PageRank | C implementation of the PageRank algorithm | GPU library

 by   purtroppo C Version: Current License: No License

kandi X-RAY | PageRank Summary

kandi X-RAY | PageRank Summary

PageRank is a C library typically used in Hardware, GPU, Example Codes applications. PageRank has no bugs, it has no vulnerabilities and it has low support. You can download it from GitHub.

aka this was interesting. C implementation of the PageRank algorithm, with and without parallelization. Used as a group project for the High Performance Computing course held at Ca' Foscari University of Venice, master's degree in Computer science. The algorithm is implemented sequentially and then parallelized using the openMP library.
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              PageRank has a low active ecosystem.
              It has 7 star(s) with 5 fork(s). There are 2 watchers for this library.
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              It had no major release in the last 6 months.
              PageRank has no issues reported. There are no pull requests.
              It has a neutral sentiment in the developer community.
              The latest version of PageRank is current.

            kandi-Quality Quality

              PageRank has no bugs reported.

            kandi-Security Security

              PageRank has no vulnerabilities reported, and its dependent libraries have no vulnerabilities reported.

            kandi-License License

              PageRank does not have a standard license declared.
              Check the repository for any license declaration and review the terms closely.
              OutlinedDot
              Without a license, all rights are reserved, and you cannot use the library in your applications.

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              PageRank releases are not available. You will need to build from source code and install.

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            PageRank Key Features

            No Key Features are available at this moment for PageRank.

            PageRank Examples and Code Snippets

            No Code Snippets are available at this moment for PageRank.

            Community Discussions

            QUESTION

            Neo4j poor order by query performance
            Asked 2021-May-10 at 13:01

            I have a complex cypher, When I don't use "order by" I get a pretty fast response but when I use "order by" it is incredibly slow. I have an b tree index on my order attribute(score of the movie which is PageRank algorithm score). I added the cypher.

            ...

            ANSWER

            Answered 2021-May-10 at 13:01

            You need to indicate to the planner that your m.score field is numeric, so pulls that from the index. I.e. where m.score > 0

            You should see it in your query plans.

            Your query looks also really convoluted, and generated. But actually not taking into account that always "false" expressions can just be left out from the query parts e.g. WHERE NOT [] = []

            Source https://stackoverflow.com/questions/67459833

            QUESTION

            How can I submit a Spark Graphx job example on Google Cloud Platform?
            Asked 2021-Feb-07 at 22:11

            I created a cluster on Google Cloud Platform having five linux based virtual machines (VM): one master and 4 workers. I ran ./start-master.sh on the master VM and ./start-worker.sh [external-master-IP:7077] on the worker VMs.

            Now I want to simply run a Graphx example job, for example a PageRank algorithm that is already in Spark, using ./bin/spark-submit.

            I know, I read the documentation, which says to run like this:

            ...

            ANSWER

            Answered 2021-Feb-07 at 22:11

            Yes, you need to add the jar in the spark-submit command :

            Source https://stackoverflow.com/questions/66093159

            QUESTION

            Why can't seaborn.pairplot finish drawing this plot?
            Asked 2021-Jan-31 at 12:18

            I have a dataframe central

            Then I want to plot the pairwise relationships between the columns with sns.pairplot(central). Could you please explain why the process just runs forever? I tried on both my laptop and Colab, but the problem persists.

            ...

            ANSWER

            Answered 2021-Jan-31 at 12:06

            For reasons unknown to me, the histplot for column eigen_central has a problem determining a reasonable number of bins. The pairplot works with kde plots in the diagonal sns.pairplot(central, diag_kind="kde"), and the histplot for column eigen_central alone also does not work as expected. You can overcome this problem by defining the bin number:

            Source https://stackoverflow.com/questions/65977652

            QUESTION

            how can i sort this array by age value?
            Asked 2020-Dec-09 at 08:46

            im studying right now and starting with reactjs and all that, i have to make a web page based in Game of thrones using an API, i recieve the api data and i can print in screen the img, name and age of the characters, but i need to sort them by their age.

            componentDidMount() {

            ...

            ANSWER

            Answered 2020-Dec-09 at 08:46

            Here you can find more information regarding sorting arrays in javascript.

            You can chain some Array operations like sort and filter, so the solution would be to first filter out the characters without an age, and then sort the result:

            Source https://stackoverflow.com/questions/65197502

            QUESTION

            Waiting for a function to complete before updating variables
            Asked 2020-Nov-14 at 15:12

            I'm still a beginner in programming. I was writing some code (C on Linux) to calculate the page rank of some example webpages. I'm using the google formula, which is here: http link

            Here is the code I wrote:

            ...

