| Records |
| Author |
Bucciarelli, Antonio; de Lorenzis, Silvia; Piperno, Adolfo; Salvo, Ivano |
| Title |
Some Computational Properties of Intersection Types (Extended Abstract) |
Type |
Journal Article |
| Year |
1999 |
Publication |
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Abbreviated Journal |
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| Volume |
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Issue |
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Pages  |
109-118 |
| Keywords |
lambda calculusCurry types, intersection types, lambda-definability, lambda-terms, strong normalization |
| Abstract |
This paper presents a new method for comparing computation-properties of λ-terms typeable with intersection types with respect to terms typeable with Curry types. In particular, strong normalization and λ-definability are investigated. A translation is introduced from intersection typing derivations to Curry typeable terms; the main feature of the proposed technique is that the translation is preserved by β-reduction. This allows to simulate a computation starting from a term typeable in the intersection discipline by means of a computation starting from a simply typeable term. Our approach naturally leads to prove strong normalization in the intersection system by means of purely syntactical techniques. In addition, the presented method enables us to give a proof of a conjecture proposed by Leivant in 1990, namely that all functions uniformly definable using intersection types are already definable using Curry types. |
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| Publisher |
IEEE Computer Society |
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Approved |
yes |
| Call Number |
Sapienza @ mari @ bucciarelli-delorenzis-piperno-salvo:99 |
Serial |
71 |
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| Author |
Melatti, Igor; Palmer, Robert; Sawaya, Geoffrey; Yang, Yu; Kirby, Robert Mike; Gopalakrishnan, Ganesh |
| Title |
Parallel and Distributed Model Checking in Eddy |
Type |
Conference Article |
| Year |
2006 |
Publication |
Model Checking Software, 13th International SPIN Workshop, Vienna, Austria, March 30 – April 1, 2006, Proceedings |
Abbreviated Journal |
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| Volume |
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Issue |
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Pages |
108-125 |
| Keywords |
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| Abstract |
Model checking of safety properties can be scaled up by pooling the CPU and memory resources of multiple computers. As compute clusters containing 100s of nodes, with each node realized using multi-core (e.g., 2) CPUs will be widespread, a model checker based on the parallel (shared memory) and distributed (message passing) paradigms will more efficiently use the hardware resources. Such a model checker can be designed by having each node employ two shared memory threads that run on the (typically) two CPUs of a node, with one thread responsible for state generation, and the other for efficient communication, including (i) performing overlapped asynchronous message passing, and (ii) aggregating the states to be sent into larger chunks in order to improve communication network utilization. We present the design details of such a novel model checking architecture called Eddy. We describe the design rationale, details of how the threads interact and yield control, exchange messages, as well as detect termination. We have realized an instance of this architecture for the Murphi modeling language. Called Eddy_Murphi, we report its performance over the number of nodes as well as communication parameters such as those controlling state aggregation. Nearly linear reduction of compute time with increasing number of nodes is observed. Our thread task partition is done in such a way that it is modular, easy to port across different modeling languages, and easy to tune across a variety of platforms. |
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| Publisher |
Springer - Verlag |
Place of Publication |
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Editor |
Valmari, A. |
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Original Title |
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| Series Editor |
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Series Title |
Lecture Notes in Computer Science |
Abbreviated Series Title |
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| Series Volume |
3925 |
Series Issue |
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Edition |
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| ISSN |
0302-9743 |
ISBN |
978-3-540-33102-5 |
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Approved |
yes |
| Call Number |
Sapienza @ mari @ Mpsykg06 |
Serial |
81 |
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| Author |
Della Penna, Giuseppe; Magazzeni, Daniele; Tofani, Alberto; Intrigila, Benedetto; Melatti, Igor; Tronci, Enrico |
| Title |
Automated Generation Of Optimal Controllers Through Model Checking Techniques |
Type |
Book Chapter |
| Year |
2008 |
Publication |
Informatics in Control Automation and Robotics. Selected Papers from ICINCO 2006 |
Abbreviated Journal |
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| Volume |
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Issue |
