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# Design and Architecture

 How do you design this? : with a better example VuNic30-Dec-12 18:57 VuNic 30-Dec-12 18:57
 Re: How do you design this? : with a better example Christian Graus30-Dec-12 19:25 Christian Graus 30-Dec-12 19:25
 Re: How do you design this? : with a better example VuNic30-Dec-12 19:42 VuNic 30-Dec-12 19:42
 Re: How do you design this? : with a better example Christian Graus30-Dec-12 19:46 Christian Graus 30-Dec-12 19:46
 Re: How do you design this? : with a better example jschell31-Dec-12 10:10 jschell 31-Dec-12 10:10
 Re: How do you design this? : with a better example Eddy Vluggen31-Dec-12 18:04 Eddy Vluggen 31-Dec-12 18:04
 Re: How do you design this? : with a better example Keld Ølykke16-Jan-13 12:23 Keld Ølykke 16-Jan-13 12:23
 How to find the similarity between users in Twitter ? How to design a good and efficient idea? ldaneil27-Dec-12 8:26 ldaneil 27-Dec-12 8:26
 ```I am working on a project about data mining. my company has given me 6 million dummy customer info of twitter. I was assigned to find out the similarity between any two users. can anyone could give me some ideas how to deal with the large community data? Thanks in advance   Problem : I use the tweets & hashtag info(hashtags are those words highlighted by user) as the two criteria to measure the similarity between two different users. Since the large number of users, and especially there may be millions of hastags & tweets of each user. Can anyone tell me a good way to fast calculate the similarity between two users? I have tried to use FT-IDF to calculate the similarity between two different users, but it seems infeasible. can anyone have a very super algorithm or good ideas which could make me fast find all the similarities between users?   For example: user A's hashtag = {cat, bull, cow, chicken, duck} user B's hashtag ={cat, chicken, cloth} user C's hashtag = {lenovo, Hp, Sony}   clearly, C has no relation with A, so it is not necessary to calculate the similarity to waste time, we may filter out all those unrelated user first before calculate the similarity. in fact, more than 90% of the total users are unrelated with a particular user. How to use hashtag as criteria to fast find those potential similar user group of A? is this a good idea? or we just directly calculate the relative similarity between A and all other users? what algorithm would be the fastest and customized algorithm for the problem?```
 Re: How to find the similarity between users in Twitter ? How to design a good and efficient idea? Pete O'Hanlon27-Dec-12 8:39 Pete O'Hanlon 27-Dec-12 8:39
 Re: How to find the similarity between users in Twitter ? How to design a good and efficient idea? ldaneil27-Dec-12 8:50 ldaneil 27-Dec-12 8:50
 Re: How to find the similarity between users in Twitter ? How to design a good and efficient idea? jschell27-Dec-12 10:21 jschell 27-Dec-12 10:21
 Re: How to find the similarity between users in Twitter ? How to design a good and efficient idea? ldaneil28-Dec-12 9:31 ldaneil 28-Dec-12 9:31
 Re: How to find the similarity between users in Twitter ? How to design a good and efficient idea? April Fans27-Dec-12 16:43 April Fans 27-Dec-12 16:43
 Re: How to find the similarity between users in Twitter ? How to design a good and efficient idea? ldaneil28-Dec-12 9:36 ldaneil 28-Dec-12 9:36
 Re: How to find the similarity between users in Twitter ? How to design a good and efficient idea? April Fans3-Jan-13 17:46 April Fans 3-Jan-13 17:46
 Re: How to find the similarity between users in Twitter ? How to design a good and efficient idea? Marc Koutzarov30-Aug-14 0:54 Marc Koutzarov 30-Aug-14 0:54
 Client - Server approach bugal21-Dec-12 1:33 bugal 21-Dec-12 1:33
 Re: Client - Server approach jschell22-Dec-12 15:11 jschell 22-Dec-12 15:11
 How do you design this ? VuNic18-Dec-12 3:33 VuNic 18-Dec-12 3:33
 Re: How do you design this ? Pete O'Hanlon18-Dec-12 3:47 Pete O'Hanlon 18-Dec-12 3:47
 Re: How do you design this ? VuNic18-Dec-12 3:54 VuNic 18-Dec-12 3:54
 Re: How do you design this ? Pete O'Hanlon18-Dec-12 4:02 Pete O'Hanlon 18-Dec-12 4:02
 Re: How do you design this ? Lampridis Vasilis30-Dec-12 1:04 Lampridis Vasilis 30-Dec-12 1:04
 Re: How do you design this ? VuNic30-Dec-12 19:00 VuNic 30-Dec-12 19:00
 Re: How do you design this ? jschell18-Dec-12 9:14 jschell 18-Dec-12 9:14
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