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Proceedings of the 18th Panhellenic Conference on Informatics最新文献

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Cross country comparison on the factors determining OSS diffusion 决定OSS扩散因素的跨国比较
Proceedings of the 18th Panhellenic Conference on Informatics Pub Date : 2014-10-02 DOI: 10.1145/2645791.2645808
Spyridoula Lakka, Teta Stamati, C. Michalakelis
{"title":"Cross country comparison on the factors determining OSS diffusion","authors":"Spyridoula Lakka, Teta Stamati, C. Michalakelis","doi":"10.1145/2645791.2645808","DOIUrl":"https://doi.org/10.1145/2645791.2645808","url":null,"abstract":"The aim of this paper is to investigate and evaluate the critical factors that underlie the Open Source Software (OSS) diffusion among countries. Grounded on a theoretical framework of diffusion of innovations theory and the theories of institutionalism, endogenous and exogenous growth, the study proposes a parameterized diffusion model that evaluates the weight of impact on two stages of the OSS diffusion: the initialization stage and the diffusion's growth rate. Research findings stress on the importance of innovation, the quality of human capital, the technological infrastructure, the protection of intellectual property and knowledge spillovers among countries, at all stages of the diffusion process.","PeriodicalId":402367,"journal":{"name":"Proceedings of the 18th Panhellenic Conference on Informatics","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-10-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130476634","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Automated Generation of the Register Set of a SOC and its Verification Environment SOC寄存器集的自动生成及其验证环境
Proceedings of the 18th Panhellenic Conference on Informatics Pub Date : 2014-10-02 DOI: 10.1145/2645791.2645851
K. Poulos, K. Adaos, G. Alexiou
{"title":"Automated Generation of the Register Set of a SOC and its Verification Environment","authors":"K. Poulos, K. Adaos, G. Alexiou","doi":"10.1145/2645791.2645851","DOIUrl":"https://doi.org/10.1145/2645791.2645851","url":null,"abstract":"This paper presents the details of a tool that automates the generation of the register fields of a System-On-Chip. The generator requires a single text file as input and produces the synthesizable version of a wide range of registers with different properties. The supported register fields are in one to one correspondence with the fields defined in the UVM register layer. The generator automatically assembles these fields in a register file that conforms to the AHB bus standard. It also produces the verification model of the register file according to UVM. For demonstrating the effectiveness of the presented tool, we implement the register file of a small processor based SOC design and present results from synthesis and timing analysis.","PeriodicalId":402367,"journal":{"name":"Proceedings of the 18th Panhellenic Conference on Informatics","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-10-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129123619","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Stealth Assessment of Hardware Trojans in simple Processors 简单处理器中硬件木马的隐身性评估
Proceedings of the 18th Panhellenic Conference on Informatics Pub Date : 2014-10-02 DOI: 10.1145/2645791.2645818
I. Nikopoulos, A. Milidonis, C. Efstathiou, C. Sgouropoulou, I. Voyiatzis
{"title":"Stealth Assessment of Hardware Trojans in simple Processors","authors":"I. Nikopoulos, A. Milidonis, C. Efstathiou, C. Sgouropoulou, I. Voyiatzis","doi":"10.1145/2645791.2645818","DOIUrl":"https://doi.org/10.1145/2645791.2645818","url":null,"abstract":"Many experimental hardware Trojans explore the potential threat vectors. However, if a Trojan largely affects area, power or operating speed, then it can be easy to detect. We explore the cost in area, power and operating speed of two small, focused attacks on the Parwan processor implemented with a standard cell library. The resulting cost in total area varied from a 0.05% to a 0.09% increase in the area of the design and similar results in the power consumption, while no delay overhead was imposed.","PeriodicalId":402367,"journal":{"name":"Proceedings of the 18th Panhellenic Conference on Informatics","volume":"54 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-10-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128305381","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A Marketing Tool Based on Games for Smart Devices 基于游戏的智能设备营销工具
Proceedings of the 18th Panhellenic Conference on Informatics Pub Date : 2014-10-02 DOI: 10.1145/2645791.2645853
Pantelis Christodoulou, I. Diamantis, Stamatis Dragoumanos, A. Kakarountas
