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main.tex
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main.tex
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@ -12,6 +12,7 @@
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\usepackage{verbatim}
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\usepackage{listings}
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\usepackage{url}
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\usepackage{xcolor}
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\usepackage{caption}
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\usepackage[autostyle=true,german=quotes]{csquotes}
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@ -54,336 +55,124 @@
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{°}{{${^\circ}$}}1
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}
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% Define colors
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\definecolor{hlr}{RGB}{255,180,180}
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\definecolor{hlg}{RGB}{180,255,180}
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\definecolor{hlb}{RGB}{180,180,255}
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\mode<presentation>
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\title{Intelligente Systeme}
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\subtitle{Ontologieprojekt: RDFS Ontologie }
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\author{Marcel Felix, Jan Philipp Timme}
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\title{IPv6}
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\subtitle{Einführung und Sicherheitsaspekte}
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\author{Jan Philipp Timme}
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\date{\today}
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\begin{document}
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%\tableofcontents[hideallsubsections]
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\tableofcontents[hideallsubsections]
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\section{Einleitung}
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\begin{frame}{Szenario}
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\section{Einstieg IPv6}
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\begin{frame}{Neuigkeiten mit IPv6}
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\begin{itemize}
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\item Welt der Spielekonsolen mit Bewertungen
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\item Spielekonsolen mit einigen Attributen beschrieben
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\item Spielekonsolen werden von Organisationen hergestellt
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\item Spielekonsolen haben einen Nachfolger/Vorgänger
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\item Organisationen haben einen CEO
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\item \dots
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\item 128 Bit Adressraum
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\item Neu: Link-lokale Adressen
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\item Multicast anstelle von Broadcast
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\item ICMPv6 für Betrieb essentiell
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\item Konfiguration via SLAAC und DHCPv6
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\item Router Advertisments
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\item Vollwertiges Routing, kein NAT!
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\item Paketfragmentierung nur durch den Absender
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\end{itemize}
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\end{frame}
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\begin{frame}[fragile]{Selbstdefinierte Prädikate}
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\begin{lstlisting}
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:foundingYear rdf:type rdf:Property ;
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rdfs:domain foaf:Organization ;
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rdfs:range xsd:int .
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:internetEnabled rdf:type rdf:Property ;
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rdfs:domain :GameConsole ;
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rdfs:range xsd:boolean .
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:consoleName rdf:type rdf:Property ;
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rdfs:domain :GameConsole ;
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rdfs:range xsd:string .
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\end{lstlisting}
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\begin{frame}{Notation und Kurzschreibweise}
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Gegeben: IPv6-Adresse
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\texttt{2001:0db8:2407:08d3:0000:0000:0000:1234} \newline
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\newline
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1) Führende Nullen streichen \newline
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\texttt{2001:\colorbox{hlb}{0}db8:2407:\colorbox{hlb}{0}8d3:\colorbox{hlb}{000}0:\colorbox{hlb}{000}0:\colorbox{hlb}{000}0:1234} \newline
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$\Rightarrow$ \texttt{2001:db8:2407:8d3:0:0:0:1234} \newline
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\newline
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2) Zusammenhängende Nullsegmente mit \texttt{::} ersetzen
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\texttt{2001:db8:2407:8d3:\colorbox{hlb}{0:0:0}:1234} \newline
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$\Rightarrow$ \texttt{2001:db8:2407:8d3::1234}
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\end{frame}
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\begin{frame}[fragile]{Ein eigener Datentyp und mehr \dots}
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\begin{lstlisting}
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# rdfs:Datatype
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:PriceEur rdf:type rdfs:Datatype .
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:PriceEur rdfs:label "Preis in Euro"^^xsd:string .
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# rdfs:subPropertyOf
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:predecessorOfConsole rdfs:subPropertyOf :relatedToConsole .
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:successorOfConsole rdfs:subPropertyOf :relatedToConsole .
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# rdfs:subClassOf
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:GameConsole rdf:type rdfs:Class .
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:PortableGameConsole rdf:type rdfs:Class .
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:PortableGameConsole rdfs:subClassOf :GameConsole .
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\end{lstlisting}
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\begin{frame}{Präfix}
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IPv6-Adresse mit angegebener Prefix-Länge: \texttt{2001:db8:2407:8d3::1234/128}
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\end{frame}
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\subsection{Adressklassen}
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\begin{frame}[fragile]{Überblick Daten A-Box (1/2)}
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\begin{lstlisting}
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@prefix : <http://example.com/ins_uebung/#> .
