oat-users — Discussion of OAT usage topics

Re: [Oat-users] Using OAT to communicate with Sesame2 using SPARQL

[Hugh W. <hwi...@op...>]

Hi Peter,

There are no specific code examples for Sesame2 that  am aware of.

What is the problem you are having, are any errors being reported ?

What is the URL for the SPARQL endpoint for access the Sesame data  
store ?

Can you provide the OAT code for connecting for review ?

Best Regards
Hugh Williams
Professional Services
OpenLink Software
Web: http://www.openlinksw.com
Support: http://support.openlinksw.com
Forums: http://boards.openlinksw.com/support



On 23 Apr 2009, at 15:10, <Pet...@sc...>  
<Pet...@sc...> wrote:

> Hello OAT list members:
>
> I am trying to get OAT to connect to a Sesame2 repository (OAT is  
> on  localhost:80 and Sesame on localhost:8080 - I've included a PHP  
> proxy,  but I don't know if that's necessary) and my OAT code is  
> based on the  SPARQL example [  http://oat.openlinksw.com/DAV/JS/ 
> oat/docs/OATDOCdatasource.html ]. However, I'm having problems, and  
> I was just wondering if you happened to have some example code for  
> this situation (i.e. OAT 2.8 and Sesame2) that could show me how it  
> is done?
>
> Many thanks
>
> Peter
>
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[Oat-users] OAT Pivot Table + Tree

[rafael r. <j.r...@gm...>]

Hi,

I am new to oat..I am trying to make a pivot table with a tree beside it,
basically like an excel. thus i can drag & drop the nodes from the tree to
the table & vice versa.

Do you know where can I can a sample of the code ? Or is it possible to
guide me on the code.

Thank You.

[Oat-users] preserving expand/collapse status of tree

[Joe G. <jgr...@gm...>]

Hello -
If this is part of normal operation or has been covered already, I apologize
for the repetition.  I don't see anything in the OAT Tree component
description that shows how to do this.

Has anyone found a good way to preserve expand/collapse status of OAT Tree
on the server so that when the tree is reloaded into a content div (like I
do via ajax), I can load it in the state it was in previously instead of
simply reinitializing it?  Thank you for any help.

- Joe

Re: [Oat-users] expand events for tree.js

[<on...@za...>]

Hi David,

> 
> Is there a way to either get a message or an event when a node on the
> tree is expanded?  I tried attaching a click event to the li of the node
> but it doesn't work as desired.
> 

I believe that it should be sufficient to listen to OAT.MSG.TREE_EXPAND
message.

Sincerely,
Ondrej Zara

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[Oat-users] expand events for tree.js

[David H. <al...@sp...>]

Hi,

Is there a way to either get a message or an event when a node on the
tree is expanded?  I tried attaching a click event to the li of the node
but it doesn't work as desired. 

Re: [Oat-users] OAT drag and drop problem

[Johan H. <jh...@op...>]

Hi Joe,
sorry for late reply because of vacations of a few people here. could I 
see somewhere the page with drag&drop problem you described? Maybe I can 
give you some hints when I will be able to debug it myself.

Regards,

Johan Hornof

------------------------------------
Developer, OAT Team    | www.openlinksw.com
OpenLink Software      | www.openlinksw.co.uk
Making Technology Work For You
Please think of the environmental effects before printing out this page!



Joe Greene wrote:
> Hello -
> I'm using some OAT javascript to drag leaf nodes from an OAT, 
> ghostdrag-enabled tree structure to a div that contains a fairly 
> standard html table.  An ajax call (also OAT) on the node drop into 
> the table causes a row to be added to the object list on the server, 
> and the table to be rerendered - pretty simple, but slick.  The div 
> element that wraps the table is set for "overflow:auto" since several 
> of the tables we intend to display are too large for the area on the 
> page we've allotted.  The overflow works fine, and so does the drag 
> and drop and ajax callback to rerender the table, until you slide the 
> div's vertical scrollbar down far enough to hide all the rows at the 
> top of the table that were initially visible when the table loaded the 
> first time.  Then, with the bottom rows of the table exposed, I can't 
> drop anything on the table.  Its as if the drop target div has 
> scrolled up and away and is no longer available to drop onto.  I've 
> played with this enough to see that this is exactly what appears to be 
> happening.  I'm using Firefox 2.  I can't try this on IE yet because I 
> have another issue there - I'll have to solve that later.  For now, 
> I'd like to know if anyone has seen this before and if there's a 
> recommended solution.  I believe the last version of OAT I downloaded 
> is version 2.8. Thank you all for any help.
>
> - Joe
> ------------------------------------------------------------------------
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Re: [Oat-users] OAT demo customization

