On Tue, Jun 7, 2011 at 06:36, McKinley mckinley1...@gmail.com wrote:
I will release a RingoJS package for Neo4j soon. Please let me know if you
have any questions. If you would like to arrange a demonstration of Neo4j
and RingoJS at your local meetup in San Francisco, Orange County or San
Great!
I'm looking forward to test the new version.
Hi Miklós,
Batch updates through the REST API will be supported from 1.4 M4 which should
be released today - so no need to roll your own.
Jim
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On 9 Jun 2011, at 22:12, Michael Hunger wrote:
Please keep in mind that the HashMap of 10M strings - longs will take a
substantial amount of heap memory.
That's not the fault of Neo4j :) On my system it alone takes 1.8 G of memory
(distributed across the strings, the hashmap-entries and
Yeah,
I think you should try maven 2, mine is
Apache Maven 2.2.1 (r801777; 2009-08-06 21:16:01+0200)
Cheers,
/peter neubauer
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Not to be difficult, but its not hard to make it both Maven2 and Maven3
compliant.
Basically, Maven3 provides nice information on what to do with the pom.xml.
Given your info, remove the legacy tag.
See ya,
Marko.
http://markorodriguez.com
On Jun 10, 2011, at 1:11 AM, Peter Neubauer wrote:
You're right the lucene based import shouldn't fail for memory problems, I will
look into that.
My suggestion is valid if you want to use an in memory map to speed up the
import. And if you're able to perhaps analyze / partition your data that might
be a viable solution.
Will get back to you
Hi,
I'll try this during the weekend if you agree and I'll let you know.
2011/6/9 Peter Neubauer peter.neuba...@neotechnology.com
Nicolas,
I have now a failing testcase (albeit using snapshot versions of PAX
stuff, trying to relax that ASAP) at
https://github.com/neo4j/neo4j-osgi-examples
Yeah,
that would be great Nicolas! The only thing is that you will need to
build Pax Tinybundles,
g...@github.com:ops4j/org.ops4j.pax.tinybundles.git since I am using
SNAPSHOT dep there.
Lemme know if you need help!
Cheers,
/peter neubauer
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Matt,
what do you mean by unique indexes?
Cheers,
/peter neubauer
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http://www.neo4j.org - Your high
Cool,
let us know what you come up with - there were a lot good ideas coming
up yesterday in Tallinn at http://geekout.ee/programme/ too!
Cheers,
/peter neubauer
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Please let me know..
I want to use the latest version of neo4j say Neo4j 1.4 M03 “Kiruna
with spring data graph. WHat do I do ?
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Wait for our spring data graph 1.1.0.M1 release on Monday :)
it will be updated to Neo4j 1.4.M04
Cheers
Michael
Am 10.06.2011 um 11:55 schrieb Vipul Gupta:
Please let me know..
I want to use the latest version of neo4j say Neo4j 1.4 M03 “Kiruna
with spring data graph. WHat do I do ?
Cool. thanks Michael.
On Fri, Jun 10, 2011 at 3:40 PM, Michael Hunger
michael.hun...@neotechnology.com wrote:
Wait for our spring data graph 1.1.0.M1 release on Monday :)
it will be updated to Neo4j 1.4.M04
Cheers
Michael
Am 10.06.2011 um 11:55 schrieb Vipul Gupta:
Please let me
+1 against over engineering and for fulfilling concrete scenarios
One can definitely implement cool and 'function-rich' tagging systems
satisfying 99% of the usual use cases by using pretty much any db - RDBMS,
GraphDBs or even KV store. I have just learned from others in the past, that
GWT 2.3 and Eclipse Helios.
I can't share too much information from the project itself, I suppose
I could share the config stuff. What config are you referring to?
--
Ian Bussières
Étudiant en Génie des Technologies de l'Information
École de technologie supérieure
[514] 814-0136
On Fri, Jun
Eclipse .project and .classpath files.
In general if you copy the project and remove all *.java files, that would be
sufficient.
Thanks so much
Michael
Am 10.06.2011 um 13:11 schrieb Ian Bussières:
GWT 2.3 and Eclipse Helios.
I can't share too much information from the project itself, I
Here you go, took out src, war, lib, test, test-classes and also
cleaned some of the stuff in the war folder. Oh and took out all the
.jar files there too, otherwise this was just way to huge to share.
Hope this will shine some light on the problem :S
On Fri, Jun 10, 2011 at 07:18, Michael
Yeah,
probably a task for the next milestone. Will see :)
Cheers,
/peter neubauer
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http://www.neo4j.org -
Boris,
as for the common nodes in between, you could take a look at the graph
algos in http://components.neo4j.org/neo4j/1.4.M03/apidocs/ . In
short, i think a AllPaths would be good for finding this out.
Alternatively, you could use Cypher to do this, see
An index that would enforce every value added to it be unique. I don't even
see support for that in Lucene, so, nevermind. Just something I'm used to
SQL handling for me.
On Fri, Jun 10, 2011 at 1:05 AM, Peter Neubauer
peter.neuba...@neotechnology.com wrote:
Matt,
what do you mean by unique
Hello graphistas,
today brings us the (hopefully) latest milestone towards the “Kiruna
Stol” 1.4 release of Neo4j. You will find it contains two new major
features that are meant to make your interaction with the database
easier and more efficient as well as the usual range of minor bug
fixes.
If you need to, you could check the existence of a match prior to every
attempted add/insert/update.
