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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Defend a CS Capstone like a Top Thesis Advisor - Student coursework</title>
<style>
/* === FONTS === */
@import url('https://fonts.googleapis.com/css2?family=Bodoni+Moda:ital,wght@0,400;0,700;1,400&family=DM+Sans:wght@400;500;700&display=swap');
/* ===========================================
DESIGN TOKENS — Notebook Tabs theme
Cream paper card on dark ground, colorful
index tabs on the right edge, binder holes
on the left. Bodoni Moda + DM Sans.
All values authored at 1920×1080 stage size.
=========================================== */
:root {
/* Colors */
--bg-outer: #2d2d2d; /* dark desk behind the notebook */
--bg-page: #f8f6f1; /* cream paper */
--text-primary: #1a1a1a;
--text-secondary: #6b6358;
--rule: #d8d2c4; /* hairline rules on paper */
--tab-1: #98d4bb; /* Mint */
--tab-2: #c7b8ea; /* Lavender */
--tab-3: #f4b8c5; /* Pink */
--tab-4: #a8d8ea; /* Sky */
--tab-5: #ffe6a7; /* Cream */
/* Stage */
--stage-bg: var(--bg-outer);
--slide-bg: var(--bg-outer);
/* Typography */
--font-display: 'Bodoni Moda', 'Didot', serif;
--font-body: 'DM Sans', 'Helvetica Neue', sans-serif;
--title-size: 150px;
--h2-size: 84px;
--subtitle-size: 30px;
--body-size: 26px;
--label-size: 17px;
/* Paper geometry (inside the 1920×1080 stage) */
--paper-top: 56px;
--paper-bottom: 56px;
--paper-left: 120px;
--paper-right: 150px; /* leaves room for the tabs */
--paper-pad-x: 110px;
--paper-pad-y: 78px;
/* Motion */
--ease-page: cubic-bezier(0.16, 1, 0.3, 1);
--duration-normal: 0.7s;
}
/* === BASE === */
* { margin: 0; padding: 0; box-sizing: border-box; }
/* ===========================================
FIXED 16:9 STAGE: MANDATORY BASE STYLES
(full viewport-base.css, inlined)
Slides are authored at 1920×1080 and scaled as a whole.
=========================================== */
html,
body {
width: 100%;
height: 100%;
margin: 0;
overflow: hidden;
background: var(--stage-bg, #000);
}
.deck-viewport {
position: fixed;
inset: 0;
overflow: hidden;
background: var(--stage-bg, #000);
}
.deck-stage {
position: absolute;
left: 0;
top: 0;
width: 1920px;
height: 1080px;
overflow: hidden;
transform-origin: 0 0;
background: var(--slide-bg, #fff);
}
.slide {
position: absolute;
inset: 0;
width: 1920px;
height: 1080px;
overflow: hidden;
display: block;
visibility: hidden;
opacity: 0;
pointer-events: none;
background: var(--slide-bg, #fff);
}
.slide.active,
.slide.visible {
visibility: visible;
opacity: 1;
pointer-events: auto;
z-index: 1;
}
img, video, canvas, svg {
max-width: 100%;
max-height: 100%;
}
.deck-controls {
position: fixed;
left: 50%;
bottom: 22px;
transform: translateX(-50%);
z-index: 1000;
}
@media print {
html, body { width: 1920px; height: auto; overflow: visible; background: #fff; }
.deck-viewport { position: static; overflow: visible; background: #fff; }
.deck-stage { position: static; width: auto; height: auto; transform: none !important; background: none; }
.slide {
position: relative; display: block !important;
visibility: visible !important; opacity: 1 !important; pointer-events: auto !important;
width: 1920px; height: 1080px;
break-after: page; page-break-after: always;
}
.slide:last-child { break-after: auto; page-break-after: auto; }
.deck-controls { display: none !important; }
}
@media (prefers-reduced-motion: reduce) {
*, *::before, *::after {
animation-duration: 0.01ms !important;
transition-duration: 0.2s !important;
}
/* no movement: reveals fade only, chart bars render at full height */
.reveal { transform: none !important; }
.bar { transform: none !important; }
}
/* ===========================================
THE NOTEBOOK — paper card, binder holes, tabs