[Kingsley I. <ki...@op...>]

Erick Antezana wrote:
> Hi Kingsley,
>
>  finally,  I managed to have it working with some simple queries, I 
> was missing the Data Source URL setting. However, sometimes I get some 
> errors like:
>
> SPARQL Processor error 08006. Check your query and try again.
> SPARQL Processor error 22023. Check your query and try again.
>
> 1. Is there a place where I can find more info about those error codes 
> (such as 08006)?
They are missing (it appears) from:
http://docs.openlinksw.com:80/virtuoso/errors.html#errorcodes
>
> 2. Is the FILTER construct implemented? I tested with a expression 
> like from the advanced editor, but it seems to be ignored:
>
>        FILTER regex(str(?label), "cell cycle") .
Try:
  FILTER regex(str(?label), "'cell cycle'")
>
> 3. Is there a clean way to stop a running query? I launched a query 
> that frozen the browser and I could only see the small window saying 
> "Please wait"  AJAX call in progress. but the OK and Cancel buttons do 
> not respond.
This shouldn't happen on the Ajax Side, you should be able to cancel, 
otherwise you can kill on the server side with: txn_killall() ;
>
> 4. It seems that isparql also need to have access to the URL Data 
> sources (I mean direct access to the RDF files) to work, and not only 
> access to the virtuoso repository. Is that right? When I try to access 
> to some graphs only residing within my virtuoso instance  (those files 
> are not available from the web via an URL), I get messages saying that 
> the RDF file was not found...
No you need to use Sponger Modes to control what it does with 
information resource URIs. The same applies to URIs in the graph patterns.

See:
http://docs.openlinksw.com/virtuoso/rdfiridereferencing.html

Kingsley
>
> thanks,
> Erick
>
> Kingsley Idehen wrote:
>> Erick Antezana wrote:
>>> Kingsley,
>>>
>>>  I have set the endpoint in 
>>> http://crunch.fvms.ugent.be:8891/isparql/ to be the following:
>>>
>>> http://crunch.fvms.ugent.be:8891/sparql
>>>
>>> and launched the following query:
>>>
>>> BASE   <http://www.cellcycleontology.org/ontology/rdf/>
>>> PREFIX rdfs:<http://www.w3.org/2000/01/rdf-schema#>
>>> SELECT ?name ?CCO_id
>>> WHERE {
>>> GRAPH <CCO> {
>>>  ?CCO_id   rdfs:label   ?name.
>>> }
>>> }
>>>
>>> but no results...
>>>
>>> I even tried this one:
>>>
>>> SELECT ?a
>>> WHERE {
>>> ?a ?b ?c.
>>> }
>>>
>>> or: 
>>> http://crunch.fvms.ugent.be:8891/sparql?format=application%2Frdf%2Bxml&default-graph-uri=http%3A%2F%2Fwww.cellcycleontology.org%2Fontology%2Frdf%2FCCO&query=%0ASELECT%20%3Fa%0AWHERE%20%7B%0A%20%3Fa%20%3Fb%20%3Fc.%0A%7D%0A 
>>>
>>>
>>> but again no results. The response is:
>>>
>>> <rdf:RDF xmlns:res="http://www.w3.org/2005/sparql-results#" 
>>> xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#">
>>> <rdf:Description rdf:nodeID="rset">
>>> <rdf:type 
>>> rdf:resource="http://www.w3.org/2005/sparql-results#ResultSet"/>
>>>    <res:resultVariable>a</res:resultVariable>
>>>  </rdf:Description>
>>> </rdf:RDF>
>>>
>>>
>>> thanks in advance for any hints,
>>> Erick
>>>> Eric,
>>>>
>>>> You should set the SPARQL endpoint to yours not the default data 
>>>> source URL (which is for Graph URIs).
>>>>
>>>> Kingsley
>>>>>
>>>
>>>
>> Eric,
>>
>> On your server I executed:
>> http://tinyurl.com/64jygx
>>
>> Remember, you need the drop down options which control the Sponger 
>> Component (i.e. information resource crawl behavior).
>>
>>
>>
>


-- 


Regards,

Kingsley Idehen	      Weblog: http://www.openlinksw.com/blog/~kidehen
President & CEO 
OpenLink Software     Web: http://www.openlinksw.com

Re: [Oat-users] OAT demo customization

[Erick A. <er...@ps...>]

Hi Kingsley,

  finally,  I managed to have it working with some simple queries, I was 
missing the Data Source URL setting. However, sometimes I get some 
errors like:

SPARQL Processor error 08006. Check your query and try again.
SPARQL Processor error 22023. Check your query and try again.