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Pages |
107-119 |
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| Publisher |
Springer |
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Approved |
yes |
| Call Number |
Sapienza @ mari @ Dmtmt08 |
Serial |
26 |
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| Author |
Mancini, T.; Mari, F.; Massini, A.; Melatti, I.; Tronci, E. |
| Title |
SyLVaaS: System Level Formal Verification as a Service |
Type |
Journal Article |
| Year |
2016 |
Publication |
Fundamenta Informaticae |
Abbreviated Journal |
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| Volume |
149 |
Issue |
1-2 |
Pages |
101-132 |
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Approved |
no |
| Call Number |
MCLab @ davi @ DBLP:journals/fuin/ManciniMMMT16 |
Serial |
160 |
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| Author |
Campagnano, Edoardo; Ciancamerla, Ester; Minichino, Michele; Tronci, Enrico |
| Title |
Automatic Analysis of a Safety Critical Tele Control System |
Type |
Conference Article |
| Year |
2005 |
Publication |
24th International Conference on: Computer Safety, Reliability, and Security (SAFECOMP) |
Abbreviated Journal |
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| Volume |
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Issue |
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Pages |
94-107 |
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| Abstract |
We show how the Mur$\varphi$ model checker can be used to automatically carry out safety analysis of a quite complex hybrid system tele-controlling vehicles traffic inside a safety critical transport infrastructure such as a long bridge or a tunnel. We present the Mur$\varphi$ model we developed towards this end as well as the experimental results we obtained by running the Mur$\varphi$ verifier on our model. Our experimental results show that the approach presented here can be used to verify safety of critical dimensioning parameters (e.g. bandwidth) of the telecommunication network embedded in a safety critical system. |
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| Publisher |
Springer |
Place of Publication |
Fredrikstad, Norway |
Editor |
Winther, R.; Gran, B. A.; Dahll, G. |
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Series Title |
Lecture Notes in Computer Science |
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| Series Volume |
3688 |
Series Issue |
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Edition |
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| ISSN |
3-540-29200-4 |
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| Notes |
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Approved |
yes |
| Call Number |
Sapienza @ mari @ safecomp05 |
Serial |
32 |
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| Author |
Bobbio, Andrea; Ciancamerla, Ester; Di Blasi, Saverio; Iacomini, Alessandro; Mari, Federico; Melatti, Igor; Minichino, Michele; Scarlatti, Alessandro; Tronci, Enrico; Terruggia, Roberta; Zendri, Emilio |
| Title |
Risk analysis via heterogeneous models of SCADA interconnecting Power Grids and Telco networks |
Type |
Conference Article |
| Year |
2009 |
Publication |
Proceedings of Fourth International Conference on Risks and Security of Internet and Systems (CRiSIS) |
Abbreviated Journal |
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| Volume |
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Issue |
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Pages |
90-97 |
| Keywords |
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| Abstract |
The automation of power grids by means of supervisory control and data acquisition (SCADA) systems has led to an improvement of power grid operations and functionalities but also to pervasive cyber interdependencies between power grids and telecommunication networks. Many power grid services are increasingly depending upon the adequate functionality of SCADA system which in turn strictly depends on the adequate functionality of its communication infrastructure. We propose to tackle the SCADA risk analysis by means of different and heterogeneous modeling techniques and software tools. We demonstrate the applicability of our approach through a case study on an actual SCADA system for an electrical power distribution grid. The modeling techniques we discuss aim at providing a probabilistic dependability analysis, followed by a worst case analysis in presence of malicious attacks and a real-time performance evaluation. |
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Conference |
Fourth International Conference on Risks and Security of Internet and Systems (CRiSIS) |
| Notes |
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Approved |
yes |
| Call Number |
Sapienza @ mari @ crisis09 |
Serial |
17 |
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| Author |
Barbanera, Franco; Dezani-Ciancaglini, Mariangiola; Salvo, Ivano; Sassone, Vladimiro |
| Title |
A Type Inference Algorithm for Secure Ambients |
Type |
Journal Article |
| Year |
2002 |
Publication |
Electronic Notes in Theoretical Computer Science |
Abbreviated Journal |
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| Volume |
62 |
Issue |
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Pages |
83-101 |
| Keywords |
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| Abstract |
