dotnetrdf-develop — Developer Discussion and Feature Request

[dotNetRDF-Develop] Issue CORE-63 has been updated by Rob Vesse

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The following issue has been updated by Rob Vesse:

Title: Rewrite the SPARQL Expression evaluation around valued nodes
Project: Core Library (dotNetRDF.dll)

  - Percent complete changed from "15%" to "80%"



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[dotNetRDF-Develop] Issue CORE-156 has been updated by Rob Vesse

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The following issue has been updated by Rob Vesse:

Title: SparqlRemoteUpdateEndpoint fails with Invalid URI: The Uri string is too long.
Project: Core Library (dotNetRDF.dll)

  - Status changed from "Unknown" to "Completed"
  - Milestone changed from "none" to "0.6.0 Beta"
  - Affected Milestone changed from "none" to "0.5.1 Beta"
  - Resolution changed from "none" to "Fixed"
  - Percent complete changed from "0%" to "100%"



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[dotNetRDF-Develop] Issue CORE-156 has a new comment

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A new comment has been added to the following issue.

Title: SparqlRemoteUpdateEndpoint fails with Invalid URI: The Uri string is too long.
Project: Core Library (dotNetRDF.dll)
Created By: Rob Vesse
Date: 2011-12-11 12:58 AM
Comment: 

 Fixed in SVN revision 2021, used Uri.EscapeDataString() which has a length limit where I should have used HttpUtility.UrlEncode() which does not

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[dotNetRDF-Develop] Issue CORE-156 has been added to a project you are monitoring.

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The following issue has been added to a project that you are monitoring.

Title: SparqlRemoteUpdateEndpoint fails with Invalid URI: The Uri string is too long.
Project: Core Library (dotNetRDF.dll)
Created By: http://koos-strydom.myopenid.com/
Milestone: none
Category: Core API
Priority: High
Type: Bug
Description: 

 HI, 

 The error occurs when a sparql update is submitted to any SparqlRemoteUpdateEndpoint when more than 250 triples is in the update query 

 here is a code snippet 

 var endpoints = http://192.168.1.10:8000/; 

 _endpointQuery = new SparqlRemoteEndpoint(new Uri(endpoints + sparql/)); 

 _endpointQuery.Credentials = GetCredentials(); 

 _endpointQuery.Timeout = 90000; 

 var endpointUpdate = new SparqlRemoteUpdateEndpoint(new Uri(endpoints + update/)); 

 endpointUpdate.Credentials = GetCredentials(); 

 ...... 

 ...... 

 StringBuilder sb = new StringBuilder(); 

 foreach (var pre in _workGraph.NamespaceMap.Prefixes) 

 { 

  sb.AppendLine(string.Format(PREFIX {0}: <{1}>, pre, _workGraph.NamespaceMap.GetNamespaceUri(pre))); 

 } 

 sb.AppendLine(string.Format(INSERT DATA {{ GRAPH <{0}>, scope.NamespaceURI)); 

 sb.AppendLine({ 

 foreach (var t in _workGraph.Triples) 

 { 

  sb.AppendLine(t.ToString(true)); 

 } 

 sb.AppendLine(} 

 sb.AppendLine(} 

 SparqlUpdateParser parser = new SparqlUpdateParser(); 

 SparqlUpdateCommandSet cmds = parser.ParseFromString(sb.ToString()); 

 endpoint.Update(cmds[0].ToString()); 

 ........ 

 and the stack trace 

  at System.Uri.EscapeString(String input, Int32 start, Int32 end, Char[] dest, Int32 destPos, Boolean isUriString, Char force1, Char force2, Char rsvd)  at System.Uri.EscapeDataString(String stringToEscape)  at VDS.RDF.Update.SparqlRemoteUpdateEndpoint.Update(String sparqlUpdate)  at ScopeList.Service.DataTransferService.PostSparqlCommands(Scope scope, SparqlRemoteUpdateEndpoint endpoint) in E:\ARD\trunk\iPas.ScopeList\ScopeList.Service\DataTransfers\DataTransferService.cs:line 335  at ScopeList.Service.DataTransferService.StartDataTransfers() in E:\ARD\trunk\iPas.ScopeList\ScopeList.Service\DataTransfers\DataTransferService.cs:line 395

