Best Practice: Storing Files in Neo4J

Holly M.

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Oct 15, 2015, 3:20:01 PM10/15/15

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Hello everyone,

I am in the modeling phase of a project using Neo4J as a storage-backend.
The data I want to store is in form of a graph, so a graph database was the first choice.

But now I'm running into problems modeling the data structure.

In some cases I have to store whole files or documents. They are of different shape and format (xml, object files, .sh, .f etc)
and have nearly arbitrary length.
I want these datasets within my graph (or at least a reference for them or something)

It will not be necessary to search within the files a lot, but its important to find the files themselves when needed.

Now is my question: What is a recommended way of storing files or documents within graph database Neo4J?

Can I get them in a special labled node, or do I have to use references and another storing system just for the files to find them again?
Are there other possibilities of solving this problem?

Hoping for some advice,
Holly

Davis, Sean (NIH/NCI) [E]

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Oct 15, 2015, 3:23:26 PM10/15/15

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What are your requirements in terms of atomicity? Will the files and their relationships be changing often? Do you need to be able to “ship” the database around?

Sean

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Holly M.

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Oct 16, 2015, 12:15:41 AM10/16/15

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In most cases the tracked data will be fix. In some cases a data transfer could happen, but if the files are copied and stored afterwards then there will be no change in the data at all. Its just for read access.

Holly

Mahesh Lal

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Oct 16, 2015, 1:10:32 AM10/16/15

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One of the ways this can be solved is by storing the files on a file server or on disk and storing the metadata on them in Neo4j.
The metadata can be periodically updated while the nodes have a URL at which the file is stored.

On 16-Oct-2015 9:45 am, "Holly M." <holly...@gmail.com> wrote:
>
> In most cases the tracked data will be fix. In some cases a data transfer could happen, but if the files are copied and stored afterwards then there will be no change in the data at all. Its just for read access.
>
> Holly
>

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