{"title":"A Marketing Tool Based on Games for Smart Devices","authors":"Pantelis Christodoulou, I. Diamantis, Stamatis Dragoumanos, A. Kakarountas","doi":"10.1145/2645791.2645853","DOIUrl":"https://doi.org/10.1145/2645791.2645853","url":null,"abstract":"A new marketing tool is proposed based on games for smart devices like smart phones and tablets. Game experience is extended to real life, with riddles in specific locations, motivating the user to visit sites of interest. A simple prototype has been developed and several marketing scenarios have been evaluated..","PeriodicalId":402367,"journal":{"name":"Proceedings of the 18th Panhellenic Conference on Informatics","volume":"33 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-10-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122019144","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
GEN6 EU-project: Greek Pilot: GEN6欧盟项目:希腊试点;
Proceedings of the 18th Panhellenic Conference on Informatics Pub Date : 2014-10-02 DOI: 10.1145/2645791.2645837
A. Kretsis, P. Kokkinos, Emmanouel Varvarigos, V. Nikolopoulos, E. Gkioxi, I. Hatzakis
{"title":"GEN6 EU-project: Greek Pilot:","authors":"A. Kretsis, P. Kokkinos, Emmanouel Varvarigos, V. Nikolopoulos, E. Gkioxi, I. Hatzakis","doi":"10.1145/2645791.2645837","DOIUrl":"https://doi.org/10.1145/2645791.2645837","url":null,"abstract":"We present the results of the Greek pilot \"IPv6 upgrade of Energy Efficiency in School Networks\" [1], implemented in the context of the EU-sponsored project Governments ENabled with IPv6 (GEN6) [2]. The Greek pilot is part of a number of other European pilots (in Slovenia, Spain, Germany and Turkey) of the GEN6 project, which have the mission to validate and catalyze the deployment of IPv6 in the existing EU government infrastructures, services and applications. The Greek pilot, presented in this work has to do with the development, the installation and operation of an energy metering infrastructure in Greek Schools.","PeriodicalId":402367,"journal":{"name":"Proceedings of the 18th Panhellenic Conference on Informatics","volume":"70 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-10-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116318575","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Distributed evaluation of XPath queries over large integrated XML data 对大型集成XML数据进行XPath查询的分布式计算
Proceedings of the 18th Panhellenic Conference on Informatics Pub Date : 2014-10-02 DOI: 10.1145/2645791.2645804
M. Damigos, M. Gergatsoulis, Eleftherios Kalogeros
{"title":"Distributed evaluation of XPath queries over large integrated XML data","authors":"M. Damigos, M. Gergatsoulis, Eleftherios Kalogeros","doi":"10.1145/2645791.2645804","DOIUrl":"https://doi.org/10.1145/2645791.2645804","url":null,"abstract":"XML is a widespread, text-based format used for exchanging information on the Web and representing metadata. Since the amount of XML information is rapidly increasing, efficient querying of large data repositories, containing XML data, is a significant challenge faced by system designers and data analysts who need to support operational actions and decision-making. In this paper we propose a technique for integrating large amount of XML data and use the Map-Reduce framework to efficiently query the integrated data. Each XML document obtained from the sources is transformed properly in order to fit into a predefined, virtual XML structure. Although the transformed documents are not physically integrated, the user is able to pose queries over a single XML structure. To achieve this feature we propose a single-step, Map-Reduce algorithm which takes advantage of virtual structure and computes efficiently the answer of a given XPath queries in a distributed manner.","PeriodicalId":402367,"journal":{"name":"Proceedings of the 18th Panhellenic Conference on Informatics","volume":"41 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-10-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127341730","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
Session details: Special Session in Secure Retrieval and Dissemination of Information in Distributed and Wireless Specific Purpose Environments 会议详情:“分布式和无线特定目的环境中信息的安全检索和传播”专题会议
Proceedings of the 18th Panhellenic Conference on Informatics Pub Date : 2014-10-02 DOI: 10.1145/3246866
C. Skourlas, E. Galiotou, P. Belsis
{"title":"Session details: Special Session in Secure Retrieval and Dissemination of Information in Distributed and Wireless Specific Purpose Environments","authors":"C. Skourlas, E. Galiotou, P. Belsis","doi":"10.1145/3246866","DOIUrl":"https://doi.org/10.1145/3246866","url":null,"abstract":"","PeriodicalId":402367,"journal":{"name":"Proceedings of the 18th Panhellenic Conference on Informatics","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-10-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129937584","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Evaluating Low Interaction Honeypots and On their Use against Advanced Persistent Threats 评估低交互蜜罐及其对高级持续性威胁的使用