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[dotNetRDF-Develop] Issue CORE-27 has been updated by Rob Vesse

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The following issue has been updated by Rob Vesse:

Title: Deprecate Legacy SQL Support
Project: Core Library (dotNetRDF.dll)

  - Status changed from "In Progress" to "Completed"
  - Resolution changed from "none" to "Completed"
  - Percent complete changed from "80%" to "100%"



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[dotNetRDF-Develop] Issue CORE-27 has a new comment

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A new comment has been added to the following issue.

Title: Deprecate Legacy SQL Support
Project: Core Library (dotNetRDF.dll)
Created By: Rob Vesse
Date: 2011-12-09 11:11 PM
Comment: 

 Completely removed in the 0.6.0 branch which will migrate back to trunk as soon as the heavy lift refactoring of SPARQL expression evaluation is completed

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[dotNetRDF-Develop] Issue CORE-155 has been updated by Rob Vesse

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The following issue has been updated by Rob Vesse:

Title: NTriplesFormatter does not convert BNode IDs to strict NTriples format
Project: Core Library (dotNetRDF.dll)

  - Status changed from "Confirmed" to "Completed"
  - Resolution changed from "none" to "Fixed"
  - Percent complete changed from "0%" to "100%"



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[dotNetRDF-Develop] Issue CORE-155 has a new comment

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A new comment has been added to the following issue.

Title: NTriplesFormatter does not convert BNode IDs to strict NTriples format
Project: Core Library (dotNetRDF.dll)
Created By: Rob Vesse
Date: 2011-12-09 11:09 PM
Comment: 

 Fixed in SVN revision 2014

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[dotNetRDF-Develop] Issue CORE-155 has been added to a project you are monitoring.

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The following issue has been added to a project that you are monitoring.

Title: NTriplesFormatter does not convert BNode IDs to strict NTriples format
Project: Core Library (dotNetRDF.dll)
Created By: Rob Vesse
Milestone: 0.6.0 Beta
Category: Formatting API
Priority: Critical
Type: Bug
Description: 

 It has been noticed that the NTriplesFormatter does not strictly enforce the rules on Blank Node IDs so invalid characters like underscore may be output in NTriples Blank Node IDs.

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[dotNetRDF-Develop] Issue TOOLS-152 has a new comment

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A new comment has been added to the following issue.

Title: Add Timing and Progress information to rdfConvert when -v (verbose mode) is enabled
Project: Toolkit
Created By: Rob Vesse
Date: 2011-12-09 03:56 AM
Comment: 

 Just need to add average conversion speed to the reporting and this issue can be closed

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[dotNetRDF-Develop] Issue TOOLS-154 has been added to a project you are monitoring.

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The following issue has been added to a project that you are monitoring.

Title: Improve proggress monitoring for copy/move/rename in Store Manager
Project: Toolkit
Created By: Rob Vesse
Milestone: 0.5.0 Beta
Category: Store Manager
Priority: Normal
Type: Improvement
Description: 

 The current Copy/Move/Rename support in Store Manager does not provide the user with any progress information for these operations. It should be possible to do this fairly efficiently in the same manner as we do for import/export operations currently.

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[dotNetRDF-Develop] Issue CORE-63 has a new comment

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A new comment has been added to the following issue.

Title: Rewrite the SPARQL Expression evaluation around valued nodes
Project: Core Library (dotNetRDF.dll)
Created By: Rob Vesse
Date: 2011-12-09 01:08 AM
Comment: 

 Did some more work on this, virtual nodes are now IValuedNode enabled as are Variable nodes. There is a helper class that can convert from INode to IValuedNode (null/already IValuedNode remains unchanged) which addresses the wrapping issue 


 As part of this work Im taking the oppurtunity to refactor the code structure in the expressions namespace to make it easier to navigate and maintain. Have started converting existing expressions to use the new interface and have got partway through that.for most of the basic SPARQL functions but still lots of expressions to upgrade

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[dotNetRDF-Develop] Issue CORE-153 has been added to a project you are monitoring.

