graphstore | Fast in-memory graph structure , powering Gephi

 by   gephi Java Version: 0.7.0 License: Apache-2.0

kandi X-RAY | graphstore Summary

kandi X-RAY | graphstore Summary

graphstore is a Java library typically used in User Interface applications. graphstore has no vulnerabilities, it has build file available, it has a Permissive License and it has low support. However graphstore has 83 bugs. You can download it from GitHub, Maven.

GraphStore is an in-memory graph structure implementation written in Java. It's designed to be powerful, efficient and robust. It's powering the Gephi software and supports large graphs in intensive applications.
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            kandi-support Support

              graphstore has a low active ecosystem.
              It has 64 star(s) with 25 fork(s). There are 7 watchers for this library.
              There were 1 major release(s) in the last 12 months.
              There are 2 open issues and 146 have been closed. On average issues are closed in 122 days. There are 2 open pull requests and 0 closed requests.
              It has a neutral sentiment in the developer community.
              The latest version of graphstore is 0.7.0

            kandi-Quality Quality

              OutlinedDot
              graphstore has 83 bugs (0 blocker, 6 critical, 37 major, 40 minor) and 1307 code smells.

            kandi-Security Security

              graphstore has no vulnerabilities reported, and its dependent libraries have no vulnerabilities reported.
              graphstore code analysis shows 0 unresolved vulnerabilities.
              There are 33 security hotspots that need review.

            kandi-License License

              graphstore is licensed under the Apache-2.0 License. This license is Permissive.
              Permissive licenses have the least restrictions, and you can use them in most projects.

            kandi-Reuse Reuse

              graphstore releases are available to install and integrate.
              Deployable package is available in Maven.
              Build file is available. You can build the component from source.
              Installation instructions, examples and code snippets are available.
              graphstore saves you 20213 person hours of effort in developing the same functionality from scratch.
              It has 39804 lines of code, 4199 functions and 176 files.
              It has high code complexity. Code complexity directly impacts maintainability of the code.

            Top functions reviewed by kandi - BETA

            kandi has reviewed graphstore and discovered the below as its top functions. This is intended to give you an instant insight into graphstore implemented functionality, and help decide if they suit your requirements.
            • Copies the given nodes from the given set of nodes
            • Compares two configuration objects
            • Adds a new column to the table
            • Create the standard index for the given column
            • Serialize to array of edges
            • Returns an array containing all of the elements in this store
            • Create memory
            • Inserts the inner element at the end of the array
            • Returns an array of NodeImpl objects
            • Returns an array containing all of the nodes in this store
            • Gets all elements in the given interval
            • Generates a KotbergGraph
            • Removes all of the elements in the specified collection
            • Gets the max timestamp
            • Removes all elements in the specified collection that are contained in the specified collection
            • Returns the minimum value in the list
            • Creates a Runnable that is not writable
            • Returns the maximum value in the list
            • Returns a Runnable thatwrites all read - writes
            • Fair write only
            • Returns a Runnable that will be reread only once
            • Partitions the thread to evenly read writes
            • Fair - read only
            • Iterate over an empty set
            • Iterate over the bit vector
            • Compares this interval with another interval
            Get all kandi verified functions for this library.

            graphstore Key Features

            No Key Features are available at this moment for graphstore.

            graphstore Examples and Code Snippets

            GraphStore,Developers,How to build
            Javadot img1Lines of Code : 1dot img1License : Permissive (Apache-2.0)
            copy iconCopy
            > mvn clean install
              
            GraphStore,Developers,How to test
            Javadot img2Lines of Code : 1dot img2License : Permissive (Apache-2.0)
            copy iconCopy
            > mvn test
              
            GraphStore,How to obtain code coverage report
            Javadot img3Lines of Code : 1dot img3License : Permissive (Apache-2.0)
            copy iconCopy
            > mvn jacoco:report
              

            Community Discussions

            QUESTION

            Can there be a disconnect between the ontology and the RDF data in an RDF database?
            Asked 2020-Feb-21 at 00:39

            Is it possible that the relationships of the data in a RDF graphstore are different from that defined in an ontology?