=========================================== */
.paper {
position: absolute;
top: var(--paper-top);
bottom: var(--paper-bottom);
left: var(--paper-left);
right: var(--paper-right);
background: var(--bg-page);
border-radius: 8px;
box-shadow:
0 2px 4px rgba(0, 0, 0, 0.25),
0 18px 50px rgba(0, 0, 0, 0.45),
inset 0 0 0 1px rgba(255, 255, 255, 0.35);
/* faint paper grain via layered gradients */
background-image:
linear-gradient(rgba(26, 26, 26, 0.018) 1px, transparent 1px),
linear-gradient(180deg, var(--bg-page), var(--bg-page));
background-size: 100% 44px, 100% 100%;
z-index: 1; /* paper sits above the tucked tab roots */
}
/* Binder holes — punched circles on the left margin */
.holes {
position: absolute;
left: 38px;
top: 90px;
bottom: 90px;
width: 26px;
display: flex;
flex-direction: column;
justify-content: space-between;
z-index: 3;
}
.holes span {
width: 26px;
height: 26px;
border-radius: 50%;
background: var(--bg-outer);
box-shadow:
inset 0 2px 4px rgba(0, 0, 0, 0.7),
0 1px 0 rgba(255, 255, 255, 0.55);
}
/* Margin rule echoing a real notebook's red line */
.margin-rule {
position: absolute;
left: 92px;
top: 0;
bottom: 0;
width: 1px;
background: var(--tab-3);
opacity: 0.55;
z-index: 2;
}
/* Index tabs — vertical labels protruding past the right paper edge.
Positioned against the stage so 12px of each tab root tucks UNDER
the paper (.paper has z-index: 1, tabs have z-index: 0). */
.tabs {
position: absolute;
right: calc(var(--paper-right) - 44px); /* 44px sticks out past the paper edge */
top: calc(var(--paper-top) + 60px);
display: flex;
flex-direction: column;
gap: 18px;
z-index: 0; /* tucked behind the paper edge */
}
.tab {
writing-mode: vertical-rl;
font-family: var(--font-body);
font-size: var(--label-size);
font-weight: 700;
letter-spacing: 0.3em;
text-transform: uppercase;
color: rgba(26, 26, 26, 0.78);
width: 56px;
height: 158px;
display: flex;
align-items: center;
justify-content: center;
border-radius: 0 10px 10px 0;
box-shadow: 2px 2px 6px rgba(0, 0, 0, 0.3);
opacity: 0.82;
transform: translateX(-6px);
transition: transform 0.45s var(--ease-page), opacity 0.45s var(--ease-page);
}
.tab-1 { background: var(--tab-1); }
.tab-2 { background: var(--tab-2); }
.tab-3 { background: var(--tab-3); }
.tab-4 { background: var(--tab-4); }
.tab-5 { background: var(--tab-5); }
.tab.on { opacity: 1; transform: translateX(0); box-shadow: 4px 4px 10px rgba(0, 0, 0, 0.35); }
/* Content area inside the paper */
.page {
position: absolute;
inset: 0;
padding: var(--paper-pad-y) var(--paper-pad-x) var(--paper-pad-y) 150px;
display: flex;
flex-direction: column;
z-index: 1;
}
/* === PAGE CHROME — running head + baseline === */
.runhead {
display: flex;
justify-content: space-between;
align-items: baseline;
font-family: var(--font-body);
font-size: var(--label-size);
letter-spacing: 0.26em;
text-transform: uppercase;
color: var(--text-secondary);
border-bottom: 1px solid var(--rule);
padding-bottom: 18px;
margin-bottom: 40px;
}
.runhead .no { font-weight: 700; color: var(--text-primary); }
.baseline {
margin-top: auto;
display: flex;
justify-content: space-between;
font-family: var(--font-body);
font-size: 15px;
letter-spacing: 0.24em;
text-transform: uppercase;
color: var(--text-secondary);
border-top: 1px solid var(--rule);
padding-top: 16px;
}
/* === TYPOGRAPHY === */
.display {
font-family: var(--font-display);
font-weight: 700;
font-size: var(--title-size);
line-height: 0.98;
letter-spacing: -0.01em;
color: var(--text-primary);
}
.h2 {
font-family: var(--font-display);
font-weight: 700;
font-size: var(--h2-size);
line-height: 1.04;
color: var(--text-primary);
}
.kicker {
font-family: var(--font-body);
font-size: var(--label-size);
font-weight: 700;
