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Dissertations / Theses on the topic 'PDF'

Author: Grafiati

Published: 4 June 2021

Last updated: 25 July 2025

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1

Gustavsson, Lukas. "PDF Eagle : A PDF viewer in Qt." Thesis, Linköpings universitet, RTSLAB - Laboratoriet för realtidssystem, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-76907.

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To keep up in the rapidly changing market for smart mobile phones, newways of consuming information is needed. In this master thesis project aPortable Document Format (PDF) viewer with more features than existingPDF viewers for Symbian^3 was developed, called PDF Eagle. PDF Eaglewas implemented using the Qt framework, allowing it to be easily ported todierent platforms. PDF documents have a rich structure and to be fullycompatible with the standard and at the same time responsive enough to berun on a mobile platform is a formidable technical challenge. This reportdescribes the issues that had

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2

Håkansson, Filip. "3D PDF." Thesis, Jönköping University, JTH, Civil Engineering, 2008. http://urn.kb.se/resolve?urn=urn:nbn:se:hj:diva-1341.

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<p>This report is about Adobe Acrobat 3D and their new PDF format witch can contain 3 dimensional models that are interactive. The purpose is to find out if the program and the format work in a level that is suitable for the market. To create this PDF you need Acrobat 3D installed on your computer but it only needs Acrobat Reader 7 or 8 to open it, and the Reader is free to download on the internet.</p><p>The examination is focusing on four formats: U3D, 3DS, DWG and DXF because they are the most common in the building industry seen from the architects’ way. From a 3D model exported to these f

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3

Radits, Markus. "The Affective PDF Reader." Thesis, Växjö University, School of Mathematics and Systems Engineering, 2010. http://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-7033.

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<p>The Affective PDF Reader is a PDF Reader combined with affect recognition systems. The aim of the project is to research a way to provide the reader of a PDF with real - time visual feedback while reading the text to influence the reading experience in a positive way. The visual feedback is given in accordance to analyzed emotional states of the person reading the text - this is done by capturing and interpreting affective information with a facial expression recognition system. Further enhancements would also include analysis of voice in the computation as well as gaze tracking software to

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4

Köbe, Rolf. "PDF - Ein überflüssiges Format?" Universitätsbibliothek Chemnitz, 1998. http://nbn-resolving.de/urn:nbn:de:bsz:ch1-199800381.

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5

Dai, Haobing. "Malicious PDF Document Analysis." Thesis, Högskolan i Gävle, Avdelningen för Industriell utveckling, IT och Samhällsbyggnad, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:hig:diva-15466.

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With the development of network and information technology, E-mail has became increasingly popular and the society’s indispensable needs. However, virus spreading via the email are also increasing. The Email attachment, such as, PDF documents, EXE programs, can spread viruses from one computer to another computer. PDF documents are one of the widely used reading or sharing documents, and the attackers are using malicious PDF documents increasingly. In this paper, in order to detect the viruses in the PDF document, I have analyzed the file structure, document structure and objects. I select two

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König, Ralf. "PDF in Theorie und Praxis." Universitätsbibliothek Chemnitz, 2004. http://nbn-resolving.de/urn:nbn:de:swb:ch1-200401444.

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7

Šústek, Ladislav. "Nástroj pro transformace dokumentů PDF." Master's thesis, Vysoké učení technické v Brně. Fakulta informačních technologií, 2008. http://www.nusl.cz/ntk/nusl-235951.

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Result of my diploma work is library for Java programming language. Which transform PDF to XHTML files using by open source library PDFBox and FONTBox. Final XHTML file is made by CSS style which allows its easier modification. Library extracts text, images and graphic objects from PDF.

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8

CANDIDO, ALESSANDRO. "THEORY PREDICTIONS FOR PDF FITTING." Doctoral thesis, Università degli Studi di Milano, 2023. https://hdl.handle.net/2434/951256.

