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  • 1
    Publication Date: 2024-01-29
    Description: The Robust Perron Cluster Analysis (PCCA+) has become a popular spectral clustering algorithm for coarse-graining transition matrices of nearly decomposable Markov chains with transition states. Originally developed for reversible Markov chains, the algorithm only worked for transition matrices with real eigenvalues. In this paper, we therefore extend the theoretical framework of PCCA+ to Markov chains with a complex eigen-decomposition. We show that by replacing a complex conjugate pair of eigenvectors by their real and imaginary components, a real representation of the same subspace is obtained, which is suitable for the cluster analysis. We show that our approach leads to the same results as the generalized PCCA+ (GPCCA), which replaces the complex eigen-decomposition by a conceptually more difficult real Schur decomposition. We apply the method on non-reversible Markov chains, including circular chains, and demonstrate its efficiency compared to GPCCA. The experiments are performed in the Matlab programming language and codes are provided.
    Language: German
    Type: article , doc-type:article
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  • 2
    Publication Date: 2024-02-27
    Language: German
    Type: incollection , doc-type:Other
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  • 3
    Publication Date: 2024-06-13
    Description: Nirmatrelvir/Ritonavir is an oral treatment for mild to moderate COVID-19 cases with a high risk for a severe course of the disease. For this paper, a comprehensive literature review was performed, leading to a summary of currently available data on Nirmatrelvir/Ritonavir’s ability to reduce the risk of progressing to a severe disease state. Herein, the focus lies on publications that include comparisons between patients receiving Nirmatrelvir/Ritonavir and a control group. The findings can be summarized as follows: Data from the time when the Delta-variant was dominant show that Nirmatrelvir/Ritonavir reduced the risk of hospitalization or death by 88.9% for unvaccinated, non-hospitalized high-risk individuals. Data from the time when the Omicron variant was dominant found decreased relative risk reductions for various vaccination statuses: between 26% and 65% for hospitalization. The presented papers that differentiate between unvaccinated and vaccinated individuals agree that unvaccinated patients benefit more from treatment with Nirmatrelvir/Ritonavir. However, when it comes to the dependency of potential on age and comorbidities, further studies are necessary. From the available data, one can conclude that Nirmatrelvir/Ritonavir cannot substitute vaccinations; however, its low manufacturing cost and easy administration make it a valuable tool in fighting COVID-19, especially for countries with low vaccination rates.
    Language: German
    Type: article , doc-type:article
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  • 4
    Publication Date: 2024-07-08
    Description: Das Papier gibt Hinweise zu URIs (Uniform Resource Identifiers) im GLAM-Sektor.
    Language: German
    Type: other , doc-type:Other
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  • 5
    Title: Künstliche Intelligenz und wissenschaftliches Arbeiten : ChatGPT & Co.: Der Turbo für ein erfolgreiches Studium
    Author: Bucher, Ulrich
    Contributer: Holzweißig, Kai , Schwarzer, Markus
    Publisher: München :Verlag Franz Vahlen,
    Year of publication: 2024
    Pages: X, 181 Seiten
    ISBN: 978-3-8006-7322-3
    Type of Medium: Book
    Language: German
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  • 6
    Title: Anwendungen mit GPT-4 und ChatGPT entwickeln : intelligente Chatbots, Content-Generatoren und mehr erstellen