letter-spacing: 0.3em;
text-transform: uppercase;
color: var(--text-secondary);
margin-bottom: 22px;
}
.kicker .chip {
display: inline-block;
width: 30px;
height: 12px;
border-radius: 3px;
margin-right: 12px;
vertical-align: baseline;
}
.lede {
font-family: var(--font-body);
font-size: var(--subtitle-size);
line-height: 1.5;
color: var(--text-secondary);
max-width: 980px;
}
/* === ENTRANCE ANIMATION === */
.reveal {
opacity: 0;
transform: translateY(28px);
transition: opacity var(--duration-normal) var(--ease-page),
transform var(--duration-normal) var(--ease-page);
}
.slide.visible .reveal { opacity: 1; transform: translateY(0); }
.reveal:nth-child(1), .reveal.d1 { transition-delay: 0.08s; }
.reveal:nth-child(2), .reveal.d2 { transition-delay: 0.18s; }
.reveal:nth-child(3), .reveal.d3 { transition-delay: 0.28s; }
.reveal:nth-child(4), .reveal.d4 { transition-delay: 0.38s; }
.reveal:nth-child(5), .reveal.d5 { transition-delay: 0.48s; }
.reveal:nth-child(6), .reveal.d6 { transition-delay: 0.58s; }
/* === COVER === */
.cover-meta {
display: flex;
gap: 26px;
align-items: center;
font-family: var(--font-body);
font-size: 20px;
letter-spacing: 0.2em;
text-transform: uppercase;
color: var(--text-secondary);
margin-top: 44px;
}
.cover-swatches { display: flex; gap: 10px; }
.cover-swatches i {
width: 44px; height: 18px; border-radius: 4px; display: inline-block;
box-shadow: 0 1px 2px rgba(0,0,0,0.18);
}
.cover-edition {
font-family: var(--font-display);
font-style: italic;
font-size: 34px;
color: var(--text-secondary);
margin-top: 26px;
}
/* === CONTENTS (index page) === */
.toc { display: flex; flex-direction: column; margin-top: 8px; }
.toc-row {
display: flex;
align-items: baseline;
gap: 26px;
padding: 26px 0;
border-bottom: 1px dashed var(--rule);
font-family: var(--font-body);
}
.toc-row:last-child { border-bottom: none; }
.toc-chip { width: 38px; height: 16px; border-radius: 4px; flex: none; align-self: center; }
.toc-no {
font-family: var(--font-display);
font-size: 30px;
font-weight: 700;
color: var(--text-secondary);
width: 64px;
flex: none;
}
.toc-title { font-family: var(--font-display); font-size: 40px; font-weight: 400; color: var(--text-primary); }
.toc-dots { flex: 1; border-bottom: 2px dotted var(--rule); transform: translateY(-9px); }
.toc-pg { font-size: 22px; letter-spacing: 0.18em; color: var(--text-secondary); }
/* === SECTION DIVIDER === */
.divider-no {
font-family: var(--font-display);
font-weight: 400;
font-size: 430px;
line-height: 0.85;
color: transparent;
-webkit-text-stroke: 2px var(--text-primary);
}
.divider-wrap { display: flex; align-items: center; gap: 90px; flex: 1; }
.divider-side .h2 { margin-bottom: 24px; }
.divider-bar { width: 120px; height: 16px; border-radius: 4px; margin-bottom: 34px; }
/* === BULLETS === */
.points { display: flex; flex-direction: column; gap: 30px; margin-top: 10px; }
.point { display: flex; gap: 30px; align-items: flex-start; max-width: 1180px; }
.point .pin {
flex: none;
width: 52px; height: 52px;
border-radius: 50%;
display: flex; align-items: center; justify-content: center;
box-shadow: 0 2px 5px rgba(0, 0, 0, 0.18);
}
.point .pin svg { width: 26px; height: 26px; }
.point h3 { font-family: var(--font-display); font-size: 36px; font-weight: 700; color: var(--text-primary); margin-bottom: 8px; }
.point p { font-family: var(--font-body); font-size: var(--body-size); line-height: 1.5; color: var(--text-secondary); }
/* === QUOTE === */
.quote-mark {
font-family: var(--font-display);
font-size: 220px;
line-height: 0.6;
color: var(--tab-2);
margin-bottom: 12px;
}
.quote-text {
font-family: var(--font-display);
font-style: italic;
font-weight: 400;
font-size: 66px;
line-height: 1.25;