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Parton Distribution Functions (PDF) are the theoretical object describing the colliding hadron structure, arising from the factorization property of perturbative Quantum Chromodynamics (QCD). However, these objects encode the content of the non-perturbative dynamics of large scale QCD, and it is not currently possible to compute them from first principles with the available techniques. But their universality, that is a direct consequence of factorization, allows determining PDFs from experimental data, and use the extracted value to make predictions even for any kind of processes. The main p

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9

Sontag, Ralph. "HTML und PDF - Konkurrenz oder Ergänzung?" Universitätsbibliothek Chemnitz, 2001. http://nbn-resolving.de/urn:nbn:de:bsz:ch1-200100355.

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Gemeinsamer Workshop von Universitaetsrechenzentrum und Professur "Rechnernetze und verteilte Systeme" der Fakultaet fuer Informatik der TU Chemnitz. Workshop-Thema: Mobilitaet Eine Vielzahl von Browsern und anderen Werkzeugen analysiert, verarbeitet, manipuliert oder erzeugt mehr oder weniger erfolgreich HTML-Dateien. Doch browserspezifische Erweiterungen machen den Nutzern das Leben schwer. Die Übertragung wird dank Firewalls, Filterfunktionen und browserspezifischen Erweiterungen instabil. Lokal gespeicherte Dateien vermeiden dies, erfüllen jedoch andere Wünsche des modernen, mobilen Ler

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10

Donaldson, John P. "Source fingerprinting in adobe PDF files." Thesis, Monterey, California: Naval Postgraduate School, 2013. http://hdl.handle.net/10945/38919.

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Approved for public release; distribution is unlimited.<br>Adobe Portable Document Format (PDF) documents are increasingly used as a vector for targeted attacks. Although there exist a number of tools and methodologies for performing content-level analysis to identify unwanted or malicious behavior or characteristics in these documents, these forms of analysis are hampered by increasingly complex obfuscation techniques and usually require execution of potentially malicious code. This thesis proposes a static analysis method that uses structural elements of PDF documents to identify the tools u

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11

Eriksson, Maria. "Mobile PDF Management in Web Based Applications." Thesis, Uppsala universitet, Institutionen för informationsteknologi, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-347622.

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This thesis aims to investigate and analyze the available technocal solutions for implementing a PDF document viewer in a web based application is to be used in mobile devices. There is also further discussion that explores the possibilities of instead choosing to implement a native application for such a task.

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12

Matheson, Tomas. "Presumed pdf modelling for turbulent spray combustion." Thesis, University of Southampton, 2016. https://eprints.soton.ac.uk/413770/.

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13

Souza, Alan Pinto. "Metadata extraction from scientific documents in PDF." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2014. http://hdl.handle.net/10183/108005.

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A maioria dos artigos científicos estão disponíveis no formato PDF. Este padrão permite a geracão de metadados que são inclusos dentro do documento. Porém, muitos autores não definem esta informação, fazendo esse recurso inseguro ou incompleto. Este fato tem motivado pesquisa que busca extrair metadados automaticamente. A extração automática de metadados foi classificada como uma das tarefas mais desafiadoras na área de engenharia de documentos. Este trabalho propõe Artic, um método para extração de metadados de artigos científicos que aplica um modelo probabilístico em duas camadas baseado em

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14

Santos, André Jerónimo Martins dos. "Automatic and interactive annotation of PDF documents." Master's thesis, Universidade de Aveiro, 2016. http://hdl.handle.net/10773/17886.

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Mestrado em Engenharia de Computadores e Telemática<br>O aumento acelerado da literatura biomédica levou ao desenvolvimento de vários esforços para extrair e armazenar, de forma estruturada, a informação relativa aos conceitos e relações presentes nesses textos, oferecendo aos investigadores e clínicos um acesso rápido e fácil à informação. No entanto, este processo de "curadoria de conhecimento" é uma tarefa extremamente exaustiva, sendo cada vez mais comum o uso de ferramentas de anotação automática, fazendo uso de técnicas de mineração de texto. Apesar de já existirem sistemas de ano

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15

Kunz, Oliver. "PDF-Simulation von Verbrennungsvorgängen in praxisnahen Brennkammern." [S.l. : s.n.], 2003. http://www.bsz-bw.de/cgi-bin/xvms.cgi?SWB10790759.

