Is it only me or the artifacts of 1.4 from maven are not alright ... (size
and etc. it does not compile anymore) ?
neo4j-kernel:
Version TypeDownload
1.4http://mvnrepository.com/artifact/org.neo4j/neo4j-kernel/1.4
release
Hi,
I have some problems with the new version of neo4j.
For my application i wrote a few unit test. These worked perfectly in neo4j
1.2 and 1.3 but not in 1.4.
For example:
I wanna have all relationships for a node with a special name. So I post
following message to the url
Please tell me, how can I do that? I couldn´t find anything about it in the
api doc (http://components.neo4j.org/neo4j-server/snapshot/rest.html)
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At least we're two now.
I've got also trouble upgrading some code from 1.4M05 to 1.4. It seems
that neo4j-kernel-1.4.jar does not get downloaded to ~/.ivy2/cache.
Regards,
Stefan
Am Dienstag, den 12.07.2011, 13:27 +0300 schrieb Dima Gutzeit:
Is it only me or the artifacts of 1.4 from maven
I am travelling at the moment, so cannot give a long answer, but can suggest
you look at the wiki page for neo4j in uDig, because there we have made some
updates concerning which jars to use, and that will probably help you get
this working.
On Jul 12, 2011 10:59 AM, Robin Cura
Hi Mike
The problem here is that 1.4 no longer accepts spaces in keys and values
-instead, use underscores. Try:
{ order : depth_first, uniqueness : relationship, return_filter
: { language : javascript, body : position.length() 0
Hi guys,
I have a few questions about getting started with neo4j.
We have a graph with 4 ppl owning 5 phone numbers (some own 1 some own 2 and
others 3).
1. When trying to get a list: friends of friends (that are not my own
friends), I write the following query, however my own friends
Hi,
could you please try:
START id_my=(11) MATCH (id_my)-[:KNOWS]-(f)-[:KNOWS]-(fof) RETURN fof
for distinct results please use distinct
START id_my=(11) MATCH (id_my)-[:KNOWS]-(f)-[:KNOWS]-(fof) RETURN distinct
fof
I don't know what the -[:KNOWS]-(id_o)-[:KNOWS]- stands for?
What is the
Mike,
Try return_filter and max_depth. I believe most of the JSON
property names are underscore separated now. I don't know if depth
first also needs the underscore.
-- Josh Adell
Message: 3
Date: Tue, 12 Jul 2011 03:39:14 -0700 (PDT)
From: mike_t t.pr...@gmx.net
Subject: [Neo4j]
I'm currently getting the following error message in Debian Lenny when
trying to run a class file.
Exception in thread main java.lang.NoClassDefFoundError:
javax/transaction/TransactionManager
As far as I can tell Debian is missing a jta.jar file which is apparently
apart Java EE 6 but this
Hi Eddy,
what you are missing is the JTA specification jar. You can find a copy here:
http://repo1.maven.org/maven2/org/apache/geronimo/specs/geronimo-jta_1.1_spec/1.1/geronimo-jta_1.1_spec-1.1.jar
Neo4j uses maven to manage its dependencies so that such necessary
libraries are located and
I like to filter fulltext search result,but don't kown where to set lucene
search filter.
I notice file LuceneIndex.java ,
line 355,
Hits hits = new Hits( searcher, query, null, sorting, forceScore );
line 370,
Hits hits = new Hits( additionsSearcher, query, null );
all pass null for
Hi Edgard,
sure you can do a FullText Search on your data with Lucene and Neo4j. Did
you take a look here
http://docs.neo4j.org/chunked/1.4/indexing-create-advanced.html
If you need any other help, just let us know.
Regards.
2011/7/12 刘运杰 yunjie@163.com
I like to filter fulltext search
Thanks a lot for your answer. Now it works perfect!
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hi,
when I run the following command:
mvn clean package
I got the following FATAL ERROR, for the neo4j 1.4 I want to have a Gremlin
plug-in. Please help, Thank you!
[INFO] Scanning for projects...
Downloading:
Does anyone know the proper mathematical name for a relationship with the
following properties:
For all x in X and y in Y it holds that if xRy and xR'y then R = R'.
Example:
There can be only one IS_PARENT relation from one person to another. Someone
cannot be twice parent to the same person.