            ANSWER

            Answered 2020-Nov-14 at 15:12
            1. Allocate new variables

            2. Store the result to the new variables during calculation

            3. Store results to the original variables from the new variables after calculation

            Source https://stackoverflow.com/questions/64828804

            QUESTION

            Highlight nodes in draw_networkx visualisation according to the SPARQL query and Pagerank value
            Asked 2020-Oct-08 at 09:24

            Based on the question I asked last time: Applying PageRank to a topic hierarchy tree(using SPARQL query extracted from DBpedia)

            As I currently got the PageRank value against the Regulated concept map. Toward the concept "Machine_learning", my currently code is below:

            ...

            ANSWER

            Answered 2020-Oct-08 at 09:24

            I think you can pass a dictionary to the node_color parameter of the draw function. If you construct that dictionary such that the keys are the node-names and the values are the colours you want to associate with those node-names, then you should be able to get the formatting you want.

            e.g. if you have been able to run some SPARQL to generate a list of nodes you want to be green, and another list that you want to be blue, and assuming you've got a green_list and blue_list pair of lists of these nodenames, then you could construct your dict something like this:

            Source https://stackoverflow.com/questions/64256602

            QUESTION

            neo4j replacement query for getting graph features
            Asked 2020-Oct-02 at 17:46

            I have following variables in my dataset: Customer, Merchant, Age, gender, category, amount, fraud

            I need to generate following neo4j features from it:

            Degree, Pagerank, Community for merchant and customer as well. So, eventually something like this:

            merchdegree, custDegree, CustPagerank, merchPageRank, merchCommunity, custCommunity

            // Computing PageRank for placeholder nodes (This won’t work because this library has been deprecated)

            CALL algo.pageRank('Placeholder', 'PAYS', {writeProperty: 'pagerank'})

            // Community detection using label propagation

            CALL algo.beta.labelPropagation('Placeholder', 'PAYS', {write:true, writeProperty: "community", weightProperty: "cnt"})

            // Viewing the PageRank results (WIP)

            #MATCH (p:Placeholder) RETURN p.id AS id, p.pagerank as pagerank ORDER BY pagerank DESC

            However, this library has been deprecated. I would appreciate if someone can guide me how to get this features and what is the alternate code or library that need to be used for this.

            ...

            ANSWER

            Answered 2020-Oct-02 at 17:46

            In recent versions of Neo4j, the Graph Algo library was deprecated in favor of Graph Data Science library

            PageRank is now here

            Note: Some of the functions have may have evolved a little in the move, since I have it handy, here is an example using Weakly Connected Components to identify graph islands and label them with a group number. I'm writing back the values because I do this step during graph construction (as opposed to creating a separate virtual graph in memory)

            with graph library I was using

            Source https://stackoverflow.com/questions/64135612

            QUESTION

            Verbose output for networkx pagerank
            Asked 2020-Aug-13 at 18:37

            Suppose i create the following directed Graph using networkx and perform the pagerank algorithm on it

            ...

            ANSWER

            Answered 2020-Aug-13 at 18:37

            I've made a direct modification of networkx.pagerank algorithm to store the values of each iteration in a list.

            Source https://stackoverflow.com/questions/63396563

            QUESTION

            Writing multiple for-loops (including one similar to the sum() function) in a pythonic way
            Asked 2020-Aug-01 at 06:43

            I'm writing different basic algorithms to practice writing code in a pythonic manner. Below is a function that produces a basic pagerank score at step k for a given graph G:

            ...

            ANSWER

            Answered 2020-Aug-01 at 06:43

            Using list comprehension:

            Source https://stackoverflow.com/questions/63202025

            QUESTION

            Neo4j: Testing PageRank 'None' results
            Asked 2020-Jul-24 at 08:34

            I'm testing PageRank in a projected graph 'ns_reverse' where I've applied before Node Similarity. My dataset has initially two types of nodes 'Keywords' and 'Articles' that are linked by a relationship 'APPEARS_IN', like this:

            Keyword-[APPEARS_IN]->Article

            After applying Node Similarity, my projected graph has also a new relationship 'SIMILAR', like this:

            Article-[SIMILAR]->Article

            Now that I'm testing PageRank to mesure the importance of each 'Article' node, I getting 'None' for the nodes type 'Keyword' but I do not want 'Keywords' nodes to be mesured. Here is the code:

            ...

            ANSWER

            Answered 2020-Jul-24 at 08:34

            If you want PR to be computed only for Article nodes, you need to create another projected graph containing only these nodes and the relationship between them (I guess it is the new SIMILAR relationship):

            Source https://stackoverflow.com/questions/63017916

            Community Discussions, Code Snippets contain sources that include Stack Exchange Network

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            You can download it from GitHub.

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