    Author: Caelen, Olivier
    Contributer: Blete, Marie-Alice
    Edition: 1. Auflage
    Publisher: Heidelberg :O'Reilly,
    Year of publication: 2024
    Pages: 158 Seiten
    ISBN: 978-3-96009-241-4
    Type of Medium: Book
    Language: German
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  • 7
    Book
    Book
    Stuttgart :Klett-Cotta,
    Title: ¬Eine¬ kurze Geschichte der Künstlichen Intelligenz /
    Author: Wildenhain, Michael
    Publisher: Stuttgart :Klett-Cotta,
    Year of publication: 2024
    Pages: 119 Seiten
    ISBN: 978-3-7681-9824-0
    Type of Medium: Book
    Language: German
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  • 8
    Title: Nachrichtentechnische Zeitschrift : NTZ ; Zeitschrift für Informationstechnik u. Telekommunikation ; Organ der Nachrichtentechnischen Gesellschaft im VDE
    Contributer: Nachrichtentechnische Gesellschaft / Fachausschuß Informationsverarbeitung
    Publisher: Berlin :VDE-Verl.,
    Year of publication: 1955-1995
    Dates of Publication: 8.1955,10 - 40.1987,2; 40.1987,6 - 48.1995,2
    ISSN: 0027-707X
    Type of Medium: Journal/Serial
    Language: Undetermined
    Former Title: Vorg. ---〉:Fernmeldetechnische Zeitschrift
    Subsequent Title: 40.1987,3-5 u. Forts. ---〉:NTZ
    Note: Mikro-Elektronik
    Additional Information: Beih. ---〉:Nachrichtentechnische Fachberichte
    Additional Information: Index 1/10=11 von:Nachrichtentechnische Fachberichte
    Parallel Title: CD-ROM-Ausg. 1994 - 1995 ---〉:Elektronisches Zeitschriftenarchiv
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  • 9
    Journal/Serial
    Journal/Serial
    Oxford [u.a.] :Pergamon Press, ; 1.1960 - 19.1995
    Title: Annual review in automatic programming
    Publisher: Oxford [u.a.] :Pergamon Press,
    Year of publication: 1960-1995
    Dates of Publication: 1.1960 - 19.1995
    ISSN: 0066-4138
    Type of Medium: Journal/Serial
    Language: Undetermined
    Subsequent Title: Forts. ---〉:Annual reviews in control
    Additional Information: 1=3; 2=6, 3=11, 4=12; 5=13,2 von:International tracts in computer science and technology and their application
    Additional Information: 8=7; 9,2/3=8; 10=10; 11=11; 13,1=13; 14,1=15 von:Real time programming
    Additional Information: 12,1-12,2=2 von:Systems analysis and simulation
    Additional Information: 13,2=5 von:Control applications of nonlinear programming and optimization
    Parallel Title: Internetausg. ---〉:Annual reviews in control
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  • 10
    Title: SIGPLAN notices : a monthly publication of the Special Interest Group on Programming Languages of the Association for Computing Machinery
    Author: Association for Computing Machinery / Special Interest Group on Programming Languages
    Publisher: New York, NY :ACM,
    Year of publication: 1966-1991
    Dates of Publication: 1.1966 - 26.1991,9u.11
    ISSN: 0362-1340
    Type of Medium: Journal/Serial
    Language: Undetermined
    Subsequent Title: 26.1991,10 u. Forts. ---〉:Association for Computing Machinery / Special Interest Group on Programming Languages: ACM SIGPLAN notices
    Additional Information: 6,2=1971 von:Symposium on Data Structures in Programming Languages: Proceedings of a Symposium on Data Structures in Programming Languages
    Additional Information: 17,4=10,2; 22,10=15,5; 24,spec.iss.=17,2; 26,4=19,2 von:Computer architecture news
    Additional Information: 21,10=1986 von:Workshop on Object Oriented Programming: Transcript
    Additional Information: 11,6=10,1 von:Computer graphics
    Additional Information: 16,6=2,1/2 von:Association for Computing Machinery / Special Interest Group on Office Automation: SIGOA newsletter
