RIOTous questions

Hello, Well the first question is really a trig question. When is the new style BASE versus the old style @base to be preferred in trig files? The RIOT question is in Jena 3.16.0 and earlier. I try: riot --count C1.trig and get the result: C1.trig : Quads = 43 which is

Re: misleading parse exception message in Shacl.

>>> >>> Test RDF:: >>> >>> PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> >>> PREFIX rdfs:<http://www.w3.org/2000/01/rdf-schema#> >>> PREFIX sh: <http://www.w3.org/ns/shacl#> >>> PREFIX xsd: <http://www.w3.org/200

Re: misleading parse exception message in Shacl.

ds> > PREFIX bdo: <http://example/bdo> > > bds:ContentLocationShape > a sh:NodeShape ; > sh:property bds:ContentLocationShape-contentLocationStatement ; > sh:targetClass bdo:ContentLocation . > > #bds:ContentLocationShape-contentLocationStatement rdf:type sh:Propert

misleading parse exception message in Shacl.

Hi, I’ve gotten a parse exception: org.apache.jena.shacl.parser.ShaclParseException: No sh:path on a property shape: at org.apache.jena.shacl.parser.ShapesParser.findPropertyShapes(ShapesParser.java:285) at

Re: repeated ThriftConvert WARN visit: Unrecognized:

Hi Andy, > On Jul 3, 2020, at 8:41 AM, Andy Seaborne wrote: > > > > On 02/07/2020 21:55, Chris Tomlinson wrote: > > grep -v "ThriftConvert WARN visit: Unrecognized: " > > catalina.out > > > Is there any signature as to when they occur?

Re: repeated ThriftConvert WARN visit: Unrecognized:

> On Jul 2, 2020, at 17:44, Andy Seaborne wrote: > >  > > On 02/07/2020 21:55, Chris Tomlinson wrote: >>> From what I can see, it (WARN) isn't database related. >> No it seems to me to be related to getting the payload off the wire. > > I think you

Re: repeated ThriftConvert WARN visit: Unrecognized:

ase is blocked from writing to the storage. that said - it > does log if that is happening unless I/O is blocked at the OS level. > >>> On 02/07/2020 18:37, Chris Tomlinson wrote: >> Hi Andy, >>>> On Jul 2, 2020, at 10:22 AM, Andy Seaborne wrote: >>> The

Re: repeated ThriftConvert WARN visit: Unrecognized:

> On Jul 2, 2020, at 15:36, Andy Seaborne wrote: > >  >> On 01/07/2020 17:34, Chris Tomlinson wrote: >> Hi Andy, >> >>>> On Jul 1, 2020, at 7:59 AM, Andy Seaborne >>> <mailto:a...@apache.org>> wrote: >>> >>>

Re: repeated ThriftConvert WARN visit: Unrecognized:

of PUTs that we do on a daily basis. It’s not what I would call effectively repeatable. Is there a reason that we should distrust Thrift in general? Is it somehow more susceptible to undetected transmission errors that the standard encodings? Do we need to consider avoiding Thrift everywhere? Th

repeated ThriftConvert WARN visit: Unrecognized:

Hello, Running jena/fuseki 3.14.0, compiled and running under openjdk version “1.8.0_252”. Just some hours ago fuseki running on an AWS ec2 for almost a year, logged around 199M occurrences of (times are UTC): > [2020-06-30 14:12:50] Fuseki INFO [120610] 200 OK (8 ms) > [2020-06-30 14:12:51]

Re: OntDocumentManager and LocatorClassLoader

src/main/java/OntTestLoading5_ONTS_RES_CT.java> is itself simple but the pom.xml may be a bit gnarly. Thanks, Chris > On Jun 25, 2020, at 8:55 AM, Andy Seaborne wrote: > > > > On 25/06/2020 12:55, Chris Tomlinson wrote: >> Hi Andy, >> Sorry, I put the version at the

Re: OntDocumentManager and LocatorClassLoader

Hi Andy, Sorry, I put the version at the bottom. It’s 3.15, also 3.14. Thanks, Chris > On Jun 25, 2020, at 2:31 AM, Andy Seaborne wrote: > > Jena version? > > On 25/06/2020 02:59, Chris Tomlinson wrote: >> Hi, >> I've got a problem with OntDocumentManager w