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16

Wang, Lizhong. "PDF document search within a very large database." Thesis, KTH, Skolan för informations- och kommunikationsteknik (ICT), 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-210714.

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Digital search engine, taking a search request from user and then returning a result responded to the request to the user, is indispensable for modern humans who are used to surfing the Internet. On the other hand, the digital document PDF is accepted by more and more people and becomes widely used in this day and age due to the convenience and effectiveness. It follows that, the traditional library has already started to be replaced by the digital one. Combining these two factors, a document based search engine that is able to query a digital document database with an input file is urgently n

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17

Niemi, Jesper. "Evaluating and comparing tools for generating PDF files." Thesis, Uppsala universitet, Institutionen för informationsteknologi, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-345732.

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There exists many software tools for generating PDF files, some of which have advantages over others. To determine what tool is better than others is of interest when one has a choice to make between different tools; one obviously wants to pick the tool that suits the user the best. In this thesis, four different software tools for generating PDFs, LaTeX, Groff, HTMLDOC and ReportLab, are evaluated under a set of requirements and compared against each other to determine which of these tools fulfills the requirements the best. The evaluation was done by researching literature, manuals and user

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18

Bakosi, József. "PDF modeling of turbulent flows on unstructured grids." Fairfax, VA : George Mason University, 2008. http://hdl.handle.net/1920/3083.

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Thesis (Ph.D.)--George Mason University, 2008.<br>Vita: p. 178. Thesis director: Zafer Boybeyi. Submitted in partial fulfillment of the requirements for the degree of Doctor of Philosophy in Computational Sciences and Informatics. Title from PDF t.p. (viewed June 30, 2008). Includes bibliographical references (p. 168-177). Also issued in print.

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19

Sjöholm, Peter. "The Extendable Guideline for Analysing Malicious PDF Documents." Thesis, Högskolan i Halmstad, Sektionen för Informationsvetenskap, Data– och Elektroteknik (IDE), 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:hh:diva-23192.

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Today, the average computer user has undoubtedly encountered the PDF format while handling electronic documents. Due to its wide-spread popularity and feature richness, PDF documents are commonly utilized by attackers in order to infect systems with malware. This thesis will present The Extendable Guideline for Analysing Malicious PDF Documents. This work will establish the foundation of the guideline and populate it with a part of the analysis process. The guideline relies on earlier published material in the topic. It is a practical guideline that is followed by the use of a flowchart and ca

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20

Svoboda, Ondřej. "Webová aplikace pro fulltextové vyhledávání nad PDF dokumenty." Master's thesis, Vysoké učení technické v Brně. Fakulta informačních technologií, 2012. http://www.nusl.cz/ntk/nusl-236456.

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This master's thesis describes principles of full text search engines, design and implementation of web application for referencing and full text searching in PDF documents. It also contains an overview and comparison with currently available reference management software. There are discussed bibliographic information export possibilities in various citation styles and formats. Final application is written in PHP scripting language and uses MySQL database.

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21

Lemire, Garlic Nicole. "NLG Thesis Appendices Final 5 12 17.pdf." Master's thesis, Temple University Libraries, 2017. http://cdm16002.contentdm.oclc.org/cdm/ref/collection/p245801coll10/id/452949.

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Media Studies & Production<br>M.A.<br>The analysis of mainstream newspaper content has long been mined by communication scholars and researchers for insights into public opinion and perceptions. In recent years, scholars have been examining African-American authored periodicals to obtain similar insights. Hearkening back to the 1950s and 1960s civil rights movement in the United States, the highly-publicized killings of African-American men by police officers during the past several years have highlighted longstanding strained police-community relations. As part of its role as both a reflectio

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22

Rosén, Gustav. "Analysis of Tabula : A PDF-Table extraction tool." Thesis, Uppsala universitet, Institutionen för informationsteknologi, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-395656.

