Date post: | 26-Jan-2015 |
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Social Media |
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Alisa Kongthon, Ph.D. Speech and Audio Technology Laboratory
National Electronics and Computer Technology Center
2 Source: zocialrank.com
! A tool to help companies determine what is being said about their brand, product or service on social media
! Convert unstructured information from user generated content into meaningful consumer understanding
Social Media Analysis Metrics
Volume Number of comments or posts
Sentiment Overall tone, polarity to brand, product
Topics Features and words associated with brand
Influence Ability of individual to create buzz
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! Thai Natural Language Processing ! Word segmentation ! Word normalization
! Text Mining ! Feature word extraction ! Topic filtering/classification
! Sentiment Analysis
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Input: Social media, Webboard, Reviews
Analyses:
• Keyword analysis • Intention analysis • Sentiment analysis • Language usage analysis
Display and Report:
• Graph, Chart or Tag Cloud • Interactive Dashboard • Adaptive Emoticon
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Interactive Dashboard
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Interactive Dashboard
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Social Media for Emergency Response http://mashable.com/2011/02/11/social-‐media-‐in-‐emergencies/
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! The 2011 flood (July – December 2011) has been described as the country’s worst disaster in recent history
! The World Bank estimated total economic damage to be approximately $45 billion
! The National Social and Economic Development Board reduced Thailand’s economic growth forecast from 3.5-‐4% to 1.5%
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Source:www.ZocialRank.com
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! Retrieved 175,551 Tweets (from 23/10/2011 to 17/12/2011) using the keyword ‘#thaiflood’
! After removing “Retweets” and duplicates, our data set contained 64,582 unique Tweets
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! Situational announcements and alerts ! up-‐to-‐date situational and location-‐based information related to the flood such as water levels, traffic conditions and road conditions in certain areas. In addition, emergency warnings from authorities advising citizens to evacuate areas, seek shelter or take other protective measures are also included.
! Support announcements ! support announcements such as free parking availability, free emergency survival kits distribution and free consulting services for home repair.
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! Requests for assistance ! messages requesting any types of assistance; such as food, water, medical supplies, volunteers or transportation.
! Requests for information ! general inquiries related to the flood and flood relief such as inquiries for telephone numbers of relevant authorities, regarding the current situation in specific locations and about flood damage compensation.
! Other ! all other messages, such as general comments; complaints and expressions of opinions.
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User ID #Tweets #Retweets #Followers
Meenajah 1394 1989 97
BengoshiNadda 939 1255 512
Nonflood 703 1007 581
AeyEegg 642 859 279
LostFoundTh 607 811 285
sawetachai 499 758 1194
thaiflood 490 14272 107791
bkk24 469 1628 627
thaifloodUpdate 440 468 21
SiamArsa 420 3916 34574
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User ID #Followers #Tweets #Retweets
chocoopal 314954 11 137
suthichai 232242 8 134
Kitti3Miti 209505 5 20
js100radio 191840 5 127
jjetrin 178644 3 27
Noom_Kanchai 174164 1 12
MajorGroup 139760 7 90
ThaiPBS 135618 78 857
wongthanong 134607 1 3
paloyhorwang 119119 1 1
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User ID #Followers #Tweets #Retweets
thaiflood 14272 490 107791
SiamArsa 3916 420 34574
kapookdotcom 1997 302 33403
GCC_1111 1544 214 19671
ittipat_Rw 1495 178 14572
Rawangpai 1339 83 84955
Pat_ThaiPBS 1137 326 8742
KBank_Live 972 76 63819
iwhale 966 77 34584
ThaiPBS 857 78 135618
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! Ranking the users based on the number of Retweets can help identify the perceived credibility of the influencers
! With this list of influential Twitter users, citizens can choose which sources of information they would follow during the natural disaster; in order to obtain the most relevant, up-‐to-‐date, and credible information
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! Fast dissemination of information to large groups
! Interactive ! Access through mobile devices ! Growing natural proclivity
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! Aggregation (lots of tiny pieces!) ! Anomaly detection (what isn’t just noise?) ! Accurate information (vs. outdated, inaccurate, and false information)
! Malicious use of social media during disasters
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! Language Analysis and Text Mining ! Blog Analysis ! Comparison detection ! Sarcasm detection ! Rumor detection
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