Insight demo
-
Upload
xin-shuai -
Category
Technology
-
view
470 -
download
0
description
Transcript of Insight demo
![Page 1: Insight demo](https://reader034.fdocuments.us/reader034/viewer/2022051322/544f8d74af7959000a8b45ec/html5/thumbnails/1.jpg)
TwiNews: Detect local user interests in Twitter to re-
rank newsXin Shuai
Tuesday, October 8, 2013
![Page 2: Insight demo](https://reader034.fdocuments.us/reader034/viewer/2022051322/544f8d74af7959000a8b45ec/html5/thumbnails/2.jpg)
Tuesday, October 8, 2013
![Page 3: Insight demo](https://reader034.fdocuments.us/reader034/viewer/2022051322/544f8d74af7959000a8b45ec/html5/thumbnails/3.jpg)
Tuesday, October 8, 2013
![Page 4: Insight demo](https://reader034.fdocuments.us/reader034/viewer/2022051322/544f8d74af7959000a8b45ec/html5/thumbnails/4.jpg)
Top ranked news
may not satisfy all users
from different geographicallocations!
Tuesday, October 8, 2013
![Page 5: Insight demo](https://reader034.fdocuments.us/reader034/viewer/2022051322/544f8d74af7959000a8b45ec/html5/thumbnails/5.jpg)
Not relevant to
China!
Tuesday, October 8, 2013
![Page 6: Insight demo](https://reader034.fdocuments.us/reader034/viewer/2022051322/544f8d74af7959000a8b45ec/html5/thumbnails/6.jpg)
Word Closeness Local User Interests
Tuesday, October 8, 2013
![Page 7: Insight demo](https://reader034.fdocuments.us/reader034/viewer/2022051322/544f8d74af7959000a8b45ec/html5/thumbnails/7.jpg)
How to detect the local user interests given a news query?
Tuesday, October 8, 2013
![Page 8: Insight demo](https://reader034.fdocuments.us/reader034/viewer/2022051322/544f8d74af7959000a8b45ec/html5/thumbnails/8.jpg)
How to detect the local user interests given a news query?
Tuesday, October 8, 2013
![Page 9: Insight demo](https://reader034.fdocuments.us/reader034/viewer/2022051322/544f8d74af7959000a8b45ec/html5/thumbnails/9.jpg)
Tuesday, October 8, 2013
![Page 10: Insight demo](https://reader034.fdocuments.us/reader034/viewer/2022051322/544f8d74af7959000a8b45ec/html5/thumbnails/10.jpg)
Tuesday, October 8, 2013
![Page 11: Insight demo](https://reader034.fdocuments.us/reader034/viewer/2022051322/544f8d74af7959000a8b45ec/html5/thumbnails/11.jpg)
Can we provide localized news ranking for users by leveraging
geographical tweets?
Tuesday, October 8, 2013
![Page 12: Insight demo](https://reader034.fdocuments.us/reader034/viewer/2022051322/544f8d74af7959000a8b45ec/html5/thumbnails/12.jpg)
Tuesday, October 8, 2013
![Page 13: Insight demo](https://reader034.fdocuments.us/reader034/viewer/2022051322/544f8d74af7959000a8b45ec/html5/thumbnails/13.jpg)
LDAtopic model
topic 1 technology:
mobileiphone
topic 2economy:
marketstock
investor
Tuesday, October 8, 2013
![Page 14: Insight demo](https://reader034.fdocuments.us/reader034/viewer/2022051322/544f8d74af7959000a8b45ec/html5/thumbnails/14.jpg)
LDAtopic model
topic 1 technology:
mobileiphone
topic 2economy:
marketstock
investor
tweet 1
tweet 2
tweet n
topic 1 topic 2
Tuesday, October 8, 2013
![Page 15: Insight demo](https://reader034.fdocuments.us/reader034/viewer/2022051322/544f8d74af7959000a8b45ec/html5/thumbnails/15.jpg)
LDAtopic model
topic 1 technology:
mobileiphone
topic 2economy:
marketstock
investor
tweet 1
tweet 2
tweet n
topic 1 topic 2
local topical distribution
+
+
+technology (topic 1)
Tuesday, October 8, 2013
![Page 16: Insight demo](https://reader034.fdocuments.us/reader034/viewer/2022051322/544f8d74af7959000a8b45ec/html5/thumbnails/16.jpg)
LDAtopic model
topic 1 technology:
mobileiphone
topic 2economy:
marketstock
investor
tweet 1
tweet 2
tweet n
topic 1 topic 2
local topical distribution
+
+
+technology (topic 1)
Tuesday, October 8, 2013
![Page 17: Insight demo](https://reader034.fdocuments.us/reader034/viewer/2022051322/544f8d74af7959000a8b45ec/html5/thumbnails/17.jpg)