            For example, let's say the ontology says for a class Person, it has the following attributes,

            ...

            ANSWER

            Answered 2020-Feb-21 at 00:39

            RDF is schema-less, that is one of the major differences to e.g. relational databases. This also answers your other questions, there is no fixed schema in a triple store, and a triple store just has to store those triples - how they do it internally doesn't matter.

            As for DBpedia: it uses mapping templates that define how to map data from Wikipedia infoboxes to RDF. And those reuse classes and properties from the DBpedia ontology.

            The role of an ontology in this context is mostly descriptive, that is it defines a recommended vocabulary and structure for knowledge sharing. But it does not restrict you to only use that particular vocabulary.

            Source https://stackoverflow.com/questions/60289331

            QUESTION

            Jena Fuseki SPARQL INSERT in PHP (EasyRDF lib)
            Asked 2018-Apr-24 at 07:38

            I'm trying to run the sample code from the EasyRDF library with Apache Jena Fuseki, but the following error occurs when entering data into the database:

            Fatal error: Uncaught exception 'EasyRdf_Exception' with message 'HTTP request for http:// localhost:3030/test/update?graph=http%3A%2F%2Flocalhost%3A3030%2Ftest%2Ftime.rdf failed: Must be application/sparql-update or application/x-www-form-urlencoded (got application/n-triples)' in D:\Files\xampp\htdocs\test\easyrdf-0.9.0\lib\EasyRdf\GraphStore.php:152 Stack trace: #0 D:\Files\xampp\htdocs\test\easyrdf-0.9.0\lib\EasyRdf\GraphStore.php(217): EasyRdf_GraphStore->sendGraph('POST', Object(EasyRdf_Graph), 'time.rdf', 'ntriples') #1 D:\Files\xampp\htdocs\test\graphstore.php(34): EasyRdf_GraphStore->insert(Object(EasyRdf_Graph), 'time.rdf') #2 {main} thrown in D:\Files\xampp\htdocs\test\easyrdf-0.9.0\lib\EasyRdf\GraphStore.php on line 152

            Follow the code:

            ...

            ANSWER

            Answered 2018-Apr-24 at 07:38

            You are mixing up the SPARQL 1.1 Protocol and the SPARQL 1.1 Graph Store HTTP Protocol.
            The difference is that the latter doesn't use SPARQL queries to perform operations on RDF graphs.

            For every protocol, Fuseki exposes two URIs: for read and for write operations.

            Thus, if you want to use the SPARQL 1.1 Graph Store HTTP Protocol, you should write:

            Source https://stackoverflow.com/questions/49958702

            QUESTION

            Multiple uses of single store on same page
            Asked 2017-Oct-31 at 04:52

            I have a store that performs a fetch to get graph data from my server using asyncAction from mobx-utils.

            It looks like this:

            ...

            ANSWER

            Answered 2017-Oct-31 at 04:52

            There are many ways to do it, but I would utilize the object oriented nature of MobX, and create one data store, that is instantiated and passed down as a provider to all components. You can see this as your "local db" if you will.

            Then just add methods on that data store to fetch and create different instances of Graphs.

            Here's some example code (no typescript)

            Source https://stackoverflow.com/questions/47009922

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

            Vulnerabilities

            No vulnerabilities reported

            Install graphstore

            Stable releases can be found on Maven central. Development builds can be found on Sonatype's Snapshot Repository.
            GraphStore uses Maven for building.

            Support

            API Documentation is available here.
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          • HTTPS

            https://github.com/gephi/graphstore.git

          • CLI

            gh repo clone gephi/graphstore

          • sshUrl

            git@github.com:gephi/graphstore.git

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