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The following issue has been added to a project that you are monitoring.

Title: WriteThroughHandler should periodically Flush() the TextWriter
Project: Core Library (dotNetRDF.dll)
Created By: Rob Vesse
Milestone: 0.6.0 Beta
Category: Writing
Priority: High
Type: Improvement
Description: 

 Currently the WriteThroughHandler does not in any way flush the TextWriter, for long running write through processes this may give the appearance that nothing is happening. The suggested flush interval is 50000 triples

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[dotNetRDF-Develop] Issue TOOLS-152 has been added to a project you are monitoring.

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The following issue has been added to a project that you are monitoring.

Title: Add Timing and Progress information to rdfConvert when -v (verbose mode) is enabled
Project: Toolkit
Created By: Rob Vesse
Milestone: 0.5.0 Beta
Category: rdfConvert
Priority: High
Type: Improvement
Description: 

 Currently the user has no way of knowing that a conversion is continuing to progress other than monitoring rdfConvert via task manager, adding progress messages and final timing/conversion speed information would be helpful. This should probably only be displayed when using verbose mode

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[dotNetRDF-Develop] Issue CORE-63 has been updated by Rob Vesse

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The following issue has been updated by Rob Vesse:

Title: Rewrite the SPARQL Expression evaluation around valued nodes
Project: Core Library (dotNetRDF.dll)

  - Status changed from "Planned" to "In Progress"



 More information on this issue can be found at http://www.dotnetrdf.org/tracker/Issues/IssueDetail.aspx?id=63


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[dotNetRDF-Develop] Issue CORE-63 has been updated by Rob Vesse

[<tr...@do...>]

The following issue has been updated by Rob Vesse:

Title: Rewrite the SPARQL Expression evaluation around valued nodes
Project: Core Library (dotNetRDF.dll)

  - Percent complete changed from "5%" to "15%"



 More information on this issue can be found at http://www.dotnetrdf.org/tracker/Issues/IssueDetail.aspx?id=63


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[dotNetRDF-Develop] Issue CORE-63 has a new comment

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A new comment has been added to the following issue.

Title: Rewrite the SPARQL Expression evaluation around valued nodes
Project: Core Library (dotNetRDF.dll)
Created By: Rob Vesse
Date: 2011-12-05 12:36 AM
Comment: 

 Started work on this with revision 1997 in the 0.6.0 branch - note that the branch is currently non-buildable because most of the work is not yet done. 


 So far have added the IValuedNode interface with implementations for the core types and modified the ISparqlExpression interface to add the new Evaluate() method. Also made URI, Blank and Graph Literal nodes always implement IValuedNode (in their base classes) to save wrapping these nodes where it would otherwise be required, will still need to add some wrapper classes for when we get passed custom implementations of node interfaces. For example we still need to modify virtual node base classes to be aware of this interface

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[dotNetRDF-Develop] Issue CORE-135 has been updated by Rob Vesse

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The following issue has been updated by Rob Vesse:

Title: Experiment with using a Trie to intern URIs to reduce memory usage
Project: Core Library (dotNetRDF.dll)

  - Percent complete changed from "20%" to "80%"



 More information on this issue can be found at http://www.dotnetrdf.org/tracker/Issues/IssueDetail.aspx?id=135


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[dotNetRDF-Develop] Issue CORE-135 has a new comment

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A new comment has been added to the following issue.

Title: Experiment with using a Trie to intern URIs to reduce memory usage
Project: Core Library (dotNetRDF.dll)
Created By: Rob Vesse
Date: 2011-12-05 12:33 AM
Comment: 

 Looks pretty good so far, working solidly in SVN revision 1996 for those who wish to test out the memory usage reductions, note later revisions of the 0.6.0 branch may be unusable due to ongoing refactoring work related to other issues

 More information on this issue can be found at http://www.dotnetrdf.org/tracker/Issues/IssueDetail.aspx?id=135


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[dotNetRDF-Develop] ANN - dotNetRDF 0.5.1 and Toolkit 0.4.0

[Rob V. <rv...@do...>]

Hi All


For those who haven't already spotted the release announcement through 
other channels - blog, twitter, sourceforge, codeplex and nuget - this 
email is to announce that the latest versions of dotNetRDF are now 
available.


