Questions tagged [network-analysis]

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Computing the “at least k friends in common” graph

Suppose we have the graph of a social network with symmetric connections (e.g. Facebook or LinkedIn). Suppose we would like to find all pairs of people who have at least k friends in common, in order ...
2
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0answers
35 views

Does minimumm spanning tree always include the node with highest degree?

I want to know why the distances between nodes in a minimum spanning tree seems to be rooted to the node with highest degree. A bit of context here: I have spatial explicit weighted network that ...
2
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1answer
172 views

Finding maximal and average number of time slots in an Adaptive tree walk protocol

Tried to research here and on other sites with no luck regarding finding the maximal and average number of time slots in an Adaptive tree walk protocol. i'll explain what i mean here: In a simple(...
1
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0answers
387 views

How can node2vec help find similar “roles” within a graph (nodes whose connections have similar structure within the graph)?

I have a question on the node2vec algorithm described in this paper. Node2vec is a deep learning algorithm that word2vec to graphs to learn embeddings. The authors claim that it can help find nodes ...
1
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0answers
237 views

What is the difference between multi-layer, multiplex and heterogeneous networks?

I know when we have multiple networks connected to each other, we can call every network a layer and the whole network is called multi-layer. But I don't know what is the difference between multi-...
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0answers
16 views

reference to model a network which nodes handle processing

does anybody have a basic reference (if it is possible) that explain how to mathematically model the state of a network. I assume that it goes like modeling a graph that is composed by nodes and edges....
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0answers
26 views

Are exponential random graph models based on Maximum Entropy Principle?

Can anyone shed light on whether or not ERGMs are network models based on the maximum entropy principle? Especially if we say that the available information about the network is in the form of network ...
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0answers
62 views

Identify community in a direct graph

I'm trying to identify communities in a direct graph. I only know how to use Spectral clustering and Girvan-Newman method but the both the methods work only with undirect graph. Am I wrong? So what ...
1
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0answers
87 views

Choosing edges to disconnect graph

I have an undirected simple graph and an integer x. My goal is to remove x edges from the graph so the largest connected component of the graph after the removal will be minimal. I tried to think how ...
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0answers
12 views

Community detections in networks using more than one factor?

all community detection algorithms in major python packages are using only edges & edge weights. Is there any algorithm that uses multiple attributes of nodes to detect communities? For ex, in ...
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0answers
9 views

What is the average time for a node to transmit on the shared medium for Ethernet? (IEEE 802.3)

Suppose a shared ethernet link L, in which for nodes T1-T4 and a router R are connected: ...
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0answers
160 views

utilization of bitmap protocol

I am curious about utilization calculation in the bitmap protocol. especially if there's a difference between if only station 0 wants to broadcast(and the others doesn't) or only some other station ...
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0answers
25 views

Affects of altering a line in “stop and wait” protocol(no noises)

what will happen if we change "to_physical_layer(&s)" to "to_physical_layer(&r)" in the following code(marked in the code where)? does it make the protocol fail? if so, show a scenario it ...
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0answers
51 views

Changes in prefix/ASN (Autonomous System Number) pairs?

I am wondering if a pair prefix/AS may change often ? I mean let's say we have a list with many given prefixes (e.g. 4.6.20.0/24) that are mapped to ASN (e.g. 10753), this list is built on a given ...