Craig,
Thanks for your answer, I looked at this page and so, I've put those libs
inside the WEB-INF/lib/ directory :
- neo4j-kernel-1.4-SNAPSHOT.jar
- neo4j-lucene-index-1.4-SNAPSHOT.jar
- neo4j-graph-algo-1.4-SNAPSHOT.jar
- geronimo-jta_1.1_spec-1.1.1.jar
- lucene-core-3.1.0.jar
Hi,
That is called a functional relationship.
A functional relationship states that there is only one unique y in (xRy) for
every x.
- e.g. Social Security Number, Father, BornIn
Inverse functional relationships are that there is a unique x in (xRy), for
every y.
See ya,
Marko.
Hi there,
The artifactId should be parent - central and not parent - pom.
/peter
Sent from my phone.
On Jul 12, 2011 5:11 PM, Zhiguo Zhang mikewolfx...@gmail.com wrote:
hi,
when I run the following command:
mvn clean package
I got the following FATAL ERROR, for the neo4j 1.4 I want to have
Adriano,thank you for your response.I do run up FullText Search,and notice the
Configuration for Lucene in Neo4j,that is any other configuration is passed
onto the backend index (e.g. Lucene) to interpret.and then I set my Analyser
for FullText Search, like below :
IndexNode fulltextIndex =
Hi Stefan,
I've only noticed this when I also depend on the server jar.
I think it's an upstream pom thing, Ian R. and I will look into this today - we
need it to be fixed for later this week for a tutorial we're giving, so the
pressure is on...
Jim
On 12 Jul 2011, at 05:55, Stefan
Hi guys,
Yeah, all keys are underscore separated now.
Jim
On 12 Jul 2011, at 06:39, Josh Adell wrote:
Mike,
Try return_filter and max_depth. I believe most of the JSON
property names are underscore separated now. I don't know if depth
first also needs the underscore.
-- Josh Adell
Hi Edgar,
If I correctly understood your question, all you need to do is call the
query() method on the fulltextIndex object you've got.
The second argument you'll need to pass will be what you're looking for, and
there you can use Lucene query syntax to set up your query. You can take a
look at
Hi all,
I know that I could do this using indices, but it's not for me the
most natural way to do it. I'm just wondering if there're another way
to return all the relationships and all the nodes in the database
using the same mechanism for paginating the results that traversals
does.
Best
Thank you! Peter! I will try it again.
MfG
Zhiguo Zhang
On 12.07.2011, at 18:47, Peter Neubauer neubauer.pe...@gmail.com wrote:
Hi there,
The artifactId should be parent - central and not parent - pom.
/peter
Sent from my phone.
On Jul 12, 2011 5:11 PM, Zhiguo Zhang
Thanks Marko,
That's not exactly what I am looking for. I'd like to know what the name is of
a relationship where there is only one unique combination of x and y in xRy for
every relationship type R.
Neo4j allows the creation of 2^64 relationships of the same type between the
same two nodes.
Hi Javier,
I think the simplest thing is to write a traverser that reaches every node on
the graph through every relationship.
Jim
On 12 Jul 2011, at 12:18, Javier de la Rosa wrote:
Hi all,
I know that I could do this using indices, but it's not for me the
most natural way to do it. I'm
On Tue, Jul 12, 2011 at 14:44, Jim Webber j...@neotechnology.com wrote:
I think the simplest thing is to write a traverser that reaches every node on
the graph through every relationship.
And this should work even if my graph has several unconnected componentes?
Thank you.
--
Javier de la
Hi,
I suppose I would say that (xRy) is both functional and inverse functional. :)
Marko.
http://markorodriguez.com
On Jul 12, 2011, at 12:36 PM, Niels Hoogeveen wrote:
Thanks Marko,
That's not exactly what I am looking for. I'd like to know what the name is
of a relationship where
Hi,
Also, R is bijective.
http://en.wikipedia.org/wiki/Bijection,_injection_and_surjection
Marko.
http://markorodriguez.com
On Jul 12, 2011, at 12:36 PM, Niels Hoogeveen wrote:
Thanks Marko,
That's not exactly what I am looking for. I'd like to know what the name is
of a
Hi Marko,
A relationship that is both functional and inverse functional is a one to one
relationship, but that is not what I am looking for.