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PDF is a widely used text document format used by both the private and the public sector. It is designed to create layouts of text and figures on a virtual page. Research groups often publish reports in this format including raw data in tables. The content of PDF-tables can be difficult to extract, an issue the National Food Agency often runs into. Building a PDF-interpreter from the scratch is a complex and overwhelming task but there are plenty of available PDF-Table extractors. While none meet the specific requirements of the National Food Agency the most effective tool, Tabula, is open sou

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23

Ho, Yu-Feng. "PDF Receipts: A micro-based-payment web service." CSUSB ScholarWorks, 2004. https://scholarworks.lib.csusb.edu/etd-project/2714.

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The purpose of this project is to design, build and implement an instance of a specified online payment system, which is based on micro-payments. The three components for this system are a bookstore, a receipt service and a currency issuer.

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Wang, Yingzhuo. "PDF shopping system with the lightweight currency protocol." CSUSB ScholarWorks, 2005. https://scholarworks.lib.csusb.edu/etd-project/2820.

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This project is a web application for two types of bookstores an E-Bookstore and a PDF-Bookstore. Both are document sellers, however, The E-Bookstore is not a currency user. The PDF-Bookstore sells PDF documents and issues a lightweight currency called Scart. Customers can sell their PDF documents to earn Scart currency and buy PDF documents by paying with Scart.

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25

Asif, Muhammad. "Customization of Docbook to Generate PDF, HTM & CHM." Thesis, Linköping University, Department of Computer and Information Science, 2009. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-52484.

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<p>Software documentation is an important aspect of software projects. Software documentation plays a key role in software</p><p>development if it is up-to-date and complete. Software documentation should have the synchronization with the software</p><p>development. One of the problems is duplication; same information is written in different documents and stored in different</p><p>places with different formats making things complex to manage. By using traditional documentation tools, it’s hard to maintain</p><p>documentation for complex systems and it is time consuming.</p><p>To overcome these

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26

Krakhellen, Bente. "Tilgjengelighet til Word- og PDF- dokument for blinde skjermleserbrukere." Thesis, Norges teknisk-naturvitenskapelige universitet, Pedagogisk institutt, 2013. http://urn.kb.se/resolve?urn=urn:nbn:no:ntnu:diva-23436.

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Formål: Formålet med denne undersøkelsen har vært å finne ut om det er forskjell på tilgjengeligheten til Word- og PDF-dokument for blinde skjermleserbrukere når dokumentene er universelt utformet. Metode: Det er benyttet en empirisk, kvantitativ metode for å finne svar på problemstillingen, og designet baserer seg på besøksintervju. Tilgjengelighetsbegrepet er splittet i to. En teknisk orientert komponent som jeg har kalt tilgang og en brukervennlighetskomponent jeg har kalt brukervennlighet. Spørreskjemaet jeg benyttet inneholdt flere praktiske oppgaver som informantene skulle løse med sine

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27

Lovegrove, Will. "Advanced document analysis and automatic classification of PDF documents." Thesis, University of Nottingham, 1996. http://eprints.nottingham.ac.uk/13967/.

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This thesis explores the domain of document analysis and document classification within the PDF document environment The main focus is the creation of a document classification technique which can identify the logical class of a PDF document and so provide necessary information to document class specific algorithms (such as document understanding techniques). The thesis describes a page decomposition technique which is tailored to render the information contained in an unstructured PDF file into a set of blocks. The new technique is based on published research but contains many modifications w

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Zhu, Min. "Modelling and simulation of spray combustion with PDF methods." Thesis, University of Cambridge, 1996. https://www.repository.cam.ac.uk/handle/1810/272496.

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Dodoulas, Ilias. "Application of LES-PDF methods on turbulent reacting flows." Thesis, Imperial College London, 2015. http://hdl.handle.net/10044/1/30786.

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This research concerns the application of the Probability Density Function (PDF) on Large Eddy Simulations (LES) of turbulent reacting flows in a wide range of open flame configurations spanning between the premixed and non-premixed regime. The aim is to validate the applicability of the PDF model on a wide range of flames without any special treatment. Additionally, the \textit{a-posteriori} Chemical Exposive Mode Analysis (CEMA) has been applied to the results in order to examine the flame structure and identify locations of extinction, re-ignition, etc. Four different series of flames are s

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Fast, Ruben. "Webbapplikation för recepthantering : Konvertering av recept från PDF till databas." Thesis, Tekniska Högskolan, Högskolan i Jönköping, JTH, Data- och elektroteknik, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:hj:diva-19401.