LDAtopic model
topic 1 technology:
mobileiphone
topic 2economy:
marketstock
investor
tweet 1
tweet 2
tweet n
topic 1 topic 2
news 1
news 2
news 3
technology (topic 1)
local topical distribution
+
+
+technology (topic 1)
Tuesday, October 8, 2013
![Page 18: Insight demo](https://reader034.fdocuments.us/reader034/viewer/2022051322/544f8d74af7959000a8b45ec/html5/thumbnails/18.jpg)
LDAtopic model
topic 1 technology:
mobileiphone
topic 2economy:
marketstock
investor
tweet 1
tweet 2
tweet n
topic 1 topic 2
news 1
news 2
news 3
technology (topic 1)
local topical distribution
+
+
+technology (topic 1)
cosine similarity
cosine similarity
cosine similarity
Tuesday, October 8, 2013
![Page 19: Insight demo](https://reader034.fdocuments.us/reader034/viewer/2022051322/544f8d74af7959000a8b45ec/html5/thumbnails/19.jpg)
A/B Testing
TwiNews
30 queries, 2 weeks100 turkers from CA & NY
+3%
+7%
t-test: p < 0.05
A
B
Tuesday, October 8, 2013
![Page 20: Insight demo](https://reader034.fdocuments.us/reader034/viewer/2022051322/544f8d74af7959000a8b45ec/html5/thumbnails/20.jpg)
GibbsLDA++
Tuesday, October 8, 2013
![Page 21: Insight demo](https://reader034.fdocuments.us/reader034/viewer/2022051322/544f8d74af7959000a8b45ec/html5/thumbnails/21.jpg)
localized news ranking
localized user interests from Twitter
Tuesday, October 8, 2013
![Page 22: Insight demo](https://reader034.fdocuments.us/reader034/viewer/2022051322/544f8d74af7959000a8b45ec/html5/thumbnails/22.jpg)
localized news ranking localized targeted advertising
localized user interests from Twitter
Tuesday, October 8, 2013
![Page 23: Insight demo](https://reader034.fdocuments.us/reader034/viewer/2022051322/544f8d74af7959000a8b45ec/html5/thumbnails/23.jpg)
localized news ranking localized targeted advertising
localized deal recommendation
localized user interests from Twitter
Tuesday, October 8, 2013
![Page 24: Insight demo](https://reader034.fdocuments.us/reader034/viewer/2022051322/544f8d74af7959000a8b45ec/html5/thumbnails/24.jpg)
localized news ranking localized targeted advertising
localized deal recommendation
localized user interests from Twitter
localized music/movie recommendation
Tuesday, October 8, 2013
![Page 25: Insight demo](https://reader034.fdocuments.us/reader034/viewer/2022051322/544f8d74af7959000a8b45ec/html5/thumbnails/25.jpg)
Xin Shuai
Tuesday, October 8, 2013
![Page 26: Insight demo](https://reader034.fdocuments.us/reader034/viewer/2022051322/544f8d74af7959000a8b45ec/html5/thumbnails/26.jpg)
LDA topic modelingLDA (Latent Dirichlet Allocation)
Tuesday, October 8, 2013
![Page 27: Insight demo](https://reader034.fdocuments.us/reader034/viewer/2022051322/544f8d74af7959000a8b45ec/html5/thumbnails/27.jpg)
LDA topic modelingLDA (Latent Dirichlet Allocation)
topic 1:mobileiphone
facebookipad
topic 2:marketstockindex
investor
topic 3:............
Tuesday, October 8, 2013
![Page 28: Insight demo](https://reader034.fdocuments.us/reader034/viewer/2022051322/544f8d74af7959000a8b45ec/html5/thumbnails/28.jpg)
Amazon Mechanical TurkPrice: eleven cents/HITS
Total Cost: over 200 dollars
Tuesday, October 8, 2013
![Page 29: Insight demo](https://reader034.fdocuments.us/reader034/viewer/2022051322/544f8d74af7959000a8b45ec/html5/thumbnails/29.jpg)
Tuesday, October 8, 2013
![Page 30: Insight demo](https://reader034.fdocuments.us/reader034/viewer/2022051322/544f8d74af7959000a8b45ec/html5/thumbnails/30.jpg)
Tuesday, October 8, 2013
![Page 31: Insight demo](https://reader034.fdocuments.us/reader034/viewer/2022051322/544f8d74af7959000a8b45ec/html5/thumbnails/31.jpg)
Tuesday, October 8, 2013
![Page 32: Insight demo](https://reader034.fdocuments.us/reader034/viewer/2022051322/544f8d74af7959000a8b45ec/html5/thumbnails/32.jpg)
Tuesday, October 8, 2013