2019
Patent
Open Access
Cache optimization via topics in web search engines
Frieder O., Mele I., Perego R., Tonellotto N.
Source: US 10503792, Internazionale, 2019
Frieder O., Mele I., Perego R., Tonellotto N.
Source: US 10503792, Internazionale, 2019
See at:
ISTI Repository 
| patentimages.storage.googleapis.com | CNR ExploRA
2007
Other
Unknown
GridCOMP: GRID programming with Components: an advanced component platform for an effective invisible Grid - FP6-IST 034442
Dazzi P., Laforenza D., Tonellotto N.
Not abstract available
Dazzi P., Laforenza D., Tonellotto N.
Not abstract available
See at: CNR ExploRA
2007
Other
Unknown
CoreGRID: European research network on foundations, software infrastructures and applications for large scale distributed, grid and peer-to-peer technologies - FP6-IST 004265
Baraglia R., Capannini G., Dazzi P., Laforenza D., Lucchese C., Orlando S., Perego R., Tonellotto N.
Not abstract available
Baraglia R., Capannini G., Dazzi P., Laforenza D., Lucchese C., Orlando S., Perego R., Tonellotto N.
Not abstract available
See at: CNR ExploRA
2007
Other
Unknown
XtreemOS: Building and promoting a Linux-based operating system to support virtual organizations for next generation grids - FP6-IST 033576
Baraglia R., Coppola M., Laforenza D., Tonellotto N.
Not abstract available
Baraglia R., Coppola M., Laforenza D., Tonellotto N.
Not abstract available
See at: CNR ExploRA
2006
Other
Unknown
C++ : esercizi di programmazione sulle classi. Manuale per un corso universitario
Lopriore L., Tonellotto N.
Raccolta di esercizi sul linguaggio di programmazione C++ con particolare riferimento allo sviluppo e all'implementazione di strutture dati astratte utilizzando meccanismi orientati agli oggetti.
Lopriore L., Tonellotto N.
Raccolta di esercizi sul linguaggio di programmazione C++ con particolare riferimento allo sviluppo e all'implementazione di strutture dati astratte utilizzando meccanismi orientati agli oggetti.
See at: CNR ExploRA
2015
Patent
Unknown
A method to rank documents by a computer, using additive ensembles of regression trees and cache optimisation, and search engines using such a method
Dato D., Lucchese C., Nardini F. M., Orlando S., Perego R., Tonellotto N., Venturini R.
Source: PCT29914, Nazionale
Dato D., Lucchese C., Nardini F. M., Orlando S., Perego R., Tonellotto N., Venturini R.
Source: PCT29914, Nazionale
See at: patentscope.wipo.int | CNR ExploRA
2011
Conference article
Restricted
On upper bounds for dynamic pruning
Tonellotto Nicola, Ounis Iadh, Macdonald Craig
Dynamic pruning strategies enhance the efficiency of search engines, by making use of term upper bounds to decide when a document will not make the final set of k retrieved documents. After discussing different approaches for obtaining term upper bounds, we propose the use of multiple least upper bounds. Experiments are conducted on the TREC ClueWeb09 corpus, to measure the accuracy of different upper bounds.Source: Advances in Information Retrieval Theory. Third International Conference, ICTIR 2011, pp. 313–317, Bertinoro, Italy, 12-14 September 2011
DOI: 10.1007/978-3-642-23318-0_29
Metrics:
Tonellotto Nicola, Ounis Iadh, Macdonald Craig
Dynamic pruning strategies enhance the efficiency of search engines, by making use of term upper bounds to decide when a document will not make the final set of k retrieved documents. After discussing different approaches for obtaining term upper bounds, we propose the use of multiple least upper bounds. Experiments are conducted on the TREC ClueWeb09 corpus, to measure the accuracy of different upper bounds.Source: Advances in Information Retrieval Theory. Third International Conference, ICTIR 2011, pp. 313–317, Bertinoro, Italy, 12-14 September 2011
DOI: 10.1007/978-3-642-23318-0_29
Metrics:
See at:
doi.org 
| www.springerlink.com | CNR ExploRA
2012
Other
Unknown
Assets
Meghini C., Galesi G., Nardi A., Perego R., Nicola Tonellotto N., Lucchese C., Lombardi S.
