrina De Capitani di Vimercati, Maria Grazia Fugini: Automated Derivation of Global Authorizations for Database Federations. Journal of Computer Security 5(4): 271-302 (1997) | |
1996 | ||
1 | Sabrina De Capitani di Vimercati, Pierangela Samarati: An Authorization Model for Federated Systems. ESORICS 1996: 99-117 |