color: var(--text-primary);
max-width: 1280px;
}
.quote-attr {
font-family: var(--font-body);
font-size: 22px;
letter-spacing: 0.22em;
text-transform: uppercase;
color: var(--text-secondary);
margin-top: 44px;
}
/* === BIG STAT === */
.stat-wrap { display: flex; align-items: center; gap: 90px; flex: 1; }
.stat-num {
font-family: var(--font-display);
font-weight: 700;
font-size: 300px;
line-height: 0.9;
color: var(--text-primary);
}
.stat-num .unit {
display: block;
font-size: 120px;
font-style: italic;
font-weight: 400;
line-height: 1;
margin-top: 18px;
color: var(--text-secondary);
}
.stat-side { max-width: 560px; border-left: 4px solid var(--tab-1); padding-left: 44px; }
.stat-side h3 { font-family: var(--font-display); font-size: 40px; font-weight: 700; margin-bottom: 16px; color: var(--text-primary); }
.stat-side p { font-family: var(--font-body); font-size: var(--body-size); line-height: 1.55; color: var(--text-secondary); }
/* === BAR CHART (pure CSS) === */
.chart {
display: flex;
align-items: flex-end;
gap: 70px;
height: 480px;
margin-top: 30px;
padding: 0 30px;
border-bottom: 2px solid var(--text-primary);
}
.bar-group { display: flex; flex-direction: column; align-items: center; height: 100%; justify-content: flex-end; flex: 1; }
.bar {
width: 130px;
border-radius: 8px 8px 0 0;
position: relative;
box-shadow: inset 0 -3px 0 rgba(0, 0, 0, 0.1);
transform: scaleY(0);
transform-origin: bottom;
transition: transform 0.9s var(--ease-page);
}
.slide.visible .bar { transform: scaleY(1); }
.slide.visible .bar.b2 { transition-delay: 0.15s; }
.slide.visible .bar.b3 { transition-delay: 0.3s; }
.slide.visible .bar.b4 { transition-delay: 0.45s; }
.bar-val {
position: absolute;
top: -44px;
left: 50%;
transform: translateX(-50%);
font-family: var(--font-display);
font-weight: 700;
font-size: 30px;
color: var(--text-primary);
}
.bar-label {
font-family: var(--font-body);
font-size: 20px;
letter-spacing: 0.1em;
text-transform: uppercase;
color: var(--text-secondary);
margin-top: 18px;
}
/* === COMPARISON === */
.compare { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; margin-top: 16px; flex: 1; align-content: start; }
.col {
border: 1px solid var(--rule);
border-radius: 10px;
padding: 44px 48px;
background: rgba(255, 255, 255, 0.45);
}
.col.hot { border: 2px solid var(--text-primary); box-shadow: 8px 8px 0 var(--tab-4); }
.col h3 {
font-family: var(--font-display);
font-size: 38px;
font-weight: 700;
color: var(--text-primary);
margin-bottom: 26px;
padding-bottom: 16px;
border-bottom: 1px solid var(--rule);
}
.col ul { list-style: none; }
.col li {
font-family: var(--font-body);
font-size: 25px;
line-height: 1.45;
color: var(--text-secondary);
padding: 10px 0 10px 34px;
position: relative;
}
.col li::before {
content: '';
position: absolute;
left: 0;
top: 22px;
width: 14px;
height: 14px;
border-radius: 3px;
background: var(--rule);
}
.col.hot li::before { background: var(--tab-4); }
.col.hot li { color: var(--text-primary); }
/* === PRINCIPLE GRID 2×2 === */
.grid4 { display: grid; grid-template-columns: 1fr 1fr; gap: 36px; margin-top: 12px; flex: 1; align-content: start; }
.gcard {
border: 1px solid var(--rule);
border-radius: 10px;
padding: 36px 40px;
background: rgba(255, 255, 255, 0.45);
position: relative;
overflow: hidden;
}
.gcard::before {
content: '';
position: absolute;
left: 0; top: 0; bottom: 0;
width: 12px;
background: var(--edge, var(--tab-1));
}
.gcard h3 { font-family: var(--font-display); font-size: 32px; font-weight: 700; color: var(--text-primary); margin-bottom: 10px; }
.gcard p { font-family: var(--font-body); font-size: 23px; line-height: 1.5; color: var(--text-secondary); }
.gcard .gno {
font-family: var(--font-display);