Contract No 250527. ASSETS aims to improve the usability of the Europeana Digital Library platform by designing, implementing and deploying large-scale, scalable services for search and browsing. These services include: efficient storing and indexing, searching based on metadata and on content similarity; advanced ranking algorithms; browsing through semantic cross-links; semi-automatic ingestion of metadata requiring normalization, cleaning, knowledge extraction and mapping to a common structure.Project(s): ASSETS
Meghini C., Galesi G., Nardi A., Perego R., Nicola Tonellotto N., Lucchese C., Lombardi S.
Contract No 250527. ASSETS aims to improve the usability of the Europeana Digital Library platform by designing, implementing and deploying large-scale, scalable services for search and browsing. These services include: efficient storing and indexing, searching based on metadata and on content similarity; advanced ranking algorithms; browsing through semantic cross-links; semi-automatic ingestion of metadata requiring normalization, cleaning, knowledge extraction and mapping to a common structure.Project(s): ASSETS
See at: CNR ExploRA
2007
Conference article
Closed Access
A performance model for stream-based computations
Tonellotto N., Danelutto M., Vanneschi M., Zoccolo C., Laforenza D.
Component-based Grid applications have complex deployment models. Performance-sensitive decisions should be taken by automatic tools. Such tools must match developer knowledge on component performance with QoS requirements on the applications, in order to find deployment plans that satisfy a Service Level Agreement (SLA).Source: 15th Euromicro Conference on Parallel, Distributed and Network-based Processing, pp. 91–96, Naples, Italy, FEB 07-09, 2007
DOI: 10.1109/pdp.2007.12
Metrics:
Tonellotto N., Danelutto M., Vanneschi M., Zoccolo C., Laforenza D.
Component-based Grid applications have complex deployment models. Performance-sensitive decisions should be taken by automatic tools. Such tools must match developer knowledge on component performance with QoS requirements on the applications, in order to find deployment plans that satisfy a Service Level Agreement (SLA).Source: 15th Euromicro Conference on Parallel, Distributed and Network-based Processing, pp. 91–96, Naples, Italy, FEB 07-09, 2007
DOI: 10.1109/pdp.2007.12
Metrics:
See at:
doi.org | CNR ExploRA
2010
Other
Unknown
FP7 Network of Exellence S-CUBE: Software Services and Systems Network.
Silvestri F., Tonellotto N., Versienti L.
Funded by the Commission of European Communities Information Society and Media Directorate-General, the project mission is to establish a unified, multidisciplinary, vibrant research community which will enable Europe to lead the software-services revolution and help shape the software service based Internet which will underpin the whole of our future society. S-Cube aims to push the frontiers of research in Service Oriented Computing by creating a vigorous research agenda where knowledge from diverse research communities is meaningfully synthesized, integrated and applied.
Silvestri F., Tonellotto N., Versienti L.
Funded by the Commission of European Communities Information Society and Media Directorate-General, the project mission is to establish a unified, multidisciplinary, vibrant research community which will enable Europe to lead the software-services revolution and help shape the software service based Internet which will underpin the whole of our future society. S-Cube aims to push the frontiers of research in Service Oriented Computing by creating a vigorous research agenda where knowledge from diverse research communities is meaningfully synthesized, integrated and applied.
See at: CNR ExploRA
2010
Other
Unknown
CIP PSP-BPN ASSETS project: Advanced Search Service and Enhanced Technological Solutions for the Europeana Digital Library
Lucchese C., Perego R., Silvestri F., Tonellotto N.
ASSETS aims to improve the usability of the Europeana Digital Library platform by designing, implementing and deploying large-scale, scalable services for search and browsing. These services include: efficient storing and indexing, searching based on metadata and on content similarity; advanced ranking algorithms; browsing through semantic cross-links; semi-automatic ingestion of metadata requiring normalization, cleaning, knowledge extraction and mapping to a common structure.
Lucchese C., Perego R., Silvestri F., Tonellotto N.
ASSETS aims to improve the usability of the Europeana Digital Library platform by designing, implementing and deploying large-scale, scalable services for search and browsing. These services include: efficient storing and indexing, searching based on metadata and on content similarity; advanced ranking algorithms; browsing through semantic cross-links; semi-automatic ingestion of metadata requiring normalization, cleaning, knowledge extraction and mapping to a common structure.