As always you can get the latest release of the library by going to [1] and 
the latest toolkit by going to [2]


The library release is primarily a bug fix release, thanks to everyone in 
the community who contributed bug reports and patches for this release.  
There are some minor new features including Dydra support, new Stardog 
reasoning modes and updated SPARQL 1.1 support including new functions like 
STRAFTER, STRBEFORE and REPLACE


The toolkit release is a major feature release primarily with big upgrades 
to rdfEditor and Store Manager.  rdfEditor now supports multi-document 
editing allowing you to be even more productive than before.  Store Manager 
boasts a streamlined New Connection UI, support for copying/moving/renaming 
graphs both within and between stores (including ultra simple dragging and 
dropping of graphs between suitable stores).


Thanks to everyone in the community for their continued support and 
feedback, special thanks to everyone who helped us find and fix bugs.


We have big plans with regards to improving memory usage and SPARQL 
performance for our next releases and your continued feedback is what helps 
drive our task list.  As ever if there are any features you want to see or 
aren't satisfied with please let us know so we can work with you to build a 
better product for everyone


Thanks,


Rob Vesse


[1] http://www.dotnetrdf.org/content.asp?pageID=Download%20dotNetRDF

[2] 
http://www.dotnetrdf.org/content.asp?pageID=Download%20dotNetRDF%20Toolkit%2
0for%20Windows

[dotNetRDF-Develop] Issue CORE-135 has a new comment

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A new comment has been added to the following issue.

Title: Experiment with using a Trie to intern URIs to reduce memory usage
Project: Core Library (dotNetRDF.dll)
Created By: Rob Vesse
Date: 2011-12-02 07:51 AM
Comment: 

 Began initial work on this in the 0.6.0 branch as of SVN revision 1993

 More information on this issue can be found at http://www.dotnetrdf.org/tracker/Issues/IssueDetail.aspx?id=135


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[dotNetRDF-Develop] Issue CORE-135 has been updated by Rob Vesse

[<tr...@do...>]

The following issue has been updated by Rob Vesse:

Title: Experiment with using a Trie to intern URIs to reduce memory usage
Project: Core Library (dotNetRDF.dll)

  - Status changed from "Planned" to "In Progress"
  - Percent complete changed from "0%" to "20%"



 More information on this issue can be found at http://www.dotnetrdf.org/tracker/Issues/IssueDetail.aspx?id=135


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[dotNetRDF-Develop] Issue CORE-150 has a new comment

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A new comment has been added to the following issue.

Title: A SPARQL 1.1 EARL report should be generated
Project: Core Library (dotNetRDF.dll)
Created By: Rob Vesse
Date: 2011-11-30 07:51 PM
Comment: 

 Moved this to 0.6.0 though will probably get done fairly soon but was not a blocker for 0.5.1 release so bumped

 More information on this issue can be found at http://www.dotnetrdf.org/tracker/Issues/IssueDetail.aspx?id=150


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[dotNetRDF-Develop] Issue CORE-150 has been updated by Rob Vesse

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The following issue has been updated by Rob Vesse:

Title: A SPARQL 1.1 EARL report should be generated
Project: Core Library (dotNetRDF.dll)

  - Milestone changed from "0.5.1 Beta" to "0.6.0 Beta"



 More information on this issue can be found at http://www.dotnetrdf.org/tracker/Issues/IssueDetail.aspx?id=150


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[dotNetRDF-Develop] Issue CORE-144 has been updated by Rob Vesse

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The following issue has been updated by Rob Vesse:

Title: AVG() needs to support operation over non-numeric expressions
Project: Core Library (dotNetRDF.dll)

  - Status changed from "In Progress" to "Completed"
  - Resolution changed from "none" to "Fixed"
  - Percent complete changed from "0%" to "100%"



 More information on this issue can be found at http://www.dotnetrdf.org/tracker/Issues/IssueDetail.aspx?id=144


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