font-style: italic;
font-size: 26px;
color: var(--text-secondary);
margin-bottom: 10px;
}
/* === CLOSING === */
.close-wrap { flex: 1; display: flex; flex-direction: column; justify-content: center; }
.close-wrap .display em { font-style: italic; font-weight: 400; }
.close-links { display: flex; gap: 56px; margin-top: 60px; }
.lk {
display: inline-flex;
align-items: center;
gap: 14px;
font-family: var(--font-body);
font-size: 22px;
letter-spacing: 0.16em;
text-transform: uppercase;
color: var(--text-primary);
border-bottom: 3px solid var(--tab-3);
padding-bottom: 8px;
}
.lk svg { width: 26px; height: 26px; }
/* === DECK CONTROLS (outside the scaled stage) === */
.deck-controls {
font-family: var(--font-body);
font-size: 14px;
letter-spacing: 0.22em;
color: rgba(248, 246, 241, 0.55);
background: rgba(26, 26, 26, 0.55);
border: 1px solid rgba(248, 246, 241, 0.18);
padding: 8px 18px;
border-radius: 999px;
user-select: none;
}
.deck-controls .cur { color: var(--tab-1); font-weight: 700; }
</style>
<style id="od-no-pager">.deck-controls,#counter,.deck-counter{display:none!important}</style>
</head>
<body>
<div class="deck-viewport">
<main class="deck-stage" id="deckStage" aria-label="Slide deck">
<!-- === SLIDE 1: COVER (Intro) === -->
<section class="slide active visible">
<div class="paper">
<div class="holes"><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span></div>
<div class="margin-rule"></div>
<div class="page">
<div class="runhead"><span class="no">No. 01</span><span>CS Capstone Defense · Computer Science Dept.</span></div>
<div class="close-wrap">
<p class="kicker reveal d1"><span class="chip" style="background: var(--tab-1);"></span>A private, on-device predictive keyboard</p>
<h1 class="display reveal d2">On-Device<br>Predictive <em style="font-weight:400;">Keyboard</em></h1>
<p class="cover-edition reveal d3">TypeAhead — thesis defense, Computer Science Department</p>
<div class="cover-meta reveal d4">
<span>Jordan Ames</span><span>·</span><span>Advisor: Prof. Elena Cho</span><span>·</span>
<span class="cover-swatches"><i style="background:var(--tab-1)"></i><i style="background:var(--tab-2)"></i><i style="background:var(--tab-3)"></i><i style="background:var(--tab-4)"></i><i style="background:var(--tab-5)"></i></span>
</div>
</div>
<div class="baseline"><span>Cover</span><span>Defense date: May 14, 2026</span></div>
</div>
</div>
<div class="tabs" aria-hidden="true">
<span class="tab tab-1 on">Intro</span><span class="tab tab-2">Problem</span><span class="tab tab-3">Evidence</span><span class="tab tab-4">Findings</span><span class="tab tab-5">Defense</span>
</div>
</section>
<!-- === SLIDE 2: CONTENTS (Intro) === -->
<section class="slide">
<div class="paper">
<div class="holes"><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span></div>
<div class="margin-rule"></div>
<div class="page">
<div class="runhead"><span class="no">No. 02</span><span>Contents</span></div>
<h2 class="h2 reveal d1" style="margin-bottom: 30px;">Defense roadmap</h2>
<div class="toc">
<div class="toc-row reveal d2"><span class="toc-chip" style="background:var(--tab-2)"></span><span class="toc-no">i.</span><span class="toc-title">The problem — cloud keyboards leak keystrokes</span><span class="toc-dots"></span><span class="toc-pg">PG 03</span></div>
<div class="toc-row reveal d3"><span class="toc-chip" style="background:var(--tab-3)"></span><span class="toc-no">ii.</span><span class="toc-title">The evidence — accuracy, latency, privacy</span><span class="toc-dots"></span><span class="toc-pg">PG 06</span></div>
<div class="toc-row reveal d4"><span class="toc-chip" style="background:var(--tab-4)"></span><span class="toc-no">iii.</span><span class="toc-title">The contribution — four things that are new</span><span class="toc-dots"></span><span class="toc-pg">PG 08</span></div>
