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| 2009
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1
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Continuous probabilistic nearest-neighbor queries for uncertain trajectories
Goce Trajcevski, Roberto Tamassia, Hui Ding, Peter Scheuermann, Isabel F. Cruz
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March 2009
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EDBT '09: Proceedings of the 12th International Conference on Extending Database Technology: Advances in Database Technology
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Publisher: ACM
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Full text available: |
 Pdf
(1.14 MB)
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| Bibliometrics: Downloads (6 Weeks): 7, Downloads (12 Months): 82, Citation Count: 0 |
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This work addresses the problem of processing continuous nearest neighbor (NN) queries for moving objects trajectories when the exact position of a given object at a particular time instant is not known, but is bounded by an uncertainty region. ...
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2
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Graph Drawing for Security Visualization
Roberto Tamassia, Bernardo Palazzi, Charalampos Papamanthou
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February 2009
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Graph Drawing
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Publisher: Springer-Verlag
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| Bibliometrics: Downloads (6 Weeks): n/a, Downloads (12 Months): n/a, Citation Count: 0 |
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With the number of devices connected to the internet growing rapidly and software systems being increasingly deployed on the web, security and privacy have become crucial properties for networks and applications. Due the complexity and subtlety of cryptographic ...
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3
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Compact and Anonymous Role-Based Authorization Chain
Danfeng Yao, Roberto Tamassia
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January 2009
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Transactions on Information and System Security (TISSEC)
, Volume 12 Issue 3
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Publisher: ACM
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Full text available: |
Pdf
(210.02 KB)
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| Bibliometrics: Downloads (6 Weeks): 36, Downloads (12 Months): 338, Citation Count: 0 |
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We introduce a decentralized delegation model called anonymous role-based cascaded delegation. In this model, a delegator can issue authorizations on behalf of her role without revealing her identity. This type of delegation protects the sensitive membership ...
Keywords: Delegation, aggregate signature, anonymity
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| 2008
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4
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Data Structures and Algorithms in Java, 5th edition
Michael T. Goodrich, Roberto Tamassia
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December 2008
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Data Structures and Algorithms in Java, 5th edition
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Publisher: Wiley Publishing
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| Bibliometrics: Downloads (6 Weeks): n/a, Downloads (12 Months): n/a, Citation Count: 1 |
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* This newest edition examines fundamental data structures by following a consistent object-oriented framework that builds intuition and analysis skills of data structures and algorithms * Presents new figures, simpler language, and more practical motivations ...
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5
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Algorithms for Location Estimation Based on RSSI Sampling
Charalampos Papamanthou, Franco P. Preparata, Roberto Tamassia
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December 2008
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Algorithmic Aspects of Wireless Sensor Networks
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Publisher: Springer-Verlag
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| Bibliometrics: Downloads (6 Weeks): n/a, Downloads (12 Months): n/a, Citation Count: 0 |
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In this paper, we re-examine the RSSI measurement model for location estimation and provide the first detailed formulation of the probability distribution of the position of a sensor node. We also show how to use this probabilistic model to efficiently ...
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6
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Preface
Nancy M. Amato, Der-Tsai Lee, Andrea Pietracaprina, Roberto Tamassia
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November 2008
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Theoretical Computer Science
, Volume 408 Issue 2-3
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Publisher: Elsevier Science Publishers Ltd.
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| Bibliometrics: Downloads (6 Weeks): n/a, Downloads (12 Months): n/a, Citation Count: 0 |
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7
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Efficient integrity checking of untrusted network storage
Alexander Heitzmann, Bernardo Palazzi, Charalampos Papamanthou, Roberto Tamassia
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October 2008
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StorageSS '08: Proceedings of the 4th ACM international workshop on Storage security and survivability
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Publisher: ACM
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Full text available: |
Pdf
(637.37 KB)
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| Bibliometrics: Downloads (6 Weeks): 16, Downloads (12 Months): 181, Citation Count: 0 |
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Outsourced storage has become more and more practical in recent years. Users can now store large amounts of data in multiple servers at a relatively low price. An important issue for outsourced storage systems is to design an efficient scheme to assure ...
Keywords: authenticated data structures, data integrity, security, untrusted outsourced storage
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8
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Authenticated hash tables
Charalampos Papamanthou, Roberto Tamassia, Nikos Triandopoulos
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October 2008
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CCS '08: Proceedings of the 15th ACM conference on Computer and communications security
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Publisher: ACM
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Full text available: |
Pdf
(346.48 KB)
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| Bibliometrics: Downloads (6 Weeks): 39, Downloads (12 Months): 361, Citation Count: 1 |
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Hash tables are fundamental data structures that optimally answer membership queries. Suppose a client stores n elements in a hash table that is outsourced at a remote server so that the client can save space or achieve load balancing. Authenticating ...
Keywords: authentication, hash tables, rsa accumulator, verification
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9
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Private Information: To Reveal or not to Reveal
Danfeng Yao, Keith B. Frikken, Mikhail J. Atallah, Roberto Tamassia
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October 2008
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Transactions on Information and System Security (TISSEC)
, Volume 12 Issue 1
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Publisher: ACM
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Full text available: |
Pdf
(441.87 KB)
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| Bibliometrics: Downloads (6 Weeks): 46, Downloads (12 Months): 524, Citation Count: 0 |
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This article studies the notion of quantitative policies for trust management and gives protocols for realizing them in a disclosure-minimizing fashion. Specifically, Bob values each credential with a certain number of points, and requires a minimum ...
Keywords: authorization, policies, secure multi-party computation
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10
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Effective Visualization of File System Access-Control
Alexander Heitzmann, Bernardo Palazzi, Charalampos Papamanthou, Roberto Tamassia
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September 2008
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VizSec '08: Proceedings of the 5th international workshop on Visualization for Computer Security
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Publisher: Springer-Verlag
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| Bibliometrics: Downloads (6 Weeks): n/a, Downloads (12 Months): n/a, Citation Count: 0 |
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In this paper, we present a visual representation of access control permissions in a standard hierarchical file system. Our visualization of file permissions leverages treemaps, a popular graphical representation of hierarchical data. In particular, ...
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