We consider a type discipline for the Ambient Calculus that associates ambients with security levels and constrains them to be traversed by or opened in ambients of higher security clearance only. We present a bottom-up algorithm that, given an untyped process P, computes a minimal set of constraints on security levels such that all actions during runs of P are performed without violating the security level priorities. Such an algorithm appears to be a prerequisite to use type systems to ensure security properties in the web scenario. |
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| Publisher |
Elsevier |
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| Notes |
TOSCA 2001, Theory of Concurrency, Higher Order Languages and Types |
Approved |
yes |
| Call Number |
Sapienza @ mari @ Barbanera-Dezani-Salvo-Sassone:01 |
Serial |
73 |
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| Author |
Alimguzhin, Vadim; Mari, Federico; Melatti, Igor; Salvo, Ivano; Tronci, Enrico |
| Title |
On-the-Fly Control Software Synthesis |
Type |
Conference Article |
| Year |
2013 |
Publication |
Proceedings of International SPIN Symposium on Model Checking of Software (SPIN 2013) |
Abbreviated Journal |
International SPIN Symposium on Model Checking of Software |
| Volume |
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Issue |
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Pages |
61-80 |
| Keywords |
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| Abstract |
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| Address |
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| Publisher |
Springer - Verlag |
Place of Publication |
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Editor |
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Series Title |
Lecture Notes in Computer Science |
Abbreviated Series Title |
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| Series Volume |
7976 |
Series Issue |
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Edition |
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| ISSN |
0302-9743 |
ISBN |
978-3-642-39175-0 |
Medium |
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Expedition |
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Conference |
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| Notes |
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Approved |
yes |
| Call Number |
Sapienza @ melatti @ |
Serial |
111 |
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| Author |
Mancini, T. |
| Title |
Now or Never: Negotiating Efficiently with Unknown or Untrusted Counterparts |
Type |
Journal Article |
| Year |
2016 |
Publication |
Fundamenta Informaticae |
Abbreviated Journal |
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| Volume |
149 |
Issue |
1-2 |
Pages |
61-100 |
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Approved |
no |
| Call Number |
MCLab @ davi @ DBLP:journals/fuin/Mancini16 |
Serial |
161 |
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| Author |
Della Penna, Giuseppe; Intrigila, Benedetto; Melatti, Igor; Tronci, Enrico; Venturini Zilli, Marisa |
| Title |
Finite Horizon Analysis of Stochastic Systems with the Mur$\varphi$ Verifier |
Type |
Conference Article |
| Year |
2003 |
Publication |
Theoretical Computer Science, 8th Italian Conference, ICTCS 2003, Bertinoro, Italy, October 13-15, 2003, Proceedings |
Abbreviated Journal |
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Issue |
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Pages |
58-71 |
| Keywords |
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| Abstract |
Many reactive systems are actually Stochastic Processes. Automatic analysis of such systems is usually very difficult thus typically one simplifies the analysis task by using simulation or by working on a simplified model (e.g. a Markov Chain). We present a Finite Horizon Probabilistic Model Checking approach which essentially can handle the same class of stochastic processes of a typical simulator. This yields easy modeling of the system to be analyzed together with formal verification capabilities. Our approach is based on a suitable disk based extension of the Mur$\varphi$ verifier. Moreover we present experimental results showing effectiveness of our approach. |
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Springer |
Place of Publication |
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Editor |
Blundo, C.; Laneve, C. |
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Summary Language |
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Original Title |
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Series Title |
Lecture Notes in Computer Science |
Abbreviated Series Title |
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| Series Volume |
2841 |
Series Issue |
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Edition |
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| ISSN |
3-540-20216-1 |
ISBN |
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Medium |
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Expedition |
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Conference |
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| Notes |
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Approved |
yes |
| Call Number |
Sapienza @ mari @ DIMTZ03c |
Serial |
90 |
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