1. Is there a place where I can find more info about those error codes 
(such as 08006)?

2. Is the FILTER construct implemented? I tested with a expression like 
from the advanced editor, but it seems to be ignored:

        FILTER regex(str(?label), "cell cycle") .

3. Is there a clean way to stop a running query? I launched a query that 
frozen the browser and I could only see the small window saying "Please 
wait"  AJAX call in progress. but the OK and Cancel buttons do not respond.

4. It seems that isparql also need to have access to the URL Data 
sources (I mean direct access to the RDF files) to work, and not only 
access to the virtuoso repository. Is that right? When I try to access 
to some graphs only residing within my virtuoso instance  (those files 
are not available from the web via an URL), I get messages saying that 
the RDF file was not found...

thanks,
Erick

Kingsley Idehen wrote:
> Erick Antezana wrote:
>> Kingsley,
>>
>>  I have set the endpoint in http://crunch.fvms.ugent.be:8891/isparql/ 
>> to be the following:
>>
>> http://crunch.fvms.ugent.be:8891/sparql
>>
>> and launched the following query:
>>
>> BASE   <http://www.cellcycleontology.org/ontology/rdf/>
>> PREFIX rdfs:<http://www.w3.org/2000/01/rdf-schema#>
>> SELECT ?name ?CCO_id
>> WHERE {
>> GRAPH <CCO> {
>>  ?CCO_id   rdfs:label   ?name.
>> }
>> }
>>
>> but no results...
>>
>> I even tried this one:
>>
>> SELECT ?a
>> WHERE {
>> ?a ?b ?c.
>> }
>>
>> or: 
>> http://crunch.fvms.ugent.be:8891/sparql?format=application%2Frdf%2Bxml&default-graph-uri=http%3A%2F%2Fwww.cellcycleontology.org%2Fontology%2Frdf%2FCCO&query=%0ASELECT%20%3Fa%0AWHERE%20%7B%0A%20%3Fa%20%3Fb%20%3Fc.%0A%7D%0A 
>>
>>
>> but again no results. The response is:
>>
>> <rdf:RDF xmlns:res="http://www.w3.org/2005/sparql-results#" 
>> xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#">
>> <rdf:Description rdf:nodeID="rset">
>> <rdf:type 
>> rdf:resource="http://www.w3.org/2005/sparql-results#ResultSet"/>
>>    <res:resultVariable>a</res:resultVariable>
>>  </rdf:Description>
>> </rdf:RDF>
>>
>>
>> thanks in advance for any hints,
>> Erick
>>> Eric,
>>>
>>> You should set the SPARQL endpoint to yours not the default data 
>>> source URL (which is for Graph URIs).
>>>
>>> Kingsley
>>>>
>>
>>
> Eric,
>
> On your server I executed:
> http://tinyurl.com/64jygx
>
> Remember, you need the drop down options which control the Sponger 
> Component (i.e. information resource crawl behavior).
>
>
>

-- 
==================================================================
Erick Antezana                    http://www.cellcycleontology.org
PhD student
Tel:+32 (0)9 331 38 24                        fax:+32 (0)9 3313809
VIB Department of Plant Systems Biology, Ghent University
Technologiepark 927, 9052 Gent, BELGIUM
er...@ps...                  http://www.psb.ugent.be/~erant
==================================================================

Re: [Oat-users] OAT demo customization

[Kingsley I. <ki...@op...>]

Erick Antezana wrote:
> Kingsley,
>
>  I have set the endpoint in http://crunch.fvms.ugent.be:8891/isparql/ 
> to be the following:
>
> http://crunch.fvms.ugent.be:8891/sparql
>
> and launched the following query:
>
> BASE   <http://www.cellcycleontology.org/ontology/rdf/>
> PREFIX rdfs:<http://www.w3.org/2000/01/rdf-schema#>
> SELECT ?name ?CCO_id
> WHERE {
> GRAPH <CCO> {
>  ?CCO_id   rdfs:label   ?name.
> }
> }
>
> but no results...
>
> I even tried this one:
>
> SELECT ?a
> WHERE {
> ?a ?b ?c.
> }
>
> or: 
> http://crunch.fvms.ugent.be:8891/sparql?format=application%2Frdf%2Bxml&default-graph-uri=http%3A%2F%2Fwww.cellcycleontology.org%2Fontology%2Frdf%2FCCO&query=%0ASELECT%20%3Fa%0AWHERE%20%7B%0A%20%3Fa%20%3Fb%20%3Fc.%0A%7D%0A 
>
>
> but again no results. The response is:
>
> <rdf:RDF xmlns:res="http://www.w3.org/2005/sparql-results#" 
> xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#">
> <rdf:Description rdf:nodeID="rset">
> <rdf:type 
> rdf:resource="http://www.w3.org/2005/sparql-results#ResultSet"/>
>    <res:resultVariable>a</res:resultVariable>
>  </rdf:Description>
> </rdf:RDF>
>
>
> thanks in advance for any hints,
> Erick
>> Eric,
>>
>> You should set the SPARQL endpoint to yours not the default data 
>> source URL (which is for Graph URIs).
>>
>> Kingsley
>>>
>
>
Eric,

