Đã Đóng

please explain this algorithm

Given a complete probabilistic network G =(V,E,l) (i.e. with each edges e weighted by a likelihood  l(e) being a transmission link, e.g. l(e) ~ 1/d(e)), an α-spanning subnetwork (where α by default 95%) is a subnetwork N of G such that for any cut V= X+X’

(partitioning V into subset X and its complement X’=V-X), the sum of likelihoods of N-edges  cut is at least α% of the total likelihood of G-edges cut. We want to find minimum α-spanning subnetwork, which is the one with the minimum number of edges.

Problem of finding α-spanning subnetwork.

We can solve this problem either by ILP or by the following greedy heuristic:

N <- empty

α-SPAN: Sort all edges in ascending order of likelihoods l(e)

Delete edges until vertices are partitioned into two disjoint vertex subsets X and V-X

Sort all edges between X and V-X by likelihood in descending order and add them to N until  α% of the total likelihood is reached

Recursively apply α-SPAN for X and V-X

Kĩ năng: Thuật toán, Lập trình C++, Java, Toán học, Matlab and Mathematica

Xem nhiều hơn: problem sugarcrm email problem, want number markers google map api, auto complete phone number javascript, solve problem script, can solve problem karachi, oscommerce problem finding pages, shortest path problem finding bids, solve problem linux, write complete java program implement towers hanoi problem, explain company given scenario apply expectancy theory motivation, maximum number coins coin change problem, solve problem bankers algorithm, explain significance given factors project design plan, algorithm to check if a number is prime, algorithm to check if a number is prime or not, explain algorithm, explain algorithm with example, Want to our country money problem

Về Bên Thuê:
( 14 nhận xét ) atlanta, United States

ID dự án: #21886542

5 freelancer đang chào giá trung bình $54 cho công việc này

ninestar801

Hi, I have gone through your requirements and I can do this task. The skills and resources needed for this project are in my genes. I can assure you for a complete professional work in given time [login to view URL] share comp Thêm

$50 USD trong 7 ngày
(30 Nhận xét)
5.0
Artemrodin1987

Hello, I have just read your requirement very careful and I am sure that I can finish it for 1 hours because I am a professional C/C++ expert with strong algorithm. Now I don't have even one review because I am a new f Thêm

$70 USD trong 1 ngày
(2 Nhận xét)
1.4
golabian2020

hi there, the first algorithm is a version of min cut- max flow problem and the second one relies on transitivity of \alpha-span. Contact me for more details.

$100 USD trong 2 ngày
(2 Nhận xét)
1.2
Bobga

Greetings! I have gone through project and I know what you are looking for. I have done similar work in the past, so it won't take much of your time. Do not pay me until you get full satisfaction. I am looking forward Thêm

$30 USD trong 1 ngày
(0 Nhận xét)
0.7
ubc123

I'm an algorithms enthusiast and a competetive programmer. I can solve this problem and give you the detailed documentation. Using C++.

$20 USD trong 7 ngày
(0 Nhận xét)
0.0