See at: CNR ExploRA
2007
Report
Unknown
Behavioural skeletons for component autonomic management on grids
Dazzi P., Laforenza D., Tonellotto N., Aldinucci M., Campa S., Danelutto M., Kilpatrick P.
We present behavioural skeletons for the CoreGrid Component Model, which are an abstraction aimed at simplifying the development of GCMbased self-management applications. Behavioural skeletons abstract component self-man-agent in component-based design as design patterns abstract class design in classic OO development. As here we just want to introduce the behavioural skeleton framework, emphasis is placed on general skeleton structure rather than on their autonomic management policies.Source: ISTI Technical reports, 2007
Dazzi P., Laforenza D., Tonellotto N., Aldinucci M., Campa S., Danelutto M., Kilpatrick P.
We present behavioural skeletons for the CoreGrid Component Model, which are an abstraction aimed at simplifying the development of GCMbased self-management applications. Behavioural skeletons abstract component self-man-agent in component-based design as design patterns abstract class design in classic OO development. As here we just want to introduce the behavioural skeleton framework, emphasis is placed on general skeleton structure rather than on their autonomic management policies.Source: ISTI Technical reports, 2007
See at: CNR ExploRA
2008
Other
Unknown
FP7 Network of Exellence S-CUBE: Software Services and Systems Network.
Silvestri F., Tonellotto N., Versienti L.
Funded by the Commission of European Communities Information Society and Media Directorate-General, the project mission is to establish a unified, multidisciplinary, vibrant research community which will enable Europe to lead the software-services revolution and help shape the software service based Internet which will underpin the whole of our future society. S-Cube aims to push the frontiers of research in Service Oriented Computing by creating a vigorous research agenda where knowledge from diverse research communities is meaningfully synthesized, integrated and applied.
Silvestri F., Tonellotto N., Versienti L.
Funded by the Commission of European Communities Information Society and Media Directorate-General, the project mission is to establish a unified, multidisciplinary, vibrant research community which will enable Europe to lead the software-services revolution and help shape the software service based Internet which will underpin the whole of our future society. S-Cube aims to push the frontiers of research in Service Oriented Computing by creating a vigorous research agenda where knowledge from diverse research communities is meaningfully synthesized, integrated and applied.
See at: CNR ExploRA
2013
Conference article
Unknown
On Cloud-based multisource reliable multicast transport in broadband multimedia satellite networks
Gotta A., Tonellotto N., Abdo E. T.
Multimedia synchronization, Software Over the Air, Personal Information Management on Cloud networks require new reliable protocols, which reduce the traffic load in the core and edge network. This work shows via simulations the performance of an efficient multicast file delivery, which advantage of the distributed file storage in Cloud computing. The performance evaluation focuses on the case of a personal satellite equipment with error prone channels.Source: 4th International ICST Conference on Personal Satellite Services, pp. 155–163, Bradford, UK, 22-23 March 2012
Gotta A., Tonellotto N., Abdo E. T.
Multimedia synchronization, Software Over the Air, Personal Information Management on Cloud networks require new reliable protocols, which reduce the traffic load in the core and edge network. This work shows via simulations the performance of an efficient multicast file delivery, which advantage of the distributed file storage in Cloud computing. The performance evaluation focuses on the case of a personal satellite equipment with error prone channels.Source: 4th International ICST Conference on Personal Satellite Services, pp. 155–163, Bradford, UK, 22-23 March 2012
See at: CNR ExploRA
2013
Report
Unknown
MIDAS - Analysis of required functionalities and available public Cloud services
Tonellotto N., Di Napoli C., De Francesco A., Giordano M., Wendland M., Maesano L., De Rosa F.
Analysis of required functionalities and available public Cloud services: A report elaborated in T6.1 presenting a description of the services and communications mechanisms provided by the TTworkbench engine for a Cloud-enabled testing framework and a survey of the state of the art of Cloud infrastructures and services, with a particular focus on the required functionality.Source: Project report, MIDAS, Deliverable D6.1, 2013
Project(s): MIDAS
Tonellotto N., Di Napoli C., De Francesco A., Giordano M., Wendland M., Maesano L., De Rosa F.