Proceedings of the 18th Panhellenic Conference on Informatics Pub Date : 2014-10-02 DOI: 10.1145/2645791.2645850
Dimitris Fronimos, E. Magkos, V. Chrissikopoulos
{"title":"Evaluating Low Interaction Honeypots and On their Use against Advanced Persistent Threats","authors":"Dimitris Fronimos, E. Magkos, V. Chrissikopoulos","doi":"10.1145/2645791.2645850","DOIUrl":"https://doi.org/10.1145/2645791.2645850","url":null,"abstract":"In this paper we evaluate several Low Interaction Honeypots (LIHs) according to several usability and performance criteria. Furthermore we argue on the utilization of LIHs that could indicate early signs of jeopardy from Advanced Persistent Threats (APT).","PeriodicalId":402367,"journal":{"name":"Proceedings of the 18th Panhellenic Conference on Informatics","volume":"13 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-10-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130846200","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 7
Higher Order Finite Difference Scheme for solving 3D Black-Scholes equation based on Generic Factored Approximate Sparse Inverse Preconditioning using Reordering Schemes 用重排序格式求解三维Black-Scholes方程的高阶有限差分格式
Proceedings of the 18th Panhellenic Conference on Informatics Pub Date : 2014-10-02 DOI: 10.1145/2645791.2645821
E. G. Grylonakis, C. Filelis-Papadopoulos, G. Gravvanis
{"title":"Higher Order Finite Difference Scheme for solving 3D Black-Scholes equation based on Generic Factored Approximate Sparse Inverse Preconditioning using Reordering Schemes","authors":"E. G. Grylonakis, C. Filelis-Papadopoulos, G. Gravvanis","doi":"10.1145/2645791.2645821","DOIUrl":"https://doi.org/10.1145/2645791.2645821","url":null,"abstract":"In the area of derivatives pricing, the key model for the theoretical evaluation of options is the Black-Scholes partial differential equation. In this paper we present a fourth order accurate discretization scheme in conjunction with Richardson extrapolation method, while for the time integration we consider high order implicit Backward Differences along with an implicit Runge-Kutta method for the numerical solution of the Black-Scholes equation in three space variables. The resulting sparse linear system is solved by the Preconditioned Biconjugate Gradient Stabilized (PBiCG-STAB) method, in conjunction with the Modified Generic Factored Approximate Sparse Inverse (MGenFAspI) scheme, based on approximate inverse sparsity patterns, using reordering schemes. Numerical results indicating the applicability along with discussions concerning the implementation issues of the proposed schemes are presented.","PeriodicalId":402367,"journal":{"name":"Proceedings of the 18th Panhellenic Conference on Informatics","volume":"19 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-10-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129591671","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Directions for Raising Privacy Awareness in SNS Platforms 社交网络平台隐私意识提升方向
Proceedings of the 18th Panhellenic Conference on Informatics Pub Date : 2014-10-02 DOI: 10.1145/2645791.2645794
Konstantina Vemou, Maria Karyda, S. Kokolakis
{"title":"Directions for Raising Privacy Awareness in SNS Platforms","authors":"Konstantina Vemou, Maria Karyda, S. Kokolakis","doi":"10.1145/2645791.2645794","DOIUrl":"https://doi.org/10.1145/2645791.2645794","url":null,"abstract":"Members of online social networks are often under an illusion of privacy, underestimating privacy risks related to their personal information published in their profiles. Current literature identifies privacy awareness as a key factor for enhancing user privacy. This paper identifies awareness raising applications and explores the effectiveness of awareness tools and practices currently employed by six popular SNS platforms, through a combined approach of literature review and experimental use. Our findings illustrate that awareness practices differ significantly among platforms and fail to promote awareness. We also show that effective awareness raising tools, such as privacy signalling and visualization applications, are overlooked and propose directions to further enhance privacy awareness mechanisms in SNS platforms.","PeriodicalId":402367,"journal":{"name":"Proceedings of the 18th Panhellenic Conference on Informatics","volume":"49 9","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-10-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114021178","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 6
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