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31

Vahedipour, Abbas. "Application of pseudo-derivative feedback (PDF) algorithm in ship control." Thesis, University of Exeter, 1990. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.277145.

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Lee, Chang-Wook. "Simulations of ignition in turbulent flows using the PDF method." Thesis, University of Cambridge, 2007. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.613327.

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Руденко, Олександр Борисович, Александр Борисович Руденко, Oleksandr Borysovych Rudenko, А. В. Загребельна, В. О. Колесник та В. М. Лисянський. "Програмне забезпечення процесу створення навчальної літератури у вигляді документу pdf". Thesis, Вид-во СумДУ, 2010. http://essuir.sumdu.edu.ua/handle/123456789/5456.

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Persson, Lars Magnus. "Presumed and transported PDF methods applied to turbulent premixed flames." Thesis, Imperial College London, 2011. http://hdl.handle.net/10044/1/6879.

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The current study focuses on the modelling of turbulent premixed or partially premixed flames over a wide range of combustion regimes using various fuels. Opposed flows featuring fractal-generated turbulence are examined using different classes of models. The reacting case is in the flamelet regime of combustion and two-scalar joint β -bimodal presumed PDF and transported PDF approaches are applied for scalar statistics. In the isothermal case the k − ε model works comparatively well, in contrast to previous studies, while in the reacting case the second moment closures are outperforming the e

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Hossain, Md Maruf. "PDF Calculations of Piloted Turbulent Flames with Inhomogeneous Inlet Conditions." Thesis, The University of Sydney, 2015. http://hdl.handle.net/2123/14218.

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This thesis presents PDF calculations of piloted turbulent flames where the level of inhomogeneity at the inlet varies and different departures from blow-off exist. Five ﬂames are investigated numerically to study their structure in the region where the interactions between turbulence and chemistry are high. These five flames are selected such that two comparable series exist. One series has three flames of the same bulk jet velocity but different compositional conditions at the exit plane, while the other series has the same compositional boundary conditions and increasing jet velocities such

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Flanigan, Edward. "SCALABLE TEST GENERATION FOR PATH DELAY FAULTS." OpenSIUC, 2009. https://opensiuc.lib.siu.edu/dissertations/291.

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Modern day IC design has drawn a lot of attention towards the path delay fault model (PDF) [1], which targets delay defects that affect the timing characteristics of a circuit. Due to the exponential number of paths in modern circuits a subset of critical paths are chosen for testing purposes [2]. Path intensive circuits contain a large number of critical paths whose delays affect the performance of the circuit. This dissertation presents three techniques to improve test generation for path delay faults. The first technique presented in this dissertation avoids testing unnecessary paths by usi

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Hardy, Matthew R. B. "Combining structure and appearance in digital documents using XML and PDF." Thesis, University of Nottingham, 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.403499.

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SOUZA, OBERDAN MIGUEL RODRIGUES DE. "PRESUMED PDF MODEL WITH TABULATED CHEMICAL KINETIC APPLIED FOR SPRAY COMBUSTION." PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO, 2016. http://www.maxwell.vrac.puc-rio.br/Busca_etds.php?strSecao=resultado&nrSeq=30283@1.

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PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO<br>COORDENAÇÃO DE APERFEIÇOAMENTO DO PESSOAL DE ENSINO SUPERIOR<br>PROGRAMA DE EXCELENCIA ACADEMICA<br>Neste trabalho, foi desenvolvida uma modificação do modelo para simulação de sprays Diesel com o método de PDF presumida e cinética química tabulada. Através do acoplamento entre a parte química e a parte turbulenta, avaliou-se os efeitos do spray com a metodologia flamelet. Onde o conceito flamelet trata a chama difusiva e transiente como um conjunto de chamas unidimensionais, utilizando o modelo de PDF presumida para a avaliação dos valores

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Азарова, А. О., та Я. В. Чайковська. "Метод захисту процесів електронного врядування шляхом квантування". Thesis, ВНТУ, 2019. http://ir.lib.vntu.edu.ua//handle/123456789/24192.