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@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
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@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
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@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
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@prefix foaf: <http://xmlns.com/foaf/0.1/> .
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@prefix rev: <http://purl.org/stuff/rev#> .
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:Nintendo rdf:type foaf:Organization ;
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:ceo :Kimishima ;
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:foundingYear 1889 ;
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foaf:name "Nintendo Co., Ltd."^^xsd:string .
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:Kimishima rdf:type foaf:Person ;
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foaf:familyName "Kimishima"^^xsd:string ;
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foaf:givenName "Tatsumi"^^xsd:string .
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\end{lstlisting}
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\end{frame}
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\begin{frame}[fragile]{Überblick Daten A-Box (2/2)}
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\begin{lstlisting}
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:Switch rdf:type :PortableGameConsole .
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:Switch rev:hasReview :SwitchReviewByJPT .
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:Wii rdf:type :GameConsole .
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:Wii_u rdf:type :GameConsole ;
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:internetEnabled true ;
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:consoleName "Wii U"^^xsd:string ;
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:numOfSupportedControllers 8 ;
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:predecessorOfConsole :Wii ;
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:releaseYear 2012 ;
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:successorOfConsole :Switch .
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\end{lstlisting}
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...
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\end{frame}
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\begin{frame}[fragile]{T-Box (1/2)}
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\begin{lstlisting}
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@prefix : <http://example.com/ins_uebung/#> .
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@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
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@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
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@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
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@prefix foaf: <http://xmlns.com/foaf/0.1/> .
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@prefix rev: <http://purl.org/stuff/rev#> .
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# Our own properties
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:ceo rdf:type rdf:Property ;
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rdfs:domain foaf:Organization ;
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rdfs:range foaf:Person .
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:foundingYear rdf:type rdf:Property ;
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rdfs:domain foaf:Organization ;
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rdfs:range xsd:int .
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:internetEnabled rdf:type rdf:Property ;
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rdfs:domain :GameConsole ;
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rdfs:range xsd:boolean .
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\end{lstlisting}
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\end{frame}
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\begin{frame}[fragile]{T-Box (2/2)}
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\begin{lstlisting}
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:consoleName rdf:type rdf:Property ;
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rdfs:domain :GameConsole ;
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rdfs:range xsd:string .
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:numOfSupportedControllers rdf:type rdf:Property ;
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rdfs:domain :GameConsole ;
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rdfs:range xsd:string .
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:successorOfConsole rdf:type rdf:Property ;
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rdfs:domain :GameConsole ;
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rdfs:range :GameConsole .
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\end{lstlisting}
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\end{frame}
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\begin{frame}[fragile]{Anwendung von RDFS-Regeln}
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Gegeben sei folgende A-Box
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\begin{lstlisting}
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:Wii_U rdf:type :GameConsole .
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:Switch :successorOfConsole :Wii_U .
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\end{lstlisting}
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mit dieser T-Box
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\begin{lstlisting}
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:successorOfConsole rdf:type rdf:Property ;
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rdfs:domain :GameConsole ;
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rdfs:range :GameConsole .
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\end{lstlisting}
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Anwendung der Regel \texttt{rdfs2}
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\begin{lstlisting}
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s p o .
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p rdfs:domain c . ==> s rdf:type c .
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\end{lstlisting}
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Ergebnis:
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\begin{lstlisting}
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:Switch rdf:type :GameConsole .
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\end{lstlisting}
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\end{frame}
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\begin{frame}[fragile]{SPARQL-Anfragen (1/2)}
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Wie viele verschiedene Konsolen wurden von Nintendo hergestellt?
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\begin{lstlisting}
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SELECT COUNT(?console) AS ?numConsoles
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WHERE {
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?console :madeBy ?organization .
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}
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GROUP BY ?organization
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\end{lstlisting}
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Welche Konsolen kamen nach Jahr X raus?
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\begin{lstlisting}
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SELECT ?console
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WHERE {
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?console :madeBy :Nintendo .
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?console :releaseYear ?releaseYear .
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FILTER(?releaseYear > 1997)
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}
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\end{lstlisting}
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\end{frame}
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\begin{frame}[fragile]{SPARQL-Anfragen (2/2)}
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Einen CEO einer Konsole zuordnen.