On your server I executed:
http://tinyurl.com/64jygx

Remember, you need the drop down options which control the Sponger 
Component (i.e. information resource crawl behavior).



-- 


Regards,

Kingsley Idehen	      Weblog: http://www.openlinksw.com/blog/~kidehen
President & CEO 
OpenLink Software     Web: http://www.openlinksw.com

Re: [Oat-users] OAT demo customization

[Erick A. <er...@ps...>]

Kingsley,

  I have set the endpoint in http://crunch.fvms.ugent.be:8891/isparql/ 
to be the following:

http://crunch.fvms.ugent.be:8891/sparql

and launched the following query:

BASE   <http://www.cellcycleontology.org/ontology/rdf/>
PREFIX rdfs:<http://www.w3.org/2000/01/rdf-schema#>
SELECT ?name ?CCO_id
WHERE {
 GRAPH <CCO> {
  ?CCO_id   rdfs:label   ?name.
 }
}

but no results...

I even tried this one:

SELECT ?a
WHERE {
 ?a ?b ?c.
}

or: 
http://crunch.fvms.ugent.be:8891/sparql?format=application%2Frdf%2Bxml&default-graph-uri=http%3A%2F%2Fwww.cellcycleontology.org%2Fontology%2Frdf%2FCCO&query=%0ASELECT%20%3Fa%0AWHERE%20%7B%0A%20%3Fa%20%3Fb%20%3Fc.%0A%7D%0A

but again no results. The response is:

<rdf:RDF xmlns:res="http://www.w3.org/2005/sparql-results#" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#">
<rdf:Description rdf:nodeID="rset">
<rdf:type rdf:resource="http://www.w3.org/2005/sparql-results#ResultSet"/>
    <res:resultVariable>a</res:resultVariable>
  </rdf:Description>
</rdf:RDF>


thanks in advance for any hints,
Erick
> Eric,
>
> You should set the SPARQL endpoint to yours not the default data 
> source URL (which is for Graph URIs).
>
> Kingsley
>>

Re: [Oat-users] OAT demo customization

[Kingsley I. <ki...@op...>]

Erick Antezana wrote:
> Hi,
>
> Kingsley Idehen wrote:
>> Erick Antezana wrote:
>>> Hi,
>>>
>>>  I have tested the OAT demo
>>>
>>>  I have just downloaded and installed the OAT VAD 
>>> (http://vads.s3.amazonaws.com/oat_dav.vad) so that our virtuoso 
>>> instances (http://crunch.fvms.ugent.be:8891/isparql/) could be 
>>> queried using the visual query builder. I was wondering where could 
>>> I make some changes so that I could begin some interface 
>>> customization (e.g. Data source (URL), default query, )
>> Changes would go into the OAT project since iSPARQL is one of a 
>> collection of OAT based applications.
>>>
>>>  Can I avoid the login window (Username:demo, etc, etc)? I guess 
>>> that window is for the users having some more privileges to 
>>> change/update the data right?
>> If you set your Server to be basic HTTP as opposed to WebDAV 
>> compliant then this will go away. This is feature is for saved 
>> queries functionality.
>>>
>>> When I try to import a new schema 
>>> (http://www.semantic-systems-biology.org/SSB#) I got the following 
>>> message:
>>>
>>> HT404 Error Resource "http://www.semantic-systems-biology.org/SSB#" 
>>> not found
>>
>> I suspect that Sponging isn't enabled. 
> it was enabled (granted to user SPARQL, 
> http://crunch.fvms.ugent.be:8891/isparql/)
>> You can confirm this by repeating your steps on our public demo 
>> instance at: http://demo.openlinksw.com/isparql .
> yes, I also tested the demo and I really liked the way of getting an 
> SPARQL query itself from a graphical representation and viceversa.
>>
>> You enable Sponging (crawling & rdfization) by granting SPARQL_SPONGE 
>> and SPARQL_SELECT roles to user 'SPARQL'. Of course this is for very 
>> basic operations, you can be a little more sophisticated with the 
>> security etc.. But get it running first.
> I tried to set the Default Source (URL) pointing out to our SPARQL 
> endpoint but no results :-(  Should I have a default graph defined in 
> my INI file?
Eric,

You should set the SPARQL endpoint to yours not the default data source 
URL (which is for Graph URIs).