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В роботі розглянуто та детально проаналізовано вразливість стеганографічних алгоритмів вбудовування цифрових водяних знаків в PDF файли, а саме на основі квантування.<br>The paper considers and analyzes in detail the vulnerability of the steganographic algorithms for embedding digital watermarks into PDF files, in particular quantization.

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Carrazza, S. "PARTON DISTRIBUTION FUNCTIONS WITH QED CORRECTIONS." Doctoral thesis, Università degli Studi di Milano, 2015. http://hdl.handle.net/2434/284820.

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We present the first unbiased determination of parton distribution functions (PDFs) with electroweak corrections. The aim of this thesis is to provide an exhaustive description of the theoretical framework and the technical implementation which leads to the determination of a set of PDFs which includes the photon PDF and quantum electrodynamics (QED) contributions to parton evolution. First, we introduce and motivate the need of including electroweak corrections to PDFs, providing phenomenological examples and presenting an overview of the current state of the art in PDF fits. The theoretical

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Kuráňová, Silvie. "Interactive PDF Documents in Math Education Focused on Tests for Differential Equations." Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2012. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-80489.

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The progress of blended learning has given rise to the need to prepare quality electronic materials, especially those which use the greatest advantage of an electronic document – its interactivity. This paper presents several types of PDF materials – interactive exercises, tests and games created by LaTeX packages (AcroTeX eDucation Bundle) with a contribution of other supporting instruments (3D graphics, fancytooltips, AcroFLeX). Differential equations, as an important tool of continuous mathematical modeling, have been chosen to demonstrate the still increasing power of PDF documents. This s

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Couzinet, Anthony. "Approche PDF jointe fluide-particule pour la modélisation des écoulements turbulents diphasiques anisothermes." Phd thesis, Toulouse, INPT, 2008. http://oatao.univ-toulouse.fr/7633/1/couzinet.pdf.

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Le contexte général de cette thèse s'inscrit dans le cadre de la modélisation des écoulements turbulents à phase dispersée anisothermes. Les travaux réalisés portent sur la compréhension et la modélisation statistique des mécanismes de transport de température de particules solides dans un écoulement d'air turbulent. Des simulations numériques directes (DNS) couplées aux calculs de trajectoires, de vitesses et de températures de plusieurs dizaines de milliers de particules par simulations de particules discrètes (DPS) ont été menées pour une configuration académique de turbulence homogène isot

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Edström, Alexander, and Nathalie Jangå. "Fakturahantering företag till företag : En studie kring två olika tillvägagångssätt (Post&PDF)." Thesis, Linnéuniversitetet, Institutionen för informatik (IK), 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-44682.

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Att fakturera är något som alla företag måste göra för att tjäna pengar. Fakturering kan ske på flera olika sätt och det finns olika åsikter vad som är att föredra bland företag när det handlar om hantering av fakturor. Teorin menar på att använda sig av elektroniska faktureringssätt är mer effektivt än fakturering via traditionell post. Syftet med denna forskning var att ta reda på varför företag i Sverige år 2015 väljer att skicka, mottaga och hantera fakturor med post när det finns alternativa metoder som PDF via mail och vad det är som gör att företag inte byter från det ena förhållningssä

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Schopflocher, Thomas P. "The representation of the scalar concentration PDF in turbulent flows as a mixture." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape9/PQDD_0013/NQ40289.pdf.

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Jorge, Leandro Silva. "Detecção de intrusão em redes de computadores com estatísticas PDF e classificadores neurais." Universidade Presbiteriana Mackenzie, 2006. http://tede.mackenzie.br/jspui/handle/tede/1435.

