diff --git a/www/presentations/semantic-web/slides.pdf b/www/presentations/semantic-web/slides.pdf new file mode 100644 index 0000000..5ce643d Binary files /dev/null and b/www/presentations/semantic-web/slides.pdf differ diff --git a/www/presentations/semantic-web/slides.tex b/www/presentations/semantic-web/slides.tex new file mode 100644 index 0000000..567c461 --- /dev/null +++ b/www/presentations/semantic-web/slides.tex @@ -0,0 +1,361 @@ +\documentclass{beamer} +\usecolortheme{seagull} +\setbeamertemplate{navigation symbols}{} +\usepackage{graphicx} +\usepackage{tcolorbox} +\usetikzlibrary{positioning} +\usetikzlibrary{shapes.misc} +\usepackage{xcolor} +\usepackage{tikz} +\usepackage{environ} +\usepackage[style=authoryear]{biblatex} + +\usepackage{tikz} +\usetikzlibrary{shapes.geometric} + +\begin{document} + +\title{Resuscitating the Semantic Web} +\date{} +\author{ + Spencer Killen \\ +\tiny{https://sjkillen.ca} +} + +\begin{frame} + \titlepage +\end{frame} + + +\begin{frame} + \frametitle{A Brief History of Internet ``Versions''} + + \begin{itemize} + \item Web 1.0 + \begin{itemize} + \item Website, basic browsing, hyperlinks + \end{itemize} + \pause + \item Web 2.0 + \begin{itemize} + \item Dynamically loaded content + \item Infinite scroll, more interactivity, etc. + \end{itemize} + \end{itemize} +\end{frame} + +\begin{frame} + \frametitle{``Versions'' are Largely Marketing Slop} + + \begin{itemize} + \item Hundreds of ``Web 2.0'' books sold + \pause + \item But... versions do signal a push for change + \end{itemize} + +\end{frame} + +\begin{frame} + \frametitle{What is Web 3.0?} + + \begin{itemize} + \item In the 2010s, people were pushing the Semantic Web as Web 3.0 + \begin{itemize} + \item Academics + \end{itemize} + \end{itemize} +\end{frame} + +\begin{frame} + \frametitle{The Semantic Web} + + \begin{itemize} + \item A phrase coined by Tim Berners-Lee + \begin{itemize} + \item Who is credited for ``inventing the internet'' + \end{itemize} + \end{itemize} + \begin{quote} + The essential property of the World Wide Web is its universality. The power of a hypertext link is that "anything must be able to link to anything" + \vskip 1em + \hfill -- Tim Berners-Lee + \end{quote} +\end{frame} + +\begin{frame}[fragile] + \frametitle{The Semantic Web} + \begin{itemize} + \item In Web 1.0/2.0 documents of structured information link to each other. + \begin{itemize} + \item But the documents don't {\em mean} anything except to a human reader. + \end{itemize} + \begin{verbatim} +
+ 1-780-468-2639 + + Spencer Killen + + sjkillen@ualberta.ca +
+ \end{verbatim} + \end{itemize} +\end{frame} + +\begin{frame}[fragile] + \frametitle{Level 0: Data Annotation} + \begin{itemize} + \item Documents describe what they are + \begin{verbatim} +
+ + 1-780-468-2639 + + + + Spencer Killen + + + + sjkillen@ualberta.ca + +
+ \end{verbatim} + \end{itemize} +\end{frame} + +\begin{frame}[fragile] + \frametitle{Level 0: Data Annotation} + \begin{itemize} + \item Meaning ascribed to different sections of the document + \item There's an automated way of interrogating the web resource: + \begin{itemize} + \item Who is the website about? + \begin{itemize} + \item One person, Spencer + \end{itemize} + \item What is Spencer's email? + \begin{itemize} + \item sjkillen@uaberta.ca + \end{itemize} + \end{itemize} + \end{itemize} +\end{frame} + +\begin{frame}[fragile] + \frametitle{The Good and the Bad} + \begin{itemize} + \item Website is {\bf more} machine readable + \item Easier for bad corpos to mine information + \begin{itemize} + \item But companies will use LLMs to mine this info with or without annotation + \end{itemize} + \item Good actors: + \begin{itemize} + \item Application interoperability + \item E.g. Very easy to build an application that looks through pages you've browsed + \begin{itemize} + \item ``Makes a list of the people I've read about online'' or + \item Poll https://sjkillen.ca periodically and update Spencer's contact info + \end{itemize} + \end{itemize} + \end{itemize} +\end{frame} + +\begin{frame}[fragile] + \frametitle{Level 1: Distributed Authority and Ontologies} + \begin{itemize} + % \item An evolution of human knowledge + \item An information either asserts authority: \\``the sky is blue, trust me bro'' + \item or cites a source: $e = mc^2$ (Einstein 1905) + \end{itemize} +\end{frame} + + +\begin{frame}[fragile] + \frametitle{Level 1: Distributed Authority and Ontologies} + \begin{itemize} + \item Ideally, anything and everything should be cited + \begin{itemize} + \item Current methods of citation are highly limited + \begin{itemize} + \item We reference a book, article, etc and