<div class="toc-row reveal d5"><span class="toc-chip" style="background:var(--tab-5)"></span><span class="toc-no">iv.</span><span class="toc-title">Limitations &amp; committee Q&amp;A</span><span class="toc-dots"></span><span class="toc-pg">PG 10</span></div>
</div>
<div class="baseline"><span>Contents</span><span>02 / 10</span></div>
</div>
</div>
<div class="tabs" aria-hidden="true">
<span class="tab tab-1 on">Intro</span><span class="tab tab-2">Problem</span><span class="tab tab-3">Evidence</span><span class="tab tab-4">Findings</span><span class="tab tab-5">Defense</span>
</div>
</section>
<!-- === SLIDE 3: SECTION DIVIDER (Craft) === -->
<section class="slide">
<div class="paper">
<div class="holes"><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span></div>
<div class="margin-rule"></div>
<div class="page">
<div class="runhead"><span class="no">No. 03</span><span>Section i</span></div>
<div class="divider-wrap">
<div class="divider-no reveal d1">01</div>
<div class="divider-side">
<div class="divider-bar reveal d2" style="background: var(--tab-2);"></div>
<h2 class="h2 reveal d3">The problem —<br>keystrokes leave the phone</h2>
<p class="lede reveal d4" style="margin-top: 22px; max-width: 660px;">Every major mobile keyboard (Gboard, SwiftKey) ships raw keystrokes to cloud servers for next-word prediction — a privacy liability class-action suits have already targeted.</p>
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<div class="baseline"><span>The problem</span><span>03 / 10</span></div>
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<span class="tab tab-1">Intro</span><span class="tab tab-2 on">Problem</span><span class="tab tab-3">Evidence</span><span class="tab tab-4">Findings</span><span class="tab tab-5">Defense</span>
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<div class="runhead"><span class="no">No. 04</span><span>Section i · The problem</span></div>
<p class="kicker reveal d1"><span class="chip" style="background: var(--tab-2);"></span>Three design principles</p>
<h2 class="h2 reveal d2" style="font-size: 64px; margin-bottom: 34px;">TypeAhead: on-device,<br>federated, adaptive</h2>
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<div><h3>On-device inference</h3><p>A 2.1M-parameter transformer runs entirely on-device via Core ML / NNAPI. No keystroke ever leaves the phone — verified by packet-capture across 40 hours of typing.</p></div>
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<div><h3>Federated fine-tuning</h3><p>Personalization trains locally overnight and syncs only encrypted gradient deltas — the same class of protocol behind Gboard's federated learning, rebuilt at capstone scale.</p></div>
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<div><h3>Adaptive vocabulary</h3><p>A per-user trie re-ranks candidates against typing history, so names, slang, and jargon surface within roughly 200 keystrokes without retraining the base model.</p></div>
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<div class="baseline"><span>The problem</span><span>04 / 10</span></div>
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<span class="tab tab-1">Intro</span><span class="tab tab-2 on">Problem</span><span class="tab tab-3">Evidence</span><span class="tab tab-4">Findings</span><span class="tab tab-5">Defense</span>
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<div class="runhead"><span class="no">No. 05</span><span>Section i · The problem</span></div>