OntDocumentManager and LocatorClassLoader

Hi, I've got a problem with OntDocumentManager when fetching resources from an element of the classpath via relative urls like. When I use: OntDocumentManager odm = new OntDocumentManager("A/B/C/ont-policy.rdf") or OntDocumentManager odm = new

Re: one jena-shacl question - was Re: two jena-shacl questions

1907 <https://issues.apache.org/jira/browse/JENA-1907>. I’ll comment on the issues as appropriate. Thank you again, Chris > On Jun 1, 2020, at 4:44 PM, Andy Seaborne wrote: > > > > On 01/06/2020 21:08, Chris Tomlinson wrote: >> Hi Andy, >> Not trying to be pe

Re: one jena-shacl question - was Re: two jena-shacl questions

ut I guess the latter would lead to the generic "PersonName is not well-formed …” message instead of the more specific "PersonName must have exactly one rdfs:label”. There seem to be many nuances to shacl. Anyway thanks very much for the valuable information regarding using shacl, Ch

one jena-shacl question - was Re: two jena-shacl questions

Hi Andy, Thank you for the reply. Focussing on just the first question. I have prepared small self-contained tests of jena-shacl from 3.14.0 (JS) and TopQuadrant Shacl 1.3.2 (TQ). The apps differ only according to differences imposed by the JS and TQ APIs: ShaclName_validateGraphJS.java

two jena-shacl questions

Hi, I have a two questions regarding behavior I’m seeing w/ jena-shacl in 3.14.0. The data file is P707_nameErrs02.ttl , the shape graph is at ShapeName_01.ttl , and the test code is ShaclName_validateGraph.java

Re: SHACL validation of updates with Fuseki

Hi Andy, Our jena-shacl use case in fuseki involves a limited set of graph types each with its own set of shapes, most of which do not apply to other graph types, although some apply across all graphs like requiring at least one skos:prefLabel from among a list of languages. Each changed/new

Re: SHACL Endpoint questions

to formulate a plausible extension to the shacl endpoint. Thank you again for your help in the midst of all the 3.15.0 work, Chris > On May 16, 2020, at 5:45 AM, Andy Seaborne wrote: > > > > On 15/05/2020 00:57, Chris Tomlinson wrote: >> Hello Andy, >> I

Re: SHACL Endpoint questions

es sense. Thank you again very much, Chris > On May 14, 2020, at 4:16 PM, Andy Seaborne wrote: > > On 14/05/2020 19:06, Chris Tomlinson wrote: >> Hi Andy, >> I want to validate a named graph in the context of the union graph. I don’t >> want to validate t

Re: SHACL Endpoint questions

jena.fuseki.servlets.SHACL_Validation servlet.) > > > On 14/05/2020 15:40, Chris Tomlinson wrote: >> Hi Andy, >> Thanks very much for the shacl guidance. The use of sh:targetSubjectsOf is >> quite helpful. I replaced the bdo:personName w/ bdo:isRoot which must be >

Re: SHACL Endpoint questions

; > On 13/05/2020 16:03, Chris Tomlinson wrote: >> Hi Andy, >> Thank you for the reply. I can get your example to work as you indicate, but >> have some questions: >> 1) I went through the latest SHACL draft >> <https://w3c.github.io/data-shapes/shacl/> and I

Re: SHACL Endpoint questions

l#> > PREFIX xsd: <http://www.w3.org/2001/XMLSchema#> > > PREFIX ex:<http://example/> > > ex:NotEmptyGraphShape > rdf:type sh:NodeShape ; > sh:targetNode "Empty Graph" ; > sh:sparql [ >a sh:SPARQLConstraint ; >sh:select ""&qu

Re: SHACL Endpoint questions

Hi Andy, > On May 11, 2020, at 10:38 AM, Andy Seaborne wrote: > > > > On 11/05/2020 16:27, Chris Tomlinson wrote: >> Darn it!! >> When I use the correct parameter name it “works": >> curl -s GET http://ldspdi-dev.bdrc.io/shapes/core/PersonShapes | curl

Re: SHACL Endpoint questions

tting over seeing sh:conforms true when it seems like a third result should be present. I think I don’t get how to properly think of shacl validation. Anyway sorry to bother , Chris > On May 11, 2020, at 10:19 AM, Chris Tomlinson > wrote: > > Hi Andy, > >> On May

