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Using an XML schema to validate a formal hardware compiler

Using an XML schema to validate a formal hardware compiler

引用

5th International Workshop on Semantic Media Adaptation and Personalization, SMAP 2010

作者： Dossis, Michael F. Dep. of Informatics and Computer Technology TEI of West Macedonia Greece

ISBN: (纸本)9781424486007

The complexity of current mixed software/hardware custom digital systems, has led to the requirement for automated high-level synthesis of the system from abstract, executable specifications, in order to drastically reduce the long development cycles. This paper introduces an approach to validate the hardware compilation process of a formal, high-level synthesizer, using provably-correct logic programming and XML schema techniques via an intelligent inference engine. The XML schema definition model is automatically generated from a formal intermediate format which forms the basis of connection and data exchange between the front-end and the back-end phases of the hardware compiler. The proposed methodology and the prototype tools are evaluated with results from real life applications such as graphics applications and an MPEG video compression engine. © 2010 IEEE.

关键词： Logic programming

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Ensemble SVM for imbalanced data and missing values in postoperative risk management

Ensemble SVM for imbalanced data and missing values in posto...

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2013 IEEE 15th International Conference on e-Health Networking, Applications and Services, Healthcom 2013

作者： Zieba, Maciej Swiatek, Jerzy Wroclaw University of Technology Dep. of Computer Science and Management Institute of Informatics Poland

ISBN: (纸本)9781467358019

In this work, we propose the ensemble SVM that solves the problem of missing values of attributes and the imbalanced data phenomenon in the domain of postoperative risk management. Contrary to the other approaches the our solution effectively deals with the problems of high percentage of unknown values of the features. The problem of imbalanced data is solved by applying the cost-sensitive SVM as a base classifier of an ensemble, The quality of the proposed classifier is examined on a real-life dataset. © 2013 IEEE.

关键词： Classification (of information)

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Evaluating flexibility degrees in optical networks

Evaluating flexibility degrees in optical networks

引用

Optical Fiber Communication Conference, OFC 2015

作者： Christodoulopoulos, Konstantinos Varvarigos, Emmanouel Manos Computer Engineering and Informatics Dep. University of Patras Computer Technology Institute and Press -Diophantus Patra Greece

We consider an IP over flexgrid network and present a joint IP routing, distance-adaptive routing and spectrum allocation formulation. We evaluate the performance of fixed- and flex-grid switches, fixed transponders, ... 详细信息

ISBN: (纸本)9781557529374

关键词： Optical fibers

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Reliability assessment of models for risk stratification: A knowledge-based approach 24

Reliability assessment of models for risk stratification: A ...

引用

24th IEEE International Conference on Data Mining Workshops, ICDMW 2024

作者： Zhao, Zhan Gil, Paulo Loureiro, Joao Petrella, Lorena Henriques, Jorge University of Coimbra CISUC Dep. of Informatics Engr. Coimbra Portugal University of Coimbra CISUC Portugal NOVA School of Sci. and Technology CTS Dep. of Electrical and Computer Engr. Portugal

ISBN: (纸本)9798331530631

The present work proposes a framework aiming to develop reliability metrics for model predictions, integrating a priori clinical knowledge with data and emphasising feature relevance. The approach combines clinical knowledge, represented as rules, with selected features, such as risk factors, where their significance is captured through assigned weights. Validation of the proposed methodology is conducted using the Global Registry of Acute Coronary Events (GRACE) risk model, applied to a dataset from the Centro Hospitalar e Universitário de Coimbra, focusing on risk assessment. The results demonstrate that these reliability metrics are closely linked to the performance of individual GRACE predictions, enabling the identification of cases or groups where the GRACE model yields reliable or unreliable predictions. This framework provides a valuable supplementary metric to existing global risk models. © 2024 IEEE.

关键词： Prediction models

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Dynamic secure aspect modeling with UML: From models to code 05

引用

8th International Conference on Model Driven Engineering Languages and Systems, MoDELS 2005

作者： Jürjens, Jan Houmb, Siv Hilde Software and Systems Engineering Dep. of Informatics TU Munich Germany Department of Computer and Information Science Norwegian University of Science and Technology Norway

ISBN: (纸本)3540290109

Security engineering deals with modeling, analysis, and implementation of complex security mechanisms. The dynamic nature of such mechanisms makes it difficult to anticipate undesirable emergent behavior. In this work, we propose an approach to develop and analyze security-critical specifications and implementations using aspect-oriented modeling. Since we focus on the dynamic views of a system, our work is complementary to existing approaches to security aspects mostly concerned with static views. Our approach includes a link to implementations in so far as the code which is constructed from the models can be analyzed automatically for satisfaction of the security requirements stated in the UML diagrams. We present tool support for our approach. © Springer-Verlag Berlin Heidelberg 2005.

