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| Author | Intrigila, Benedetto; Salvo, Ivano; Sorgi, Stefano | ||||
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A characterization of weakly Church-Rosser abstract reduction systems that are not Church-Rosser | Type | Journal Article | ||
| Year | 2001 | Publication | Information and Computation | Abbreviated Journal | |
| Volume | 171 | Issue | 2 | Pages | 137-155 |
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| Abstract | Basic properties of rewriting systems can be stated in the framework of abstract reduction systems (ARS). Properties like confluence (or Church-Rosser, CR) and weak confluence (or weak Church-Rosser, WCR) and their relationships can be studied in this setting: as a matter of fact, well-known counterexamples to the implication WCR CR have been formulated as ARS. In this paper, starting from the observation that such counterexamples are structurally similar, we set out a graph-theoretic characterization of WCR ARS that is not CR in terms of a suitable class of reduction graphs, such that in every WCR not CR ARS, we can embed at least one element of this class. Moreover, we give a tighter characterization for a restricted class of ARS enjoying a suitable regularity condition. Finally, as a consequence of our approach, we prove some interesting results about ARS using the mathematical tools developed. In particular, we prove an extension of the Newman’s lemma and we find out conditions that, once assumed together with WCR property, ensure the unique normal form property. The Appendix treats two interesting examples, both generated by graph-rewriting rules, with specific combinatorial properties. | ||||
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| Publisher | Academic Press, Inc. | Place of Publication | Duluth, MN, USA | Editor | |
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| Series Volume | Series Issue | Edition | |||
| ISSN | 0890-5401 | ISBN | Medium | ||
| Area | Expedition | Conference | |||
| Notes | Approved | yes | |||
| Call Number | Sapienza @ mari @ Intrigila-Salvo-Sorgi:01 | Serial | 68 | ||
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| Author | Bono, V.; Salvo, I. | ||||
| Title |
A CuCh Interpretation of an Object-Oriented Language | Type | Journal Article | ||
| Year | 2001 | Publication | Electronic Notes in Theoretical Computer Science | Abbreviated Journal | |
| Volume | 50 | Issue | 2 | Pages | 159-177 |
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| Abstract | CuCh machine extends pure lambda–calculus with algebraic data types and provides a the possibility of defining functions over the disjoint sum of algebras. We exploit such natural form of overloading to define a functional interpretation of a simple, but significant fragment of a typical object-oriented language. | ||||
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| Publisher | Elsevier | Place of Publication | Editor | ||
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| Notes | BOTH 2001, Bohm’s theorem: applications to Computer Science Theory (Satellite Workshop of ICALP 2001) | Approved | yes | ||
| Call Number | Sapienza @ mari @ Bono-Salvo:BOTH01 | Serial | 72 | ||
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| Author | Alimguzhin, Vadim; Mari, Federico; Melatti, Igor; Salvo, Ivano; Tronci, Enrico | ||||
| Title |
A Map-Reduce Parallel Approach to Automatic Synthesis of Control Software | Type | Conference Article | ||
| Year | 2013 | Publication | Proc. of International SPIN Symposium on Model Checking of Software (SPIN 2013) | Abbreviated Journal | International SPIN Symposium on Model Checking of Software |
| Volume | Issue | Pages | 43-60 | ||
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| Publisher | Springer - Verlag | Place of Publication | Editor | ||
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| Series Editor | Series Title | Lecture Notes in Computer Science | Abbreviated Series Title | ||
| Series Volume | 7976 | Series Issue | Edition | ||
| ISSN | 0302-9743 | ISBN | 978-3-642-39175-0 | Medium | |
| Area | Expedition | Conference | |||
| Notes | Approved | no | |||
| Call Number | Sapienza @ melatti @ | Serial | 112 | ||
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| Author | Alimguzhin, Vadim; Mari, Federico; Melatti, Igor; Salvo, Ivano; Tronci, Enrico | ||||
| Title |
A Map-Reduce Parallel Approach to Automatic Synthesis of Control Software | Type | Report | ||
| Year | 2012 | Publication | Abbreviated Journal | ||
| Volume | abs/1210.2276 | Issue | Pages | ||
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| Abstract | Many Control Systems are indeed Software Based Control Systems, i.e. control systems whose controller consists of control software running on a microcontroller device. This motivates investigation on Formal Model Based Design approaches for automatic synthesis of control software.