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\begin{lstlisting}
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CONSTRUCT {
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?ceo :isRelatedToConsole ?console .
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}
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WHERE {
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?console rdf:type :GameConsole .
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?console :madeBy ?org .
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?org :ceo ?ceo .
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?ceo rdf:type foaf:Person .
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}
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\end{lstlisting}
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Alle Konsolen die mindestens ein Review haben.
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\begin{lstlisting}
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SELECT DISTINCT ?console
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WHERE {
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?console rev:hasReview ?anyReview .
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}
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\end{lstlisting}
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\end{frame}
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\begin{frame}{Description Logic: T-Box (1/2)}
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A PortableGameConsole is a specific type of GameConsole.
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\begin{frame}{Adressklassen: Unspezifizierte Adresse\footnote{Siehe RFC 4291, Kapitel 2.5.2.}}
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Aus IPv4 bekannt als \texttt{0.0.0.0/0} \newline
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\newline
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In IPv6: \texttt{0000:0000:0000:0000:0000:0000:0000:0000} (kurz: \texttt{::}) \newline
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\begin{itemize}
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\item \texttt{PortableGameConsole $\sqsubseteq$ GameConsole}
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\item Zeigt das Fehlen einer Adresse an
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\item \dots oder signalisiert Erreichbarkeit eines Sockets auf allen Adressen eines Geräts
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\item Darf nie einem Gerät zugewiesen werden
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\item Als Quelladresse für Pakete erlaubt
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\begin{itemize}
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\item \dots sofern Rechner noch keine IPv6-Adresse besitzt
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\item \dots diese dürfen dann nicht geroutet werden
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\end{itemize}
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\end{itemize}
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\end{frame}
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\begin{frame}{Description Logic: T-Box (2/2)}
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An Organization can have a Person as CEO.
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\begin{frame}{Adressklassen: Loopback Adresse\footnote{Siehe RFC 4291, Kapitel 2.5.3.}}
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Aus IPv4 bekannt als \texttt{127.0.0.1/8} \newline
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\newline
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\texttt{0000:0000:0000:0000:0000:0000:0000:0001} (kurz: \texttt{::1})
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\newline
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\begin{itemize}
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\item \texttt{$\exists$ ceo.$\top$ $\sqsubseteq$ Organization}
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\item \texttt{Organization $\sqsubseteq$ $\forall$ceo.Person}
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\end{itemize}
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A GameConsole is made by an Organization.
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\begin{itemize}
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\item \texttt{$\exists$ madeBy.$\top$ $\sqsubseteq$ GameConsole}
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\item \texttt{GameConsole $\sqsubseteq$ $\forall$madeBy.Organization}
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\item Wie bereits aus IPv4 bekannt
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\end{itemize}
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\end{frame}
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\begin{frame}{Description Logic: R-Box (1/2)}
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\begin{frame}{Adressklassen: Globale Unicast Adresse (GUA)\footnote{Siehe RFC 4291, Kapitel 2.5.4.}}
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Analog zu global gerouteter IPv4-Adresse \newline
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\newline
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\texttt{2001:db8:2407:8d3::1234}
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\newline
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\begin{itemize}
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\item \texttt{$\exists$ successorOfConsole.$\top$ $\sqsubseteq$ relatedToConsole}
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\item Wie bereits aus IPv4 bekannt
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\end{itemize}
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\end{frame}
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\begin{frame}{Description Logic: R-Box (2/2)}
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\section{Hauptteil}
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\begin{frame}{TODO}
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\begin{itemize}
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\item \texttt{relatedToConsole $\circ$ relatedToConsole $\sqsubseteq$ relatedToConsole}
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\item \texttt{successorOfConsole $\circ$ successorOfConsole $\sqsubseteq$ successorOfConsole}
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\item \texttt{predecessorOfConsole $\circ$ predecessorOfConsole $\sqsubseteq$ predecessorOfConsole}
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\item TODO
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\end{itemize}
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\end{frame}
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\begin{frame}{Description Logic: A-Box}
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\section{Schluss}
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\begin{frame}{TODO}
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\begin{itemize}
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\item \texttt{\{Nintendo\} $\sqsubseteq$ foaf:Organization}
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\item \texttt{\{Nintendo\} $\sqsubseteq$ $\exists$ :ceo.Kimishima}
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\item \texttt{\{Nintendo\} $\sqsubseteq$ $\exists$ :foundingYear.\{1889\}}
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\item \texttt{\{Nintendo\} $\sqsubseteq$ $\exists$ :foaf:name.\{Nintendo Co., Ltd.\}}
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\item \texttt{\{Wii\_U\} $\sqsubseteq$ foaf:Organization}
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\item \texttt{\{Wii\_U\} $\sqsubseteq$ $\exists$ :consoleName.\{Wii U\}}