For example the relationship type FRIEND is neither functional (I can have
more than one friend) nor inverse functional (injective) (my friends can have
Hi,
I'd like to implement a server function that returns for a given node
(id) how many occurrences exist for a relationship. That's easy enough
to implement (I think) using an unmanaged extension, but not something
that can readily be implemented as a server plugin, as it would
require returning
Hey Javier,
And this should work even if my graph has several unconnected componentes?
Oh, no it won't. Then I'd suggest writing a managed/unmanaged plugin that calls
getAllNodes() on the server side.
Jim
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Hi Eelco,
The unmanaged extensions simply give you access to the underlying Graph
Database instance (through the annotations).
The managed plugins do far more than this - they also provide a way of
generating JSON/HTML responses automatically (using HTTP content negotiation).
In either case
Here is an example of how such a plugin would look:
http://components.neo4j.org/neo4j-server-examples/snapshot/xref/org/neo4j/examples/server/plugins/GetAll.html
On Tue, Jul 12, 2011 at 3:01 PM, Jim Webber j...@neotechnology.com wrote:
Hey Javier,
And this should work even if my graph has
Response to Questions:
Hi Michael and thanks for the reply,
I tried your suggestionen but the return is empty.
If I change the direction of the last [:KNOWS] relation to be -- I do get a
result, however that is only the other owners of the numbers I have and not
the friends of the owners of the
+1, we could use configuration through REST as well.
--
Matt Luongo
Co-Founder, Scholr.ly
On Tue, Jul 12, 2011 at 6:45 AM, mike_t t.pr...@gmx.net wrote:
Please tell me, how can I do that? I couldn´t find anything about it in the
api doc
On Tue, Jul 12, 2011 at 16:11, Jacob Hansson ja...@voltvoodoo.com wrote:
http://components.neo4j.org/neo4j-server-examples/snapshot/xref/org/neo4j/examples/server/plugins/GetAll.html
Thank you both.
Does someone knows if this (getAllNodes and getAllRelationships in
REST API) will be in the core
On Tue, Jul 12, 2011 at 16:32, Matt Luongo m...@scholr.ly wrote:
+1, we could use configuration through REST as well.
+1, It would be bery useful.
--
Javier de la Rosa
http://versae.es
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It is currently possible to configure auto indexing for the server using the
neo4j.properties configuration file. Something like this should work:
node_auto_indexing=true
node_keys_indexable=name, age
relationship_auto_indexing=true
relationship_keys_indexable=strength, someotherkey
Hi Javier,
getAllNodes() has been in the API for a long time.
getAllRelationships has been talked about, it's in our development backlog, but
there is no timing associated with it.
You can write getAllRelationships based on getAllNodes.
Jim
On 12 Jul 2011, at 14:47, Javier de la Rosa wrote:
Hi Aseem,
I think Javier was asking about how he'd go about writing getAllNodes and
getAllRelationships as a plugin/unmanaged extension in REST.
Jim
On 12 Jul 2011, at 15:15, Aseem Kishore wrote:
Jim, Javier was referring to the REST API. Correct me if I'm wrong, but
there is no
On Tue, Jul 12, 2011 at 17:27, Jim Webber j...@neotechnology.com wrote:
I think Javier was asking about how he'd go about writing getAllNodes and
getAllRelationships as a plugin/unmanaged extension in REST.
Sorry, I was asking about exactly that Aseem Kishore said. I would
like to see these
From a REST perspective it makes little difference.
From a deployment perspective, it makes some difference since I could write
this up and host it on my github account very quickly, but the Neo4j release
cycle is slower.
And if you wrote this plugin, it'd be ever quicker :-)
Jim
On 12 Jul
Nami,
I think this query should do fine for your case:
• cypher start n=(0) match
(n)-[:KNOWS]-(f)-[:KNOWS]-(o)-[:KNOWS]-(fof) where not (f.name = fof.name)
return fof,count(*) order by count(*) desc
• cypher
• == +---+
• == | fof
Hi,
If I have a Node (A) with over 5 relationships outgoing - RelationshipTypeA
If I have the same Node (A) with 100 relationships outgoing - RelationshipTypeB
Will there be a performance impact for queries travsersing RelationshipTypeB
because there are over 5 relationships
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