Re: SHACL Endpoint questions

Hi Andy, > On May 10, 2020, at 2:53 PM, Andy Seaborne wrote: > > On 08/05/2020 21:34, Chris Tomlinson wrote: > >> 2) In any event, when I call the endpoint like: >> curl -s GET http://ldspdi-dev.bdrc.io/shapes/core/PersonShapes | curl -XPOST >> --data-binary @-

Re: SHACL Endpoint questions

Hi Andy, Thanks for the reply. I'll try again tomorrow with the clarification regarding ?graph= which is in the doc but not the examples and I didn't read the doc above the examples closely. Chris > On May 10, 2020, at 14:53, Andy Seaborne wrote: > >  > >> On 08/05

SHACL Endpoint questions

Hello, I’ve enabled a shacl endpoint as described in Apache Jena Shacl and have some questions. Our objective in using the endpoint is to be able to validate a given resource graph in the tdb:unionDefaultGraph against a given shapes graph. 1) I

Re: OntDocumentManager and related questions

I think I now understand a little better about OntDocumentManager and OntModels. I stared at Jena code, documentation <https://jena.apache.org/documentation/ontology/> and more test code. Maybe the following will be helpful to someone else. > On Apr 22, 2020, at 6:21 PM, Chris

OntDocumentManager and related questions

Hello, We’re having some difficulties using the OntDocumentManager properly. I’ve put together a test app that exercises several usages. I am running it in eclipse with references to the jena libs from 3.15-SNAPSHOT which I

Re: how to disable DEBUG and TRACE in 3.15.0-SNAPSHOT

Never mind. The messages disappeared when I created a copy of the test w/ a different name?! Sorry for the interruption, Chris > On Apr 22, 2020, at 12:18 PM, Chris Tomlinson > wrote: > > Hi, > > I’m trying to test some code against 3.15.0-SNAPSHOT referring to jena-arq,

how to disable DEBUG and TRACE in 3.15.0-SNAPSHOT

Hi, I’m trying to test some code against 3.15.0-SNAPSHOT referring to jena-arq, jena-base, jena-core, and jena-rdfconnection in an eclipse environment and when I run the test app (which, btw, works fine) I get many many lines of output like: > DEBUG StatusLogger Using ShutdownCallbackRegistry

Re: Apache Jena Fuseki with text indexing

Zhenya, Do you see any content in the directory: > text:directory ; like the following partial listing: > fuseki@foo :~/base/lucene-test$ ls -l > total 3608108 > -rw-rw 1 fuseki fuseki 7772 Jan 29 21:15 _19a_5x.liv > -rw-r- 1 fuseki fuseki299 Jan 21 15:53 _19a.cfe >

Re: Text search and similar

Hi Mikael, > On Jan 10, 2020, at 4:26 AM, Mikael Pesonen > wrote: > > > Hi Chris, > > On 09/01/2020 17.50, Chris Tomlinson wrote: >> Hello Br, >> >>> On Jan 9, 2020, at 3:34 AM, Mikael Pesonen >>> wrote: >>> >>> >

Re: Text search and similar

Hello Br, > On Jan 9, 2020, at 3:34 AM, Mikael Pesonen wrote: > > > Hi, > > I asked about these few years ago so maybe there is some new ideas. > > 1) Is it possible to config text index so that it would add, for example, all > textual values (xsd:string etc) to index automatically? Now

Re: No such type:

--- > > With the above configuration I do not get a "No such type" error, but I get a > sort of mixed behavior. Sometimes it seems to work, while most of the times > it returns zero results. And I cannot reproduce it either... it gives me zero > results except a few times

Re: No such type:

Hi Laura, It would be helpful to see the assembler file. Then we may get closer to whether there's a bug. Regards, Chris > On Oct 6, 2019, at 12:27, Laura Morales wrote: > > I'm trying to enable full text search on a Fuseki v3.12 instance but I get > the error shown below. The assembler is

Re: JenaText: support for explicit field names in text queries

to an appropriate match value as currently. Perhaps you can raise a Jena issue and we can discuss and see what can be done. Regards, Chris > On Sep 1, 2019, at 2:25 PM, Chris Tomlinson > wrote: > > Hi Brian, > >> On Sep 1, 2019, at 7:17 AM, Brian McBride

Re: JenaText: support for explicit field names in text queries

Hi Brian, > On Sep 1, 2019, at 7:17 AM, Brian McBride > wrote: > > It used to be the case that JenaText supported querying of a Lucene text > index where the index was created independently of Jena and then made > available to JenaText via the dataset configuration. Is this still the case?