-Original Message-
From: user-boun...@lists.neo4j.org [mailto:user-boun...@lists.neo4j.org] On
Behalf Of Matt C
Sent: Friday, June 10, 2011 10:25 AM
To: Neo4j user discussions
Subject:
And here is the announcement that you are looking for:
http://feedproxy.google.com/~r/Neo4jBlog/~3/Q80BYTE2rnw/kiruna-stol-14-milestone-4.html
Jim
On 10 Jun 2011, at 07:58, Kiss, Miklós wrote:
Great!
I'm looking forward to test the new version.
Hi Miklós,
Batch updates through the REST
I have a running server v1.3, I would like to add the community examples as
plugins:
*$/neo4j-community-1.3/examples/java/server/examples/org/neo4j/examples/server/plugins$
ls
DepthTwo.java GetAll.java ShortestPath.java*
How do I do it?
Many thanks!
Check befor update could not help there, because Neo4j does not show
uncommited changes to other transactions, so it's possible to store
the same value in concurrent transactions.
I also tried to figure out how to avoid duplicated values in database.
Seems that it needed some locks on database
Is it possible to use the luncene indexing with neo4j sharding or can it be
only used with neo4j embedded?
Thanks in advance!
Cheers,
MyD
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Good point. Same would apply to relationship-based indexing, I suppose. In our
use case, all of the entities that must be unique are maintained in a domain
model that is managed by an in-memory hash, so we can enforce it prior to
persistence.
I suppose that one brute force way would be to
If you mean Neo4j-Server (and High Availability), yes, the indexing is
available regardless it is part of the graph database infrastructure.
Cheers
Michael
Am 10.06.2011 um 18:51 schrieb MyD:
Is it possible to use the luncene indexing with neo4j sharding or can it be
only used with neo4j
Another idea is a merge after the fact, so either in a nightly batch or during
a get operation duplicates are discovered they are merged.
Cheers
Michael
Am 10.06.2011 um 18:55 schrieb Rick Bullotta:
Good point. Same would apply to relationship-based indexing, I suppose. In
our use case,
If I have a relationship from node A to node B, does the direction I make
the relationship matter?
It doesn't seem to affect *what* I can do (e.g. regardless of the direction,
I can retrieve that relationship from both A and B in queries, and I can
retrieve both A and B from each other in a
Aseem,
Even though all relationships have a direction they are equally well
traversed in both directions so there's no need to create duplicate
relationships in the opposite direction (with regard to traversal or
performance).
http://api.neo4j.org/current/org/neo4j/graphdb/Relationship.html
Use
Thanks McKinley!
For what it's worth, we use Neo4j only via the REST API, so I tend not to
look at the Javadocs. It would be great to move some of this sort of
documentation into a general Neo4j documentation area, since one would think
to go to the Javadocs mainly only if they were using the
Has anyone been successful in installing the python bindings for JCC in
windows? All the instructions indicate that it has been tested for Mac OS. I
would use OS, however, the project that I am working on forces me to work in
a windows machine.
I would really appreciate your help because I am
The only way I know of is to synchronize writes to the DB. This shouldn't
be a problem for me actually, even with a cluster, since what I really need
is for each node with a particular relationship to have a unique name
property, like how good parents would ensure their children all have
Not sure it applies, but also remember that the node id itself is essentially a
unique key across the entire set of nodes.
-Original Message-
From: user-boun...@lists.neo4j.org [mailto:user-boun...@lists.neo4j.org] On
Behalf Of yougotroo...@gmail.com
Sent: Friday, June 10, 2011 3:10 PM
Right, I can leverage that. I could have a ConncurrentSkipListSetLong or
something with the nodes unique Id in it. If I add() the nodes unique Id to
the Set and it returns true, I know I can safely add children. If it
returns false then I know another thread beat me to it, and I can requeue
Mattias,
Is this now possible as of today's milestone release? Thanks to you and the
rest of the team for adding this!
http://docs.neo4j.org/chunked/snapshot/query-start.html
Every query describes a pattern, and in that pattern one can have *multiple
bound points*. A bound point is a
Hi,
This week I did some documentation and add capability for spatial type
queries with restriction and nested queries (still in the process).
Best Regards
Andreas
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Marcelo,
On Fri, Jun 10, 2011 at 9:39 PM, Marcelo Barbudas nos...@gmail.com wrote:
No,
It's not based on Gremlin a first experiment on lowering the learning
curve to pattern searching for graphs. Feel free to give it a swing and
report back!
A couple more questions about cypher:
* Is it
Boris,
they are included and prepackaged in
examples/java/server/lib/neo4j-server-examples-1.4.M04.jar
so if you copy this file (source code packaged and at
https://github.com/neo4j/community/tree/master/server-examples) into
plugins/ and restart, you should see the plugins.
Cheers,
/peter
Hey Michael,
Very interesting stuff. I would certainly be interested in having you present
at a Neo4j meetup in the bay area[1]. We're having our kick-offs later this
month, one in San Francisco and another in the South Bay. What does the end of
July look like for you? It'd be great to hear
Hi Michael,
Thanks for your reply. If I understand you correctly that means with the
neo4j-server (enterprise license) it is possible
to use shards and build a distributed graph + use the lucene indexing for a
node - am I right?
I am wondering how the final scoring / ranking will be done for the
No, sorry. As of now Neo4j doesn't support sharding the graph.
I just wanted to clarify what you were referring to. You might refer to this
blog
post with regard to cache sharding:
http://jim.webber.name/2011/02/23/abe72f61-27fb-4c1b-8ce1-d0db7583497b.aspx
Cheers
Michael
Am 11.06.2011 um
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