Can the popularity of an open-source software project be predicted by analysing its source repository?

Hi, There are many platforms that provide hosting services for software developers(e.g. Atlassian's Bitbucket, Github) for free, many open-source projects are hosted on these platforms and the...

02 March 2018 6,632 7 View

Any idea how to identify a "fake user" on a social network?

Hi, Does anybody know any method(or research done) to detect a fake user in a website like Twitter or LinkedIn; by "fake user" I mean an account which its user is not a human being and can be a...

05 June 2016 5,759 11 View

Best strategy to partition a biconnected graph?

Does anyone know a fast method to decompose a biconnected graph, into probably overlapping clusters?, as you may know, a biconnected graph is a graph without any articulation nodes. any...

03 April 2016 6,931 4 View

Is there a survey/research paper containing a thorough list of edge or node centralities measures?

There are so many proposed centrality measures; like Between-ness or Degree or PageRank, etc; as you may know they're used mostly for mapping a real value number to a node/edge as a notion of...

04 May 2015 1,110 0 View

How to tell "where does the tail start" in a data pertaining to have heavy-tailed distributions?

consider you've got X that follows heavy-tailed distribution(for instance its values are following Pareto distribution), so how could one tell where does actually the heavy tail start from? btw,...

03 April 2015 6,235 6 View

Is there a way to shrink a graph while preserving some features from the original graph?

say you've got a huge graph with millions of edges and nodes and want to transform it into a smaller graph losing some edges and also some nodes, it could be still big but more manageable in size...

03 April 2015 2,281 12 View

Can someone help me with a community detection algorithm code?

Does anybody have the code for PageRank-Nibble algorithm preferably for Python or Java? i've got SNAPY and NetworKit(a really interesting tool) and Graph-tool(it's very fast) and NetworkX(it's...

02 March 2015 2,329 8 View

Are there any data mining and machine learning research papers with the data and code available for download?

do you know of any research papers{since 2012 and upwards preferably} in fields of Data Mining and Machine Learning in general that the researchers may have put both the data and the...

01 February 2015 8,366 4 View

What are the state of the art community detection algorithms for very large graphs?

I wanted to see what are the algorithms proposed to the day to handle {detect communities or clusters of densely interconnected nodes} large graphes with millions of nodes and edges, any resources...

31 December 2014 7,312 6 View

What features of users textual messages are more important for clustering users into distinctive groups?

31 December 2014 9,116 11 View

What is your perception on using visual analysis or quantitative approaches to evaluate data from single-case research designs (n of 1 trials)?

Results of single-case research designs (i.e., n-of-1 trials) are often evaluated by visually inspecting the time-series graph and computing quantitative indices. A question our research team is...

03 March 2021 687 1 View

Resistor definition in Piezoelectric bimorph with ANSYS workbench

Hello, good day! I am trying to simulate similar bimorph piezoelectric harvester with below commands. However, the output power doesn't change with resistor value. Please help to find the reason. ET,10,CIRCU94,0 !SET UP RESISTOR R,1,100000 !RESISTANCE VALUE TYPE,10 !SET ELEMENT TYPE E,1,2 !CREATE RESISTOR BETWEEN NODES 1 AND 2 Thanks in advance Regards,

02 March 2021 0 0 View

Timeout error!! Processor in the loop (PIL) using STM32F4 Matlab 2018a?

Dear Researchers I am trying to perform a PIL simulation using STM32F4 Discovery board and comunication serial USB TO TTL. During simulation I receive the following timeout error: An error...

01 March 2021 2,327 1 View

Which is suitable for use with Python? MySQL or SQL Server?

Which is suitable for use with Python? MySQL or SQL Server? What is your suggestion?

01 March 2021 3,422 3 View

How to model the battery pack in PSIM or PSCAD?

Hello, I have simulated a single battery cell using Thevenin equivalent circuit. For a battery pack, I have a large number of cells connected in series and parallel connections. Is there any way...

28 February 2021 2,116 1 View

How to plot the probability paper of Gumbel distribution using R programing?

In R-studio, there are many commands of Gumbel package. Arguments are also different. I`m asking about the alpha parameter of the Copula which must be greater than 1. If this is the one used to...

25 February 2021 5,229 3 View

What software programs can directly simulate Additive Manufacturing Directed Energy Deposition (DED)?

I understand there are a lot of software programs that can simulate DED by going through specific modeling, simulation, and commands. For me, that was time consuming and results were not accurate....

24 February 2021 4,428 3 View

I am looking for a simple software program to model 3D chemical bonds. The purpose is to generate high-quality graphical abstracts. Any suggestion?

Hello everyone: I am looking for a simple software program to model chemical bonds. The purpose is to generate a high-quality graphical abstract for a top leading journal in the field of...

23 February 2021 8,012 3 View

How to estimate 2SLS with different instruments for different endogenous variables?

To be specific, I want to conduct an IV regression in stata with the following three equations. EQ1: Y1 ~Y2 Y3 X EQ2: Y2 ~ Z1 EQ3: Y3 ~ Z2 Both Y2 and Y3 are endogenous. However, Z1 and Z2 are...

23 February 2021 6,266 3 View

How to constrain genetic algorithm input u?

My real system (buck converter) can only take an input of 0 to 1 (duty ratio) and I need to constrain the system so the controller action keeps within this bounds. How can I do this? The code for...

22 February 2021 2,125 3 View