Kingsley
>
> thanks,
> Erick
>>
>> Kingsley
>>>
>>> any hints?
>>>
>>> On the other hand, when I try to browse some RDF files from:
>>>
>>> http://crunch.fvms.ugent.be:8891/DAV/JS/rdfbrowser/index.html
>>>
>>> like for instance:
>>>
>>> ftp://ftp.psb.ugent.be/pub/ssb/cco_A_thaliana.rdf
>>> or
>>> http://www.cellcycleontology.org/ontology/rdf/cco_H_sapiens.rdf
>>>
>>> I get:
>>>
>>> TOTAL: 0 triples
>>>
>>> Am I missing something?
>>>
>>> thanks,
>>> Erick
>>>
>>
>>
>


-- 


Regards,

Kingsley Idehen	      Weblog: http://www.openlinksw.com/blog/~kidehen
President & CEO 
OpenLink Software     Web: http://www.openlinksw.com

Re: [Oat-users] OAT demo customization

[Erick A. <er...@ps...>]

Hi,

Kingsley Idehen wrote:
> Erick Antezana wrote:
>> Hi,
>>
>>  I have tested the OAT demo
>>
>>  I have just downloaded and installed the OAT VAD 
>> (http://vads.s3.amazonaws.com/oat_dav.vad) so that our virtuoso 
>> instances (http://crunch.fvms.ugent.be:8891/isparql/) could be 
>> queried using the visual query builder. I was wondering where could I 
>> make some changes so that I could begin some interface customization 
>> (e.g. Data source (URL), default query, )
> Changes would go into the OAT project since iSPARQL is one of a 
> collection of OAT based applications.
>>
>>  Can I avoid the login window (Username:demo, etc, etc)? I guess that 
>> window is for the users having some more privileges to change/update 
>> the data right?
> If you set your Server to be basic HTTP as opposed to WebDAV compliant 
> then this will go away. This is feature is for saved queries 
> functionality.
>>
>> When I try to import a new schema 
>> (http://www.semantic-systems-biology.org/SSB#) I got the following 
>> message:
>>
>> HT404 Error Resource "http://www.semantic-systems-biology.org/SSB#" 
>> not found
>
> I suspect that Sponging isn't enabled. 
it was enabled (granted to user SPARQL, 
http://crunch.fvms.ugent.be:8891/isparql/)
> You can confirm this by repeating your steps on our public demo 
> instance at: http://demo.openlinksw.com/isparql .
yes, I also tested the demo and I really liked the way of getting an 
SPARQL query itself from a graphical representation and viceversa.
>
> You enable Sponging (crawling & rdfization) by granting SPARQL_SPONGE 
> and SPARQL_SELECT roles to user 'SPARQL'. Of course this is for very 
> basic operations, you can be a little more sophisticated with the 
> security etc.. But get it running first.
I tried to set the Default Source (URL) pointing out to our SPARQL 
endpoint but no results :-(  Should I have a default graph defined in my 
INI file?

thanks,
Erick
>
> Kingsley
>>
>> any hints?
>>
>> On the other hand, when I try to browse some RDF files from:
>>
>> http://crunch.fvms.ugent.be:8891/DAV/JS/rdfbrowser/index.html
>>
>> like for instance:
>>
>> ftp://ftp.psb.ugent.be/pub/ssb/cco_A_thaliana.rdf
>> or
>> http://www.cellcycleontology.org/ontology/rdf/cco_H_sapiens.rdf
>>
>> I get:
>>
>> TOTAL: 0 triples
>>
>> Am I missing something?
>>
>> thanks,
>> Erick
>>
>
>

-- 
==================================================================
Erick Antezana                    http://www.cellcycleontology.org
PhD student
Tel:+32 (0)9 331 38 24                        fax:+32 (0)9 3313809
VIB Department of Plant Systems Biology, Ghent University
Technologiepark 927, 9052 Gent, BELGIUM
er...@ps...                  http://www.psb.ugent.be/~erant
==================================================================