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\item \texttt{\{Wii\_U\} $\sqsubseteq$ $\exists$ :predecessorOfConsole.Wii}
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\item \texttt{\{Wii\_U\} $\sqsubseteq$ $\exists$ :successorOfConsole.Switch}
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\item TODO
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\end{itemize}
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\end{frame}
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\begin{frame}{Description Logic: New Concepts}
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Boolean concept constructors:
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\begin{frame}{}
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\begin{itemize}
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\item \texttt{HomeConsole $\equiv$ GameConsole $\sqcap$ $\neg$ PortableConsole}
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\end{itemize}
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Existential restriction:
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\begin{itemize}
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\item \texttt{NintendoConsole $\sqsubseteq$ $\exists$ madeBy.Nintendo}
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\end{itemize}
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Universal restriction:
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\begin{itemize}
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\item \texttt{GameConsole $\sqsubseteq$ $\forall$madeBy.Organization $\wedge$ $\forall$foundingYear.\{ $\geq$1700\}}
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\end{itemize}
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Number restrictions:
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\begin{itemize}
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\item \texttt{PartyConsole $\sqsubseteq$ $\leq$1 madeBy.Organization}
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\end{itemize}
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Reflexivity restriction:
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\begin{itemize}
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\item \texttt{GameConsole $\sqsubseteq$ $\nexists$ predecessorOfConsole.Self}
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\end{itemize}
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Nominals:
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\begin{itemize}
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\item \texttt{HomeConsole $\equiv$ \{Switch\} $\sqcap$ \{Wii\} $\sqcap$ \{Wii U\}}
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\item
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\end{itemize}
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\end{frame}
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\begin{frame}[fragile]{OWL (1/2)}
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\begin{lstlisting}
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:HomeConsole owl:differentFrom :PortableConsole .
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\end{lstlisting}
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\begin{lstlisting}
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:predecessorOfConsole owl:propertyChainAxiom (:predecessorOfConsole :predecessorOfConsole) .
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\end{lstlisting}
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\begin{lstlisting}
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:HomeConsole owl:equivalentClass [
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rdf:type owl:Class ;
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owl:intersectionOf (
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:GameConsole [owl:complementOf :PortableConsole]
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)
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] .
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\end{lstlisting}
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\begin{lstlisting}
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:NintendoConsole owl:equivalentClass [
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rdf:type owl:Restriction ;
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owl:onProperty :madeBy ;
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owl:someValuesFrom :Nintendo
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] .
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\end{lstlisting}
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\begin{frame}{}
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\begin{itemize}
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\item
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\end{itemize}
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\end{frame}
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\begin{frame}[fragile]{OWL (2/2)}
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\begin{lstlisting}
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:PartyConsole rdf:equivalentClass [
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rdf:type owl:Restriction ;
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owl:minQualifiedCardinality "2"^^xsd:nonNegativeInteger ;
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owl:onProperty :numOfSupportedControllers ;
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owl:onClass :GameConsole
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] .
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\end{lstlisting}
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\begin{frame}{}
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\begin{itemize}
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\item
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\end{itemize}
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\end{frame}
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\begin{frame}[fragile]{Jena Rules}
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With Jena built-ins
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\begin{lstlisting}
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[rule1: (?con rdf:type :GameConsole) (?con :predecessorOfConsole ?otherCon)
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noValue(?otherCon :successorOfConsole ?con)
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-> (?otherCon :successorOfConsole ?con)]
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\end{lstlisting}
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Removing facts
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\begin{lstlisting}
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[rule2: (?con :hasPrice ?someValue)
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-> remove(?con :hasPrice ?someValue)]
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\end{lstlisting}
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Insert new facts
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\begin{lstlisting}
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[rule3: (?con rev:hasReview ?rev) (?rev rev:reviewer ?reviewer)
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-> (?reviewer :hasReviewedConsole ?con)]
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\end{lstlisting}
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Testing with Jena Rule \dots by using the rules in our code.
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\end{frame}
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% The end.
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\end{document}
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