Analysis of required functionalities and available public Cloud services: A report elaborated in T6.1 presenting a description of the services and communications mechanisms provided by the TTworkbench engine for a Cloud-enabled testing framework and a survey of the state of the art of Cloud infrastructures and services, with a particular focus on the required functionality.Source: Project report, MIDAS, Deliverable D6.1, 2013
Project(s): MIDAS
See at: CNR ExploRA
2014
Report
Unknown
MIDAS - The basic MIDAS platform and the integrated test evaluation, planning and scheduling macro-component
De Francesco A., Di Napoli C., Tonellotto N., De Rosa F., Maesano L., Harms P., Herbold S.
The basic MIDAS platform and the integrated test evaluation, planning and scheduling macro-component: This deliverable includes the basic MIDAS PaaS with mechanisms to manage the Cloud infrastructure and to provide the requested functionality and reports a planning for the activities performed in the task T6.2, T6.3 and T.6.4. The deliverable will include also a first demonstrator of the integrated test execution macro-component.Project(s): MIDAS
De Francesco A., Di Napoli C., Tonellotto N., De Rosa F., Maesano L., Harms P., Herbold S.
The basic MIDAS platform and the integrated test evaluation, planning and scheduling macro-component: This deliverable includes the basic MIDAS PaaS with mechanisms to manage the Cloud infrastructure and to provide the requested functionality and reports a planning for the activities performed in the task T6.2, T6.3 and T.6.4. The deliverable will include also a first demonstrator of the integrated test execution macro-component.Project(s): MIDAS
See at: CNR ExploRA
2011
Conference article
Restricted
Representing document lengths with identifiers
Tonellotto Nicola, Silvestri Fabrizio, Perego Raffaele
The length of each indexed document is needed by most common text retrieval scoring functions to rank it with respect to the current query. For efficiency purposes information retrieval systems maintain this information in the main memory. This paper proposes a novel strategy to encode the length of each document directly in the document identifier, thus reducing main memory demand. The technique is based on a simple document identifier assignment method and a function allowing the emph{approximate} length of each indexed document to be computed analytically. The paper discusses the implication of the adoption of the proposed technique, and the encouraging results of the experiments conducted with the 2009 TREC Web Track dataset.Source: Advances in Information Retrieval. 33rd European Conference on IR Research, ECIR 2011, pp. 665–669, Dublin, Ireland, 18-21 April 2011
DOI: 10.1007/978-3-642-20161-5_66
Metrics:
Tonellotto Nicola, Silvestri Fabrizio, Perego Raffaele
The length of each indexed document is needed by most common text retrieval scoring functions to rank it with respect to the current query. For efficiency purposes information retrieval systems maintain this information in the main memory. This paper proposes a novel strategy to encode the length of each document directly in the document identifier, thus reducing main memory demand. The technique is based on a simple document identifier assignment method and a function allowing the emph{approximate} length of each indexed document to be computed analytically. The paper discusses the implication of the adoption of the proposed technique, and the encouraging results of the experiments conducted with the 2009 TREC Web Track dataset.Source: Advances in Information Retrieval. 33rd European Conference on IR Research, ECIR 2011, pp. 665–669, Dublin, Ireland, 18-21 April 2011
DOI: 10.1007/978-3-642-20161-5_66
Metrics:
See at:
doi.org | www.scopus.com | www.springerlink.com | CNR ExploRA
2010
Journal article
Closed Access
Modeling stream communications in component-based applications
Tonellotto N., Danelutto M., Vanneschi M., Laforenza D., Zoccolo C.
Component technology is a promising approach to develop Grid applications, allowing to design very complex applications by hierarchical composition of basic components. Nevertheless, component applications on Grids have complex deployment models. Performance-sensitive decisions should be taken by automatic tools, matching developer knowledge about component performance with QoS requirements on the applications, in order to find deployment plans that satisfy a Service Level Agreement (SLA). This paper presents a steady-state performance model for component-based applications with stream communication semantics. The model strictly adheres to the hierarchical nature of component-based applications, and is of practical use in launch-time decisions.Source: Scalable Computing. Practice and Experience 11 (2010): 263–275.
Tonellotto N., Danelutto M., Vanneschi M., Laforenza D., Zoccolo C.