expect the reader to find the relevant parts. + \item More granular systems exist (e.g. citing specific diagrams, bible verses, etc) + \item But these systems cite some structural part of the source material, not a semantic one. + \end{itemize} + \end{itemize} + \end{itemize} +\end{frame} + +\begin{frame}[fragile] + \frametitle{A Contrived Example} + \begin{example} + Writing a fanfic which combines Linux lore with Lord of the Rings. + + Richard Stallman is a Hobbit character. + + A reference to the Stallman Hobbit needs to cite both Linux lore and LOTR. + + How will people know which idea comes from which source? + \end{example} + \begin{verbatim} + + Richard + +was a 3 foot tall + + Hobbit + + \end{verbatim} + \begin{itemize} + \item Normal citations happen once, but we can cite every usage + \end{itemize} +\end{frame} + +\begin{frame} + \frametitle{Authority Delegation} + \begin{itemize} + \item Now Wikipedia and lotr.com are the authoritative definitions of Stallman and Hobbits, respectively + \end{itemize} +\end{frame} + +\begin{frame}[fragile] + \frametitle{Modeling Concepts, Relations, and Webs} + \begin{itemize} + \item Our citation doesn't describe the relation our character has to the real person our LOTR books. + \end{itemize} + + \begin{verbatim} +
+ + + Richard + + + was a 3 foot tall + + Hobbit + +
+ \end{verbatim} +\end{frame} + +\begin{frame} +\frametitle{Schema.org} +\end{frame} + +\begin{frame} +\frametitle{We Can Define Our Own Concepts Too!} +\begin{itemize} + \item Someone can write a fanfic of our fanfic to cite and incorporate a new creature we define + \item Someone browsing for stories can search to find all works that incorporate our creature + \begin{itemize} + \item All usages are self-reported, therefore not susceptible to AI slop errors. + \end{itemize} +\end{itemize} +\end{frame} + +\begin{frame} + \frametitle{Level 3: Semantic Services} + \begin{itemize} + \item A website can use these technologies to report the services it provides + \begin{itemize} + \item E.g. a pi digit calculator + \item An imperial-to-metric converting service + \end{itemize} + \end{itemize} +\end{frame} + +\begin{frame} +\frametitle{The Premature Death of the Semantic Web} + +\begin{quote} + ``A technology dies first when people stop using it, and then again when its name is lost. '' + \vskip 1em + \hfill -- Unknown +\end{quote} +\pause + \begin{itemize} + \item ``Crypto/Blockchain is now Web 3.0''! + \pause + \begin{itemize} + \item The name has been stolen from the Semantic Web + \end{itemize} + \end{itemize} +\end{frame} + +\begin{frame} + \frametitle{The Arduous Knowledge Engineering Barrier} + \begin{itemize} + \item Implementing the semantic web takes two types of experts working in tandem: + \begin{itemize} + \item Experts in web technologies (knowledge engineers) + \item Experts in the domain (e.g., Linux lore expert or LOTR expert) + \end{itemize} + \item This is why semantic web technologies never saw widespread adoption + \end{itemize} +\end{frame} + +\begin{frame} + \frametitle{Reclaim the Web from the LLMs!} + \begin{itemize} + \item Large language models are stealing the web from us + \begin{itemize} + \item Automatically extracted data from websites is served in a chat client + \item Websites aren't visited by people, just LLM scrapers + \end{itemize} + + \pause + \item Fighting back? + \begin{itemize} + \item Use LLMs to allow the domain expert to ``be the knowledge engineer'' + \begin{itemize} + \item Ensures automatic data extraction is audited by an expert, unlike current LLMs + \item Data is accessible and reliable + \item Greatly decreases the cost of semantic web tech adoption + \end{itemize} + \item Build more tools that rely on the Semantic Web + \end{itemize} + \end{itemize} +\end{frame} + +\begin{frame} + \frametitle{Semantic Web Technologys} + \begin{itemize} + \item RDF + \begin{itemize} + \item RDFa + \begin{itemize} + \item Used in examples. Annotate HTML with relations + \end{itemize} + \end{itemize} + \item OWL + \begin{itemize} + \item Extends RDF with description logic + \end{itemize} + \item RIF + \begin{itemize} + \item Extends RDF with intuitionistic rule logic + \end{itemize} + \end{itemize} +\end{frame} + +\begin{frame} +\frametitle{How to Get Started} + \begin{enumerate} + \item Learn basic HTML + \begin{itemize} + \item Only very basic HTML is needed. + \end{itemize} + \item Learn RDFa Core + \item Annotate a document using schema.org + \end{enumerate} +\end{frame} + +\begin{frame} +\frametitle{Exercise} + \begin{itemize} + \item Annotate HTML with RDFa, then verify using an RDF extractor + \end{itemize} +\end{frame} + +\end{document}