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Music of the (p)Spheres
Published on Feb 25, 20075420 Views
This lecture is talking about **Nearest Neighbours** //Once upon a time...// **//Musica universalis//**//** **or **music of the spheres** is a medieval\\ philosophical concept that regards the proport
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Chapter list
The Music of the (p) Spheres00:00
Nearest Neighbours00:19
Nearest Neighbours00:26
Nearest Neighbour - Euclidean distance - Cosine similarity02:42
Random Clustering03:04
Random Clustering03:17
P-spheres05:03
Once upon a time05:45
P-spheres06:32
P-spheres07:02
P-spheres07:12
P-spheres07:29
P-spheres07:52
P-spheres08:05
P-spheres08:09
Rank Aggregation08:53
Rank Aggregation09:19
Project docs on a random line09:39
Project query: closest doc gets one vote09:45
Repeat with a set of random lines10:05
Elections10:29
Evaluation11:18
Competitive Recall11:23
Competitive Recall11:59
Competitive Recall12:12
Competitive Recall12:30
Competitive Recall12:41
Competitive Similarity13:04
Competitive Similarity13:21
The dataset13:39
What we measure14:04
Points of Interest14:25
Random Clustering: 1 level of recursion is best15:47
Random Clustering: Centroids are best17:38
P-Spheres vs Random Clustering17:57
Quality vs Computational Effort18:00
Space:the Final Frontier18:56
The Bottomline19:32
Rank Aggregation20:11
Rank Aggregation vs Random Clustering20:16
Possible Explanation20:57
Future Directions21:52
A Challenge22:50