Re: [Oat-users] OAT demo customization

[Balazs K. <bk...@op...>]

Hi Eric,

> using the visual query builder. I was wondering where could I make some 
> changes so that I could begin some interface customization (e.g. Data 
> source (URL), default query, )

the isparql sources are located in the
$oatdir/isparql/

files that are relevant for your customizations are

qbe.js (contains code of the visual query builder, svg-sparql 
visualisation settings and the imported schemas tree)

main.js (contains code for the 'advanced' querying text interface, menu 
callbacks and management of query graphs)

io.js (contains input output routines for various file formats)

execute.js (contains code for isparql query execution and results handling)

Don't hesitate and drop me a mail in case you need more specific help 
with some parts of the code. I'm currently in process of 
rewriting/refactoring the isparql app, so I'm quite familiar with it.

>   Can I avoid the login window (Username:demo, etc, etc)? I guess that 
> window is for the users having some more privileges to change/update the 
> data right?

This windows prompts for WebDav access credentials. Unfortunately, there 
is no option for disabling it at the moment, it can be currently 
disabled only by modifying the sources.

>  When I try to import a new schema 
> (http://www.semantic-systems-biology.org/SSB#) I got the following message:
> HT404 Error Resource "http://www.semantic-systems-biology.org/SSB#" not 
> found 
> any hints?

When I try to open this URL directly in the browser, I also get a 404, 
so the sparql endpoint just echoes this.

> On the other hand, when I try to browse some RDF files from:
> http://crunch.fvms.ugent.be:8891/DAV/JS/rdfbrowser/index.html
> ftp://ftp.psb.ugent.be/pub/ssb/cco_A_thaliana.rdf
> http://www.cellcycleontology.org/ontology/rdf/cco_H_sapiens.rdf

In the first case, the sponger really returns a RDF containing no 
triples, so this is a question for Virtuoso people.
In the latter case, sponger is (IIRC) not capable of querying ftp 
resources, so rdfbrowser doesn't even perform any action. In this case, 
it should emit at least some notice about this fact to warn the user.

Hope this answers your questions. Have a nice day.

Balazs

Re: [Oat-users] OAT demo customization

[Kingsley I. <ki...@op...>]

Erick Antezana wrote:
> Hi,
>
>  I have tested the OAT demo
>
>  I have just downloaded and installed the OAT VAD 
> (http://vads.s3.amazonaws.com/oat_dav.vad) so that our virtuoso 
> instances (http://crunch.fvms.ugent.be:8891/isparql/) could be queried 
> using the visual query builder. I was wondering where could I make 
> some changes so that I could begin some interface customization (e.g. 
> Data source (URL), default query, )
Changes would go into the OAT project since iSPARQL is one of a 
collection of OAT based applications.
>
>  Can I avoid the login window (Username:demo, etc, etc)? I guess that 
> window is for the users having some more privileges to change/update 
> the data right?
If you set your Server to be basic HTTP as opposed to WebDAV compliant 
then this will go away. This is feature is for saved queries functionality.
>
> When I try to import a new schema 
> (http://www.semantic-systems-biology.org/SSB#) I got the following 
> message:
>
> HT404 Error Resource "http://www.semantic-systems-biology.org/SSB#" 
> not found

I suspect that Sponging isn't enabled. You can confirm this by repeating 
your steps on our public demo instance at: 
http://demo.openlinksw.com/isparql .

You enable Sponging (crawling & rdfization) by granting SPARQL_SPONGE 
and SPARQL_SELECT roles to user 'SPARQL'. Of course this is for very 
basic operations, you can be a little more sophisticated with the 
security etc.. But get it running first.

Kingsley
>
> any hints?
>
> On the other hand, when I try to browse some RDF files from:
>
> http://crunch.fvms.ugent.be:8891/DAV/JS/rdfbrowser/index.html
>
> like for instance:
>
> ftp://ftp.psb.ugent.be/pub/ssb/cco_A_thaliana.rdf
> or
> http://www.cellcycleontology.org/ontology/rdf/cco_H_sapiens.rdf
>
> I get:
>
> TOTAL: 0 triples
>
> Am I missing something?
>
> thanks,
> Erick
>


-- 


Regards,

Kingsley Idehen	      Weblog: http://www.openlinksw.com/blog/~kidehen
President & CEO 
OpenLink Software     Web: http://www.openlinksw.com

[Oat-users] OAT demo customization

[Erick A. <er...@ps...>]

Hi,

  I have tested the OAT demo

  I have just downloaded and installed the OAT VAD 
(http://vads.s3.amazonaws.com/oat_dav.vad) so that our virtuoso 
instances (http://crunch.fvms.ugent.be:8891/isparql/) could be queried 
using the visual query builder. I was wondering where could I make some 
changes so that I could begin some interface customization (e.g. Data 
source (URL), default query, )

  Can I avoid the login window (Username:demo, etc, etc)? I guess that 
window is for the users having some more privileges to change/update the 
data right?

