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User Interests Identification on Twitter Using a Hierarchical Knowledge Base
Published on Jul 30, 20143337 Views
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Chapter list
User Interests Identification From Twitter using Hierarchial knowledge Base00:00
Agenda - 100:14
Motivation00:16
Twitter00:18
What's there? - 101:20
What's there? - 201:49
What's new? - 102:16
What's new? - 202:57
What's new? - 303:08
What's new? - 403:10
What's new? - 503:16
Advantages of Hierarchical Interests03:29
Approach - 104:18
Approach - 204:20
Approach - 304:22
Hierarchy Preprocessing04:28
Wikipedia Category Graph05:25
Wikipeda Hierarchy05:51
Determining the Hierarchial Level06:09
Links concurring to hierarchy06:20
Approach - 406:32
User Interests Generator - 106:48
User Interests Generator - 206:50
User Interests Generator - 306:52
Entity Extraction on Tweets07:02
Scoring Interests - 107:33
Scoring Interests - 208:02
Approach - 508:12
Naíve Strategy - Inferring every Hierarchical Interest08:21
Spreading Activation08:52
Spreading Activation Example - 109:07
Spreading Activation Example - 209:13
Activation Function09:21
Initial Experiments with Decay & Weighted Edge09:35
Results: Constant Decay09:48
Wikipedia Challenges to Find Relevant Nodes in the Hierarchy - 110:03
Wikipedia Challenges to Find Relevant Nodes in the Hierarchy - 210:22
Wikipedia Challenges to Find Relevant Nodes in the Hierarchy - 310:43
Wikipedia Challenges to Find Relevant Nodes in the Hierarchy - 410:51
Adressing Uneven Nodes Distribution11:17
Many to Many - Preferential Path - 112:06
Many to Many - Preferential Path - 212:42
Many to Many - Preferential Path - 312:46
Boost Intersecting Nodes - 112:50
Boost Intersecting Nodes - 212:51
Boost Intersecting Nodes - 312:52
Activation Functions14:24
Evaluation14:38
User Study - 114:43
User Study - 214:50
User Study - 315:12
Evaluation Metrics15:35
Evaluation Results - 116:19
Evaluation Results - 217:00
Implicit Interests - Syntactic - 117:15
Implicit Interests - Syntactic - 217:42
Hierarchy Evaluation18:25
Conclusion & Future Work19:11
Conclusion19:13
Future Work20:02
Thanks21:07