Component technology is a promising approach to develop Grid applications, allowing to design very complex applications by hierarchical composition of basic components. Nevertheless, component applications on Grids have complex deployment models. Performance-sensitive decisions should be taken by automatic tools, matching developer knowledge about component performance with QoS requirements on the applications, in order to find deployment plans that satisfy a Service Level Agreement (SLA). This paper presents a steady-state performance model for component-based applications with stream communication semantics. The model strictly adheres to the hierarchical nature of component-based applications, and is of practical use in launch-time decisions.Source: Scalable Computing. Practice and Experience 11 (2010): 263–275.
See at:
www.scpe.org | CNR ExploRA
2005
Conference article
Open Access
How to run scientific applications over web services
Puppin D., Laforenza D., Tonellotto N.
MPI is a de facto standard for high performance numerical applications on parallel machines: it is available, in a variety of implementations, for a range of architectures, ranging from supercomputers to clusters of workstations. Nonetheless, with the growing demand for distributed, heterogeneous and Grid computing, developers are hitting some of its limitations: e.g. security is not addressed, and geographically distributed machines are difficult to connect. In this work, we give an example of a parallel application, implemented with the use of Web Services. Web Services represent an emerging standard to offer computational services over the Internet. While this solution does not reach the same performance of MPI, it offers a series of advantages: high availability, rapid design, extreme heterogeneity.Source: International Conference on Parallel Processing. ICPP 2005 Workshops, pp. 29–33, Oslo, Norway, June 14-17, 2005
DOI: 10.1109/icppw.2005.39
Metrics:
Puppin D., Laforenza D., Tonellotto N.
MPI is a de facto standard for high performance numerical applications on parallel machines: it is available, in a variety of implementations, for a range of architectures, ranging from supercomputers to clusters of workstations. Nonetheless, with the growing demand for distributed, heterogeneous and Grid computing, developers are hitting some of its limitations: e.g. security is not addressed, and geographically distributed machines are difficult to connect. In this work, we give an example of a parallel application, implemented with the use of Web Services. Web Services represent an emerging standard to offer computational services over the Internet. While this solution does not reach the same performance of MPI, it offers a series of advantages: high availability, rapid design, extreme heterogeneity.Source: International Conference on Parallel Processing. ICPP 2005 Workshops, pp. 29–33, Oslo, Norway, June 14-17, 2005
DOI: 10.1109/icppw.2005.39
Metrics:
See at:
hpc.isti.cnr.it | doi.org | ieeexplore.ieee.org | CNR ExploRA
2007
Conference article
Restricted
Managing user expectations with component performance contracts
Tonellotto N., Laforenza D., Coppola M., Zoccolo C., Danelutto M., Vanneschi M.
In this paper we introduce a definition of performance contract for hierarchical component applications communicating through one-way asynchronous communications. Component annotations allow to express a generic performance model, performance requirements and resource constraints. We propose an $O(n. 3.5})$ algorithm to obtain from user expectations the minimum resource requirements which ensure the desired QoS, to be exploited successively in a SLA negotiation phase. The technique is suitable for automatic execution, exploiting developer-provided annotations, and is validated with experiments on heterogeneous grid platforms.Source: CoreGRID Workshop on Usage of Service Level Agreements in Grids, pp. 349–358, Austin, Texas, USA, 19 Settembre 2007
DOI: 10.1007/978-0-387-78446-5
Metrics:
Tonellotto N., Laforenza D., Coppola M., Zoccolo C., Danelutto M., Vanneschi M.
In this paper we introduce a definition of performance contract for hierarchical component applications communicating through one-way asynchronous communications. Component annotations allow to express a generic performance model, performance requirements and resource constraints. We propose an $O(n. 3.5})$ algorithm to obtain from user expectations the minimum resource requirements which ensure the desired QoS, to be exploited successively in a SLA negotiation phase. The technique is suitable for automatic execution, exploiting developer-provided annotations, and is validated with experiments on heterogeneous grid platforms.Source: CoreGRID Workshop on Usage of Service Level Agreements in Grids, pp. 349–358, Austin, Texas, USA, 19 Settembre 2007
DOI: 10.1007/978-0-387-78446-5
Metrics:
See at:
doi.org | CNR ExploRA