    Additional Information: 14,8=1979; 17,6=1982; 19,6=1984; 21,7=1986 von:Symposium on Compiler Construction: Proceedings of the SIGPLAN Symposium on Compiler Construction
    Additional Information: 20,7=1985 von:Symposium on Language Issues in Programming Environments: Proceedings of the ACM SIGPLAN ... Symposium on Language Issues in Programming Environments
    Additional Information: 19,5=1; 22,1=2; 24,2=3 von:Software Engineering Symposium on Practical Software Development Environments: Proceedings of the ACM SIGSOFT SIGPLAN Software Engineering Symposium on Practical Software Development Environments
    Additional Information: 22,10=2; 24,spec.iss.=3 von:International Conference on Architectural Support for Programming Languages and Operating Systems: Proceedings
    Additional Information: 23,7=1988; 24,7=1989; 25,6=1990 von:Conference on Programming Language Design and Implementation: Proceedings of the SIGPLAN ... Conference on Programming Language Design and Implementation
    Additional Information: 21,11=1; 22,12=2; 23,11=3; 24,10=4 von:OOPSLA: Conference proceedings
    Additional Information: 22,10=21,4; 24,spec.iss.=23,spec.iss.; 26,4=25,spec.iss. von:Operating systems review
    Additional Information: 17,4=1982 von:Symposium on Architectural Support for Programming Languages and Operating Systems: Proceedings
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  • 11
    Title: Elektronische Rechenanlagen : Informationstechnik: Computer, Systeme, Anwendungen
    Contributer: Nachrichtentechnische Gesellschaft / Fachausschuß Informationsverarbeitung
    Publisher: München ; Wien :Oldenbourg,
    Year of publication: 1959-1985
    Dates of Publication: 1.1959 - 16.1974,5; 27.1985
    ISSN: 0013-5720
    Type of Medium: Book
    Language: Undetermined
    Subsequent Title: 16.1974,6 - 26.1984 ---〉:Elektronische Rechenanlagen mit Computer-Praxis
    Subsequent Title: Forts. ---〉:Informationstechnik
    Additional Information: Beil. ---〉:Computer-Praxis
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  • 12
    Journal/Serial
    Journal/Serial
    Sindelfingen b. Stuttgart :IBM, ; 1.1951 - 22.1972,Febr. = Nr. 104-209
    Title: IBM-Nachrichten /
    Author: Internationale Büro-Maschinen-Gesellschaft Deutschland 〈Sindelfingen〉
    Publisher: Sindelfingen b. Stuttgart :IBM,
    Year of publication: 1951-1972
    Dates of Publication: 1.1951 - 22.1972,Febr. = Nr. 104-209
    ISSN: 0018-8662
    Type of Medium: Journal/Serial
    Language: Undetermined
    Former Title: Vorg. ---〉:Hollerith-Nachrichten
    Subsequent Title: Forts. ---〉:IBM Deutschland GmbH 〈Stuttgart〉: IBM-Nachrichten
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  • 13
    Journal/Serial
    Journal/Serial
    Braunschweig ; Wisbaden :Vieweg, ; [1.1959] -[2.]1960 = F. 1-8; [3.]1961 = H. 1-6=F.9-14; [4.]1962 - [5.]1963,1; 5.1963,2 - 12.1970
    Title: Elektronische Datenverarbeitung : Fachberichte über programmgesteuerte Maschinen u. ihre Anwendung = Electronic data processing
    Publisher: Braunschweig ; Wisbaden :Vieweg,
    Year of publication: 1959-1970
    Dates of Publication: [1.1959] -[2.]1960 = F. 1-8; [3.]1961 = H. 1-6=F.9-14; [4.]1962 - [5.]1963,1; 5.1963,2 - 12.1970
    ISSN: 0374-3012
    Type of Medium: Journal/Serial
    Language: Undetermined
    Subsequent Title: Forts. ---〉:Angewandte Informatik
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  • 14
    Title: Bibliotheksdienst : Organ der Bundesvereinigung Deutscher Bibliotheksverbände (BDB)
    Contributer: Deutscher Büchereiverband , Deutscher Bibliotheksverband 〈Deutschland, Bundesrepublik〉 , Deutsches Bibliotheksinstitut 〈Berlin〉 , Bundesvereinigung Deutscher Bibliotheksverbände , Ehemaliges Deutsches Bibliotheksinstitut 〈Berlin〉 , Zentral- und Landesbibliothek 〈Berlin〉
    Publisher: Berlin [u. a.] :De Gruyter Saur,