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<p class="quote-text reveal d2">The question isn't whether an on-device model can predict text — it's whether it can do it as well as the cloud, without the privacy trade-off.</p>
<p class="quote-attr reveal d3">— Prof. Elena Cho, thesis advisor</p>
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<div class="baseline"><span>Quote</span><span>05 / 10</span></div>
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<span class="tab tab-1">Intro</span><span class="tab tab-2 on">Problem</span><span class="tab tab-3">Evidence</span><span class="tab tab-4">Findings</span><span class="tab tab-5">Defense</span>
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<div class="runhead"><span class="no">No. 06</span><span>Section ii · The evidence</span></div>
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<div class="stat-num reveal d1">94.2<span class="unit">% top-3 hit rate</span></div>
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<h3>On-device accuracy</h3>
<p>Evaluated on a held-out set of 50,000 keystrokes from 12 volunteer typists, TypeAhead matches Gboard's cloud model (95.1%) within 0.9 points — using a model 40&times; smaller.</p>
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<div class="baseline"><span>The evidence</span><span>06 / 10</span></div>
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<span class="tab tab-1">Intro</span><span class="tab tab-2">Problem</span><span class="tab tab-3 on">Evidence</span><span class="tab tab-4">Findings</span><span class="tab tab-5">Defense</span>
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<div class="runhead"><span class="no">No. 07</span><span>Section ii · The evidence</span></div>
<p class="kicker reveal d1"><span class="chip" style="background: var(--tab-3);"></span>Latency benchmark — Pixel 7, cold cache</p>
<h2 class="h2 reveal d2" style="font-size: 58px;">18ms beats the 340ms cloud round trip</h2>
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<div class="bar-group"><div class="bar b1" style="height: 8%; background: var(--tab-1);"><span class="bar-val">18ms</span></div><div class="bar-label">TypeAhead (ours)</div></div>
<div class="bar-group"><div class="bar b2" style="height: 16%; background: var(--tab-2);"><span class="bar-val">34ms</span></div><div class="bar-label">SwiftKey (on-device)</div></div>
<div class="bar-group"><div class="bar b3" style="height: 45%; background: var(--tab-3);"><span class="bar-val">120ms</span></div><div class="bar-label">Gboard (cloud)</div></div>
<div class="bar-group"><div class="bar b4" style="height: 90%; background: var(--tab-4);"><span class="bar-val">340ms</span></div><div class="bar-label">GPT-4o API (cloud)</div></div>
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<div class="baseline"><span>The evidence</span><span>07 / 10</span></div>
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<span class="tab tab-1">Intro</span><span class="tab tab-2">Problem</span><span class="tab tab-3 on">Evidence</span><span class="tab tab-4">Findings</span><span class="tab tab-5">Defense</span>
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<div class="runhead"><span class="no">No. 08</span><span>Section iii · The contribution</span></div>
<h2 class="h2 reveal d1" style="font-size: 58px; margin-bottom: 26px;">Existing keyboards — versus TypeAhead</h2>
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<h3>Cloud keyboards (Gboard, SwiftKey)</h3>
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<li>Keystrokes leave the device</li>
<li>No offline personalization</li>
<li>120&ndash;340ms median latency over the network</li>
<li>Opaque to independent audit</li>
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<h3>TypeAhead (this thesis)</h3>