 When I try to import a new schema 
(http://www.semantic-systems-biology.org/SSB#) I got the following message:

HT404 Error Resource "http://www.semantic-systems-biology.org/SSB#" not 
found

any hints?

On the other hand, when I try to browse some RDF files from:

http://crunch.fvms.ugent.be:8891/DAV/JS/rdfbrowser/index.html

like for instance:

ftp://ftp.psb.ugent.be/pub/ssb/cco_A_thaliana.rdf
or
http://www.cellcycleontology.org/ontology/rdf/cco_H_sapiens.rdf

I get:

TOTAL: 0 triples

Am I missing something?

thanks,
Erick

-- 
==================================================================
Erick Antezana                    http://www.cellcycleontology.org
PhD student
Tel:+32 (0)9 331 38 24                        fax:+32 (0)9 3313809
VIB Department of Plant Systems Biology, Ghent University
Technologiepark 927, 9052 Gent, BELGIUM
er...@ps...                  http://www.psb.ugent.be/~erant
==================================================================

[Oat-users] OAT drag and drop problem

[Joe G. <jgr...@gm...>]

Hello -
I'm using some OAT javascript to drag leaf nodes from an OAT,
ghostdrag-enabled tree structure to a div that contains a fairly standard
html table.  An ajax call (also OAT) on the node drop into the table causes
a row to be added to the object list on the server, and the table to be
rerendered - pretty simple, but slick.  The div element that wraps the table
is set for "overflow:auto" since several of the tables we intend to display
are too large for the area on the page we've allotted.  The overflow works
fine, and so does the drag and drop and ajax callback to rerender the table,
until you slide the div's vertical scrollbar down far enough to hide all the
rows at the top of the table that were initially visible when the table
loaded the first time.  Then, with the bottom rows of the table exposed, I
can't drop anything on the table.  Its as if the drop target div has
scrolled up and away and is no longer available to drop onto.  I've played
with this enough to see that this is exactly what appears to be happening.
I'm using Firefox 2.  I can't try this on IE yet because I have another
issue there - I'll have to solve that later.  For now, I'd like to know if
anyone has seen this before and if there's a recommended solution.  I
believe the last version of OAT I downloaded is version 2.8. Thank you all
for any help.

- Joe

Re: [Oat-users] grid performance in IE

[David H. <al...@sp...>]

I checked and on my system and am able to see the difference in grid 
performance between IE and other browsers using the sample grid in OAT's 
demo.  The most noticeable difference in in the hover of grid rows.  I 
believe the performace gets worse as more records are added and the data is 
more complex.  

In the grid where I noticed the problem there were 150 + rows and 3 of the 5 
columns had two divs to produce a two line entry.

Thanks for taking a look at this.
  

On Friday 01 August 2008 18:12, you wrote:
> Hi David,
>
> I didn't realize you were in contact with Balaz regarding this as he
> would be the best person to look into this issue being part of the
> OAT dev team ...
>
> Regards
> Hugh
>
> On 1 Aug 2008, at 23:07, David Hamm wrote:
> > Hugh,
> >
> > I sent a link to Balazs's email address earlier.  I'll send one to
> > you too.
> >
> > Thanks again for having a look.
> >
> > On Friday 01 August 2008 11:16, you wrote:
> >> Hi David,
> >>
> >> Is this performance issue observed when using the grid sample
> >> provided with the OAT package we provide ?
> >>
> >> If you can provide a link and ideally sample code so we can create
> >> locally, then we can look into this ?
> >>
> >> Best Regards
> >> Hugh Williams
> >> Professional Services
> >> OpenLink Software
> >>
> >> On 31 Jul 2008, at 22:47, David Hamm wrote:
> >>> Hi,
> >>>
> >>> I've found the grid element makes IE perform poorly.  The same grid
> >>> in FireFox
> >>> or Safari works great!  Can you suggest how I might improve grid
> >>> performance
> >>> in IE.  If you want I can provide a link off line for you to see.
> >>>
> >>> Thanks.
> >>>
> >>> --------------------------------------------------------------------
> >>> --
> >>> ---
> >>> This SF.Net email is sponsored by the Moblin Your Move Developer's
> >>> challenge
> >>> Build the coolest Linux based applications with Moblin SDK & win
> >>> great prizes
> >>> Grand prize is a trip for two to an Open Source event anywhere in
> >>> the world
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> >>> _______________________________________________
> >>> Oat-users mailing list
> >>> Oat...@li...
> >>> https://lists.sourceforge.net/lists/listinfo/oat-users

Re: [Oat-users] grid performance in IE

[Hugh W. <hwi...@op...>]

Hi David,

Is this performance issue observed when using the grid sample  
provided with the OAT package we provide ?