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Made available in DSpace on 2016-03-15T19:37:47Z (GMT). No. of bitstreams: 1 LEANDRO_JORGE_ENG.pdf: 1440194 bytes, checksum: ee0f29b7d9c5a94f4c02a4381d985780 (MD5) Previous issue date: 2006-08-19<br>This work is a study about architectures, methods and results on computer networks intrusion detection to avoid Denial-of-Services attacks. The main techniques used were: packet-oriented window observation, structured hierarchical processes, anomaly based network intrusion detection by monitoring several network traffic parameters simultaneously. The Probability Density Function (PDF) has been us

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Haeri, S. "Hierarchical modelling of multiphase flows using fully resolved fixed mesh and PDF approaches." Thesis, University of Southampton, 2012. https://eprints.soton.ac.uk/348830/.

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Fully–resolved simulations of multiphase flow phenomena and in particular particulate flow simulations are computationally expensive and are only feasible on massively parallel computer clusters. A 3D SIMPLE type pressure correction algorithm is implemented and extensively tested and parallelized to exploit the power of massively parallel computing clusters currently available. Domain decomposition and communication schemes applicable to a general unstructured or structured multi–block CFD codes are discussed and algorithms are proposed, implemented and tested. Several high–performance linear

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Esplund, Emil, and Elin Gosch. "Digitalisering av individuell studieplan : Från PDF till en grund för ett digitalt system." Thesis, Uppsala universitet, Institutionen för informatik och media, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-413553.

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Denna uppsats ämnar belysa om det går att digitalisera den individuella studieplanen på en institution vid Uppsala universitet. Digitalisering anses vara en av de största trenderna som påverkar dagens samhälle och det har visats bidra till ökad tillgänglighet och effektivitet inom offentlig förvaltning. Vid Uppsala universitet finns det i dagsläget behov av ett digitalt system för hanteringen av den individuella studieplanen. Studieplanen hanteras för tillfället som ett papper i form av en PDF och upplevs enligt tidigare studier, som ett mindre bra planerings- och uppföljningsverktyg. Forsknin

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Hatoum, Makram. "Digital watermarking for PDF documents and images : security, robustness and AI-based attack." Thesis, Bourgogne Franche-Comté, 2020. http://www.theses.fr/2020UBFCD016.

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Le développement technologique a ses avantages et ses inconvénients. Nous pouvons facilement partager et télécharger du contenu numérique en utilisant l’Internet. En outre, les utilisateurs malveillants peuvent aussi modifier, dupliquer et diffuser illégalement tout type d'informations, comme des images et des documents. Par conséquent, nous devons protéger ces contenus et arrêter les pirates. Le but de cette thèse est de protéger les documents PDF et les images en utilisant la technique de tatouage numérique Spread Transform Dither Modulation (STDM), tout en tenant compte des exigences princi

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Lad, Bharat. "A computational method for simulating dispersed two-phase flows using the PDF approach." Thesis, Imperial College London, 2010. http://hdl.handle.net/10044/1/6030.

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The thesis presents a Probability Density Function (PDF)-derived Eulerian/Eulerian model for the prediction of dispersed two-phase (solid/gas) flows. Continuum equations for the dispersed phase are formulated from the Kinetic Model (KM) PDF transport equations. The Kinetic stresses of the dispersed phase are determined from an algebraic stress model (ASM) together with a KM-based transport equation for the fluctuating kinetic energy. The continuum equations for the continuous phase are assumed to be the same as those in the Eulerian two-fluid model except for the interfacial momentum and energ

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Xue, Furong. "Automatic semantic header generator for PDF documents." Thesis, 2003. http://spectrum.library.concordia.ca/2364/1/MQ91140.pdf.

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The Concordia INdexing and DIscovery system (CINDI) is an information discovery and retrieval system to enable a reader to discover resources from a bibliographic database. It uses a metadata description called semantic header to describe an information resource, whose content includes title, author name, the subject and sub-subject, etc. Automatic Semantic Header Generator (ASHG) is used to generate a draft version of the semantic header from a resource automatically. The existing system can deal with four special document formats: HTML, TEXT, LATEX, and RTF. Since more and more people use P

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