Available algorithms and tools (e.g., QKS) may require weeks or even months of computation to synthesize control software for large-size systems. This motivates search for parallel algorithms for control software synthesis. In this paper, we present a map-reduce style parallel algorithm for control software synthesis when the controlled system (plant) is modeled as discrete time linear hybrid system. Furthermore we present an MPI-based implementation PQKS of our algorithm. To the best of our knowledge, this is the first parallel approach for control software synthesis. We experimentally show effectiveness of PQKS on two classical control synthesis problems: the inverted pendulum and the multi-input buck DC/DC converter. Experiments show that PQKS efficiency is above 65%. As an example, PQKS requires about 16 hours to complete the synthesis of control software for the pendulum on a cluster with 60 processors, instead of the 25 days needed by the sequential algorithm in QKS. |
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| Publisher | CoRR, Technical Report | Place of Publication | Editor | ||
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| Notes | Approved | yes | |||
| Call Number | Sapienza @ mari @ | Serial | 101 | ||
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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 | |
| Volume | 62 | Issue | Pages | 83-101 | |
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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 | Place of Publication | Editor | ||
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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 | Mancini, T.; Mari, F.; Melatti, I.; Salvo, I.; Tronci, E. | ||||
| Title |
An Efficient Algorithm for Network Vulnerability Analysis Under Malicious Attacks | Type | Conference Article | ||
| Year | 2018 | Publication | Foundations of Intelligent Systems – 24th International Symposium, ISMIS 2018, Limassol, Cyprus, October 29-31, 2018, Proceedings | Abbreviated Journal | |
| Volume | Issue | Pages | 302-312 | ||
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| Notes | Best Paper | Approved | no | ||
| Call Number | MCLab @ davi @ DBLP:conf/ismis/ManciniMMST18 | Serial | 176 | ||
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| Author | Ehrig, R.; Dierkes, T.; Schaefer, S.; Roeblitz, S.; Tronci, E.; Mancini, T.; Salvo, I.; Alimguzhin, V.; Mari, F.; Melatti, I.; Massini, A.; Leeners, B.; Krueger, T.H.C.; Egli, M.; Ille, F. | ||||
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An integrative approach for model driven computation of treatments in reproductive medicine | Type | Conference Article | ||
| Year | 2015 | Publication | Proceedings of the 15th International Symposium on Mathematical and Computational Biology (BIOMAT 2015), Rorkee, India | Abbreviated Journal | |
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| Notes | Approved | no | |||
| Call Number | Sapienza @ preissler @ Ehrig_etal2015 | Serial | 144 | ||
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| Author | Alimguzhin, Vadim; Mari, Federico; Melatti, Igor; Salvo, Ivano; Tronci, Enrico | ||||
| Title |
Automatic Control Software Synthesis for Quantized Discrete Time Hybrid Systems | Type | Report | ||
| Year | 2012 | Publication | Abbreviated Journal | ||
| Volume | abs/1207.4098 | Issue | Pages | ||
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| Abstract | Many Embedded Systems are indeed Software Based Control Systems, that is control systems whose controller consists of control software running on a microcontroller device. This motivates investigation on Formal Model Based Design approaches for automatic synthesis of embedded systems control software. This paper addresses control software synthesis for discrete time nonlinear systems. We present a methodology to overapproximate the dynamics of a discrete time nonlinear hybrid system H by means of a discrete time linear hybrid system L(H), in such a way that controllers for L(H) are guaranteed to be controllers for H. We present experimental results on the inverted pendulum, a challenging and meaningful benchmark in nonlinear Hybrid Systems control. | ||||
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| Publisher | CoRR, Technical Report | Place of Publication | Editor | ||
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| Notes | Approved | yes | |||
| Call Number | Sapienza @ mari @ | Serial | 103 | ||
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| Author | Alimguzhin, Vadim; Mari, Federico; Melatti, Igor; Salvo, Ivano; Tronci, Enrico | ||||
| Title |
Automatic Control Software Synthesis for Quantized Discrete Time Hybrid Systems | Type | Conference Article | ||
| Year | 2012 | Publication | Proceedings of the 51th IEEE Conference on Decision and Control, CDC 2012, December 10-13, 2012, Maui, HI, USA | Abbreviated Journal | |
| Volume | Issue | Pages | 6120-6125 | ||
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| Publisher | IEEE | Place of Publication | Editor | ||
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| ISSN | ISBN | 978-1-4673-2065-8 | Medium | ||
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| Notes | Techreport version can be found at http://arxiv.org/abs/1207.4098 | Approved | yes | ||
| Call Number | Sapienza @ mari @ cdc12 | Serial | 96 | ||
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| Author | Toni Mancini; Enrico Tronci; Ivano Salvo; Federico Mari; Annalisa Massini; Igor Melatti | ||||
| Title |
Computing Biological Model Parameters by Parallel Statistical Model Checking | Type | Journal Article | ||
| Year | 2015 | Publication | International Work Conference on Bioinformatics and Biomedical Engineering (IWBBIO 2015) | Abbreviated Journal | |
| Volume | 9044 | Issue | Pages | 542-554 | |
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| Notes | Approved | no | |||
| Call Number | MCLab @ davi @ | Serial | 124 | ||
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