    Year of publication: 1967
    Dates of Publication: [1.]1967,Apr. - [16.]1982; 17.1983 -
    ISSN: 0006-1972
    Type of Medium: Journal/Serial
    Language: Undetermined
    Former Title: Vorg. ---〉:Büchereidienst
    Note: Deutscher Büchereiverband; [8.]1974 - [12.]1978: Deutscher Bibliotheksverband; [12.]1978 - 1989: Deutsches Bibliotheksinstitut; beteil. Körp. anfangs: Arbeitsstelle für das Bibliothekswesen, Deutscher Bibliotheksverband; bis 33.1999: Deutsches Bibliotheksinstitut; 34.2000: Ehemaliges Deutsches Bibliotheksinstitut
    Additional Information: Beil. ---〉:Regeln für den Schlagwortkatalog / Ergänzungen und Berichtigungen
    Additional Information: Beil. ---〉:International Federation of Library Associations and Institutions: IFLA-Tagung
    Additional Information: Beil. ---〉:Neue Sigel, Sigelverweisungen, Wiederaufnahmen, neue Leihverkehrsinformationen und Anschriftenkorrekturen
    Additional Information: Teils darin, teils Beil. ---〉:RSWK-Mitteilung
    Additional Information: Teils darin, teils Beil. ---〉:RAK-Mitteilung
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  • 15
    Journal/Serial
    Journal/Serial
    New York, NY [u.a.] :Academ. Pr., ; 1.1967 -
    Title: Journal of computer and system sciences
    Publisher: New York, NY [u.a.] :Academ. Pr.,
    Year of publication: 1967
    Dates of Publication: 1.1967 -
    ISSN: 0022-0000
    Type of Medium: Journal/Serial
    Language: Undetermined
    Additional Information: 25,1-2=21 von:Symposium on Foundations of Computer Science: Annual Symposium on Foundations of Computer Science
    Additional Information: 28,1=1 von:Symposium on Principles of Database Systems: Papers presented in the form of working abstracts at the ... ACM SIGACT-SIGMOD Symposium on Principles of Database Systems
    Additional Information: 28,2=14; 30,2=15 von:Symposium on Theory of Computing: Conference record of the ... annual ACM Symposium on Theory of Computing
    Additional Information: 34,2/3=1 von:TAPSOFT: Proceedings of the International Joint Conference on Theory and Practice of Software Development
    Parallel Title: Internetausg. ---〉:Journal of computer and system sciences
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  • 16
    Journal/Serial
    Journal/Serial
    New York, NY :ACM, ; 1.1967[?] - 39.2005,2. Forts. nur Online
    Title: Computer graphics : CG ; a quarterly report of Siggraph ACM
    Contributer: Association for Computing Machinery / Special Interest Group on Graphics
    Publisher: New York, NY :ACM,
    Year of publication: 1967
    Dates of Publication: 1.1967[?] - 39.2005,2. Forts. nur Online
    ISSN: 0097-8930
    Type of Medium: Journal/Serial
    Language: Undetermined
    Additional Information: In 9.1975/76 enth. 2.1975 u. in 11.1977/78 enth. 4.1977 von ---〉:Conference on Computer Graphics and Interactive Techniques: Proceedings of the ... annual Conference on Computer Graphics and Interactive Techniques
    Additional Information: In 10.1976,2 enth. 3.1976 von ---〉:Conference on Computer Graphics, Interactive Techniques, and Image Processing: Proceedings of the ... annual Conference on Computer Graphics, Interactive Techniques, and Image Processing
    Additional Information: 15,3=8; 16,3=9; 17,3=10; 18,3=11; 19,3=12; 20,4=13; 21,4=14; 22,4=15; 23,3=16 von:Association for Computing Machinery / Special Interest Group on Graphics: SIGGRAPH Conference proceedings
    Additional Information: 12,3=5; 13,2=6; 14,3=7 von:Conference on Computer Graphics and Interactive Techniques: Proceedings of the ... annual Conference on Computer Graphics and Interactive Techniques
    Additional Information: 10,1=11,6 von:Association for Computing Machinery / Special Interest Group on Programming Languages: SIGPLAN notices
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