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<li>100% on-device inference, no network calls</li>
<li>Federated personalization, encrypted deltas only</li>
<li>18ms median latency, no radio required</li>
<li>Open evaluation harness + full weights released</li>
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<div class="baseline"><span>The contribution</span><span>08 / 10</span></div>
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<span class="tab tab-1">Intro</span><span class="tab tab-2">Problem</span><span class="tab tab-3">Evidence</span><span class="tab tab-4 on">Findings</span><span class="tab tab-5">Defense</span>
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<div class="runhead"><span class="no">No. 09</span><span>Section iii · The contribution</span></div>
<h2 class="h2 reveal d1" style="font-size: 58px; margin-bottom: 26px;">Four contributions of this thesis</h2>
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<div class="gcard reveal d2" style="--edge: var(--tab-1);"><div class="gno">Contribution i</div><h3>2.1M-param transformer</h3><p>A quantized 8-bit transformer that fits in 6.8MB and runs inference in under 20ms on a mid-range 2021-era phone.</p></div>
<div class="gcard reveal d3" style="--edge: var(--tab-2);"><div class="gno">Contribution ii</div><h3>Federated update protocol</h3><p>A gradient-delta sync protocol that personalizes overnight on Wi-Fi and charge, verified to leak no raw text in transit.</p></div>
<div class="gcard reveal d4" style="--edge: var(--tab-3);"><div class="gno">Contribution iii</div><h3>Privacy-utility benchmark</h3><p>A reproducible 12-participant, 50K-keystroke harness comparing on-device and cloud keyboards on accuracy, latency, and battery.</p></div>
<div class="gcard reveal d5" style="--edge: var(--tab-4);"><div class="gno">Contribution iv</div><h3>Open weights &amp; code</h3><p>Full model weights, training scripts, and the eval harness published for the department's future capstones to build on.</p></div>
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<div class="baseline"><span>The contribution</span><span>09 / 10</span></div>
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<span class="tab tab-1">Intro</span><span class="tab tab-2">Problem</span><span class="tab tab-3">Evidence</span><span class="tab tab-4 on">Findings</span><span class="tab tab-5">Defense</span>
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<div class="runhead"><span class="no">No. 10</span><span>Limitations &amp; defense</span></div>
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<h2 class="display reveal d1" style="font-size: 132px;">Yes, it scales —<br><em>within limits.</em></h2>
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<span class="lk"><svg viewBox="0 0 24 24" fill="none" stroke="#1a1a1a" stroke-width="2"><path d="M4 4h16c1.1 0 2 .9 2 2v12c0 1.1-.9 2-2 2H4c-1.1 0-2-.9-2-2V6c0-1.1.9-2 2-2z"/><path d="M22 6l-10 7L2 6"/></svg>Limitation: 8 languages tested, not 40+</span>
<span class="lk"><svg viewBox="0 0 24 24" fill="none" stroke="#1a1a1a" stroke-width="2"><path d="M21 10c0 7-9 13-9 13s-9-6-9-13a9 9 0 0 1 18 0z"/><circle cx="12" cy="10" r="3"/></svg>Limitation: +3% battery drain from overnight sync</span>
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<p class="lede reveal d3" style="margin-top: 56px; font-size: 22px;">Committee question addressed: given six more months, TypeAhead's federated protocol generalizes to any keyboard vocabulary — the constraint is per-language training data, not architecture.</p>
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<div class="baseline"><span>Defense</span><span>10 / 10</span></div>
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