关键词： Security of data

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A mechanism for multicast multimedia data with adaptive QoS characteristics 6

引用

6th International Conference on Protocols for Multimedia Systems, PROMS 2001

作者： Bouras, Christos Gkamas, A. Computer Engineering and Informatics Dep. Univ. Of Patras PatrasGR26500 Greece Computer Technology Institute Riga Feraiou 61 PatrasGR 26221 Greece

ISBN: (纸本)9783540427087

In this paper, we describe a mechanism for adaptive transmission of multimedia data, which is based on real time protocols. The proposed mechanism can be used for multicast multimedia data over heterogeneous networks, like the Internet, and has the capability to adapt the transmission of the multimedia data to network changes. In addition, the adaptive multicast transmission mechanism uses an inter-receiver fairness function in order to treat the group of receivers with fairness in a heterogeneous environment. The proposed mechanism uses a "friendly" to the network users congestion control policy to control the transmission of the data. We evaluate the adaptive multicast transmission mechanism through a number of simulations in order to examine its fairness to the group of receivers and its behavior against TCP and UDP data streams. © Springer-Verlag Berlin Heidelberg 2001.

关键词： Heterogeneous networks

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A statistical learning approach to spatial context exploitation for semantic image analysis

A statistical learning approach to spatial context exploitat...

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International Conference on Pattern Recognition

作者： Papadopoulos, G.Th. Mezaris, V. Kompatsiaris, I. Strintzis, M.G. Electrical and Computer Eng. Dep. Aristotle Univ. of Thessaloniki Greece Informatics and Telematics Institute Centre for Research and Technology Hellas Greece

ISBN: (纸本)9780769541099

In this paper, a statistical learning approach to spatial context exploitation for semantic image analysis is presented. The proposed method constitutes an extension of the key parts of the authors' previous work on spatial context utilization, where a Genetic Algorithm (GA) was introduced for exploiting fuzzy directional relations after performing an initial classification of image regions to semantic concepts using solely visual information. In the extensions reported in this work, a more elaborate approach is followed during the spatial knowledge acquisition and modeling process. Additionally, the impact of every resulting spatial constraint on the final outcome is adaptively adjusted. Experimental results as well as comparative evaluation on three datasets of varying complexity in terms of the total number of supported semantic concepts demonstrate the efficiency of the proposed method. © 2010 IEEE.

关键词： Genetic algorithms

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Using an XML schema to validate a formal hardware compiler

Using an XML schema to validate a formal hardware compiler

引用

International Workshop on Semantic Media Adaptation and Personalization (SMAP)

作者： F. Dossis Michael Dep. of Informatics & Computer Technology TEI of West Macedonia

关键词： Hardware XML Syntactics Engines Semantics Program processors Logic programming

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An Enhanced Method for Detecting Attack in Collaborative Recommender System 1

An Enhanced Method for Detecting Attack in Collaborative Rec...

引用

1st International Conference in Advanced Innovation on Smart City, ICAISC 2023

作者： Zayed, Reda A. Hefny, Hesham A. Ibrahim, Lamiaa F. Salman, Hesham A. Cairo University Faculty of Graduate Studies for Statistical Research Computer Scinces Dep. Cairo Egypt Everyone's Smart University College of Informatics United Arab Emirates Higher Institute for Computers & Information Technology ElShorouk Management Information System Dep. Cairo Egypt

ISBN: (纸本)9781665472753

In recent decades, the advent of digital information services by YouTube, Amazon, Netflix, and many other web services of this kind have made recommendation systems more and more ubiquitous in our lives. rice field. The system suggests and recommends articles to the user that may interest the user in online advertising (recommending and suggesting appropriate content to the user that matches the user's tastes and activities). Recommendation systems have become an integral part of our daily online journeys. The quality of predictions is degraded by the attackers by injection of fake profiles. therefore, the shilling attacks detection are necessary. thus, various shilling attacks detection techniques proposed. In this paper, we introduce an enhanced technique for detecting shilling attacks in collaborative recommender system using supervised learning techniques. The proposed method results show that getting better accuracy when we employee ensemble learning algorithm. © 2023 IEEE.

关键词： Recommender systems

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Mining and estimating users' opinion strength in forum texts regarding governmental decisions

Mining and estimating users' opinion strength in forum texts...

引用

8th International Workshop on Artificial Intelligence Applications and Innovations, AIAI 2012: AIAB, AIeIA, CISE, COPA, IIVC, ISQL, MHDW, and WADTMB

作者： Stylios, George Tsolis, Dimitrios Christodoulakis, Dimitrios Technical Educational Institute of Ionian Islands Dept. of Applications of Information Technology in Administration and Economy 3100 Lefkas Greece University of Patras Computer Engineering and Informatics Dep. 26504 Patras Greece

ISBN: (纸本)9783642334115

Web 2.0 has facilitated interactive information sharing on the WWW, allowing users the opportunity to articulate their opinions on different topics. In this framework, certain practices implement information monitoring systems so as digests, reports on keywords and thematic queries regarding opinions on government decisions to be created. Analysis of rubrics associations, primary semantic and statistical interpretation of the texts is usually carried out. It is, on the other hand, rather difficult to get punctual predicts and estimate sufficiently forum users' opinion strength. In this work we present a methodology which automatically mines and estimates the strength of users' opinions on text forums regarding government decisions. According to our methodology, quantitative features are automatically mined from forum posts and then passed to a Support Vector Machine based classifier where the users' opinion strength is estimated. The proposed methodology has been validated in real data and initial experimental results are presented. © 2012 IFIP International Federation for Information Processing.

关键词： Sentiment analysis

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