Upgrade to Pro
— share decks privately, control downloads, hide ads and more …
Speaker Deck
Features
Speaker Deck
PRO
Sign in
Sign up for free
Search
Search
トピックモデルによる統計的潜在意味解析 3.2.3 ~ 3.2.4 / topic-model...
Search
ysekky
January 07, 2016
Research
0
540
トピックモデルによる統計的潜在意味解析 3.2.3 ~ 3.2.4 / topic-model-3-2-3
ysekky
January 07, 2016
Tweet
Share
More Decks by ysekky
See All by ysekky
スタートアップの開発サイクルに学ぶ 研究活動の進め方 / research practices inspired by startup business strategy
ysekky
0
2.2k
[論文紹介] A Method to Anonymize Business Metrics to Publishing Implicit Feedback Datasets (Recsys2020) / recsys20-reading-gunosy-datapub
ysekky
3
2.7k
JSAI2020 OS-12 広告とAI オープニング / JSAI2020-OS-12-ads-and-ai-opening
ysekky
0
2.1k
JSAI2020インダストリアルセッション - Gunosyにおける研究開発 / jsai2020-gunosy-rd-examples
ysekky
1
770
ウェブサービス事業者における研究開発インターン[株式会社Gunosy] - テキストアナリティクスシンポジウム2019 / research-intern-case-study-at-gunosy
ysekky
0
2.8k
Gunosyにおけるニュース記事推薦/ news-recommendation-in-gunosy-webdbf2019
ysekky
1
1.5k
DEIM2019技術報告セッション - Gunosyの研究開発 / deim-2019-sponsor-session-gunosy-research
ysekky
0
1.1k
Analysis of Bias in Gathering Information Between User Attributes in News Application (ABCCS 2018)
ysekky
1
2.3k
世代による政治ニュース記事の閲覧傾向の違いの分析 - JSAI2018 / Analysis of differences in viewing behavior of politics news by age
ysekky
0
4k
Other Decks in Research
See All in Research
論文紹介:Not All Tokens Are What You Need for Pretraining
kosuken
0
120
Towards a More Efficient Reasoning LLM: AIMO2 Solution Summary and Introduction to Fast-Math Models
analokmaus
2
750
投資戦略202508
pw
0
400
集合間Bregmanダイバージェンスと置換不変NNによるその学習
wasyro
0
140
Adaptive Experimental Design for Efficient Average Treatment Effect Estimation and Treatment Choice
masakat0
0
100
SSII2025 [SS2] 横浜DeNAベイスターズの躍進を支えたAIプロダクト
ssii
PRO
7
3.9k
Submeter-level land cover mapping of Japan
satai
3
230
GeoCLIP: Clip-Inspired Alignment between Locations and Images for Effective Worldwide Geo-localization
satai
3
300
Hiding What from Whom? A Critical Review of the History of Programming languages for Music
tomoyanonymous
0
140
cvpaper.challenge 10年の軌跡 / cvpaper.challenge a decade-long journey
gatheluck
3
300
引力・斥力を制御可能なランダム部分集合の確率分布
wasyro
0
230
VectorLLM: Human-like Extraction of Structured Building Contours via Multimodal LLMs
satai
4
130
Featured
See All Featured
Art, The Web, and Tiny UX
lynnandtonic
302
21k
Reflections from 52 weeks, 52 projects
jeffersonlam
351
21k
Stop Working from a Prison Cell
hatefulcrawdad
271
21k
Building a Modern Day E-commerce SEO Strategy
aleyda
43
7.5k
Writing Fast Ruby
sferik
628
62k
Fireside Chat
paigeccino
39
3.6k
What's in a price? How to price your products and services
michaelherold
246
12k
Site-Speed That Sticks
csswizardry
10
790
Thoughts on Productivity
jonyablonski
69
4.8k
Optimising Largest Contentful Paint
csswizardry
37
3.4k
Designing Dashboards & Data Visualisations in Web Apps
destraynor
231
53k
JavaScript: Past, Present, and Future - NDC Porto 2020
reverentgeek
50
5.5k
Transcript
τϐοΫϞσϧʹΑΔ౷ܭతજࡏҙຯ ղੳ 3ষ ֶशΞϧΰϦζϜ(3.2.3 ~ 3.2.4) Yoshifumi Seki GunosyσʔλϚΠχϯάݚڀձ #98
2016.01.06
3.2.3 LDAͷΪϒεαϯϓϦϯά ·ͣLDAͷશ֬มͷ݁߹Λߟ͑Δ ͔͜͜Βؔͷͳ͍߲Λফͯ͠αϯϓϧͷੜΛߦ͏
จॻ ʹ͓͚Δ ൪ͷજࡏม
จॻ ʹ͓͚Δ ൪ͷજࡏม ͱͳΔΑ͏ʹਖ਼نԽ͢Δͱ ϙΠϯτ • ΛऔΓͬͯൺྫʹ͍ͯ͠ΔͷͰ, ૯͕1ʹͳΔΑ͏ʹઃఆ͢Ε֬ʹͰ͖Δ
ͷ͖݅ಠཱੑ άϥϑΟΧϧϞσϧΑΓ, ʹͷΈґଘ͕ؔ͋ Δɽ (3.29)͜ͷ݅Λຬ͍ͨͯ͠Δɽ
ͷαϯϓϦϯά
ͷαϯϓϦϯά Λ༻͍Δͱ • σΟϦΫϨͷࣄޙͳͷͰσΟϦΫϨͷܗʹͳΔΑ͏ʹ͍ͨ͠ɽ • ͳͷͰ૯Ͱද͢͜ͱ͕Ͱ͖ΔΑ͏ʹࣜมܗ͍ͯ͠Δ
ͷαϯϓϦϯά (2.11)ΑΓ Diricheletʹै͏ͷͰ
ͷαϯϓϦϯά
ͷαϯϓϦϯά Ҏ্͔Β
ͷαϯϓϦϯά (2.11)ΑΓ Diricheletʹै͏ͷͰ
ΪϒεαϯϓϦϯάʹΑΔಋग़
3.2.4 LDAͷपลԽΪϒεαϯϓϦϯά จॻ ͰજࡏτϐοΫ ͕ݱΕͨ୯ޠ શจॻʹରͯ͠τϐοΫ ͕୯ޠ ʹରͯ͠ਪఆ͞Εͨؔ
ʹ͓͚ΔपลԽ
ʹ͓͚ΔपลԽ ΑΓ
ʹ͓͚ΔपลԽ σΟϦΫϨͳͷͰ, σΟϦΫϨͷظͱͯ͠ܭࢉ͢Δ
None