If you can provide a link and ideally sample code so we can create  
locally, then we can look into this ?

Best Regards
Hugh Williams
Professional Services
OpenLink Software

On 31 Jul 2008, at 22:47, David Hamm wrote:

> Hi,
>
> I've found the grid element makes IE perform poorly.  The same grid  
> in FireFox
> or Safari works great!  Can you suggest how I might improve grid  
> performance
> in IE.  If you want I can provide a link off line for you to see.
>
> Thanks.
>
> ---------------------------------------------------------------------- 
> ---
> This SF.Net email is sponsored by the Moblin Your Move Developer's  
> challenge
> Build the coolest Linux based applications with Moblin SDK & win  
> great prizes
> Grand prize is a trip for two to an Open Source event anywhere in  
> the world
> http://moblin-contest.org/redirect.php?banner_id=100&url=/
> _______________________________________________
> Oat-users mailing list
> Oat...@li...
> https://lists.sourceforge.net/lists/listinfo/oat-users

Re: [Oat-users] grid performance in IE

[Balazs K. <ku...@se...>]

Hi,

> I've found the grid element makes IE perform poorly.  

What MSIE version you used?

> The same grid in FireFox 
> or Safari works great!  Can you suggest how I might improve grid performance 
> in IE.  

I'll profile the grid and see where it gets slow.

> If you want I can provide a link off line for you to see.

Yes, if you could, it'd be great.

Balazs Kutil

[Oat-users] grid performance in IE

[David H. <al...@sp...>]

Hi,

I've found the grid element makes IE perform poorly.  The same grid in FireFox 
or Safari works great!  Can you suggest how I might improve grid performance 
in IE.  If you want I can provide a link off line for you to see.

Thanks.

Re: [Oat-users] saving Tree with checkboxes state

[Johan H. <jh...@op...>]

Hi David,

There is currently no way how to restore the state of a tree's checked 
nodes for example from saved json object. You have to use 
OAT.TreeNode::expand() and OAT.TreeNode::collapse() for each node you 
want to change state of.

Regards,

Johan Hornof

------------------------------------
Developer, OAT Team    | www.openlinksw.com
OpenLink Software      | www.openlinksw.co.uk
Making Technology Work For You
Please think of the environmental effects before printing out this page!



David Hamm wrote:
> Hi,
>
> Is there an easy way to save and restore the state of a tree's checked nodes?  
>
>
> -------------------------------------------------------------------------
> This SF.Net email is sponsored by the Moblin Your Move Developer's challenge
> Build the coolest Linux based applications with Moblin SDK & win great prizes
> Grand prize is a trip for two to an Open Source event anywhere in the world
> http://moblin-contest.org/redirect.php?banner_id=100&url=/
> _______________________________________________
> Oat-users mailing list
> Oat...@li...
> https://lists.sourceforge.net/lists/listinfo/oat-users
>
>   

[Oat-users] saving Tree with checkboxes state

[David H. <al...@sp...>]

Hi,

Is there an easy way to save and restore the state of a tree's checked nodes?  

[Oat-users] slidebar messenger patch

[David H. <al...@sp...>]

Hi,

The slidebar emits an opened message on open and close.   

slidebar.js line 105
		OAT.MSG.send (self, OAT.MSG.SLB_OPENED, self)

should be
		OAT.MSG.send (self, OAT.MSG.SLB_CLOSED, self)


Thanks,

Re: [Oat-users] slider bug?

[Ondra Z. <o....@se...>]

Hi David,
> 
> While working with the slider I found that calling slideTo() doesn't fire the 
> onchange function.  Should it?
> 

this is intentional (this way you can use bi-directional binding between 
a slider and some secondary interactive element).

If you need the slideTo propagation to onchange, just add a second 
argument "true":

mySlider.slideTo(50, true);


Sincerely,
Ondrej Zara


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> 

[Oat-users] slider bug?

[David H. <al...@sp...>]

Hi,

While working with the slider I found that calling slideTo() doesn't fire the 
onchange function.  Should it?