Re: JENA-1620 and Query timeout overrides

Hi Brian, The Lucene version changed in 3.10.0 to 7.4 from 6.4 in 3.9.0 (and earlier). I don’t think this has anything to do with the problem though. I’m surprised that the query you indicate works in 3.9.0. It looks like what’s intended is a phrase query but it needs to be surrounded by

Re: question about RDFPatch headers

nfusion about duplicates > for things that must be unique (like id). c.f. HTTP headers. > > If you think the meta data is going to get large, then a link to elsewhere > may be better for other reasons like using the metadata without needing to > access the patch in the log

Re: concatenating patches

Hi Andy, Thanks for the reply. We’ll look more deeply into the rdf-delta repo. I think there’s a lot there to at least help inform our design. Regards, Chris > On May 17, 2019, at 8:06 AM, Andy Seaborne wrote: > > > > On 16/05/2019 18:48, Chris Tomlinson wrote: >> Hel

concatenating patches

Hello, As part of our editing service development, using at least aspects of RDFPatch, we have a use-case that goes like this: User U_A does some work on a number of resources resulting in patch P_01 and then stashes the patch on the editing service and requests user U_B to finish the work

question about RDFPatch headers

Hi, We’re building an editing service for our RDF Linked Data Service and are thinking to use at least some of the features of RDFPatch/RDFDelta. We use named graphs for the various Entities that we model: Works, Persons, Places, Lineages and so on. We are wanting to include in the patch some

Re: Trouble with querying with language in Jena text

Hi Mikael, try removing: > text:queryAnalyzer [ a text:KeywordAnalyzer ] ; > text:queryParser text:AnalyzingQueryParser ; Also the following should work as well as using “lang:en”: (?s ?score ?content) text:query (lsrm:content “text”@en) but I doubt that will make a

Re: Text Index build with empty fields

; task, then to check the results. > Thank you for your support so far! Shall I close the ticket? > Best regards, > Sorin > > Am 12.03.2019 um 15:39 schrieb Chris Tomlinson: >> Hi Sorin, >> >> I have focussed on the jena text integration w/ Lucene local to jena/fusek

Re: Text Index build with empty fields

ration.html > > <https://www.elastic.co/guide/en/elasticsearch/client/java-rest/master/java-rest-high-level-migration.html> > > Best regards, > Sorin > > Am 11.03.2019 um 18:38 schrieb Chris Tomlinson: >> Hi Sorin, >> >> I haven’t had the time to tr

Re: Text Index build with empty fields

a sends whole text index data within one TCP packet for one > Elasticsearch document. > > 3) fuseki.log collects logs when Fuseki server is running, but for text > indexer we have to run java command line, i.e. > > java -cp ./fuseki-server.jar: jena.textindexer > --des

Re: Text Index build with empty fields

sorry for the misinformation. > Attached is the assembler file for 3.10.0 as requested, as well as the packet > capture file to see that only the 'gndtype' field has data. > I tried to enable the debug logs in log4j.properties with > log4j.logger.org.apache.jena.query.text.es=DEBUG b

Re: Text Index build with empty fields

Hi Sorin, Please provide the assembler file for Elasticsearch that has the problematic entity map definitions. There haven’t been any changes in over a year to textindexer since well before 3.9. I don’t see any relevant changes to the handling of entity maps either so I can’t begin to pursue

Re: missing xml:base

gt;> prfx:lcl-name to just lcl-name by setting xml:base to prfx: namespace >> URI, but that would only work for a single namespace. >> And not sure how much sense it makes to compare RDF/XML with Turtle >> because the former builds on XML which has its own namespace >> mech

Re: missing xml:base

ys writes absolute URIs, so > xml:base is unnecessary because it would have no effect anyway? > > On Fri, Feb 22, 2019 at 11:20 PM Chris Tomlinson > wrote: >> >> Hello, >> >> We are trying to serve various ontology files in a variety of >> serialization

missing xml:base

Hello, We are trying to serve various ontology files in a variety of serializations, principally RDF/XML and Turtle. The specs indicate that if the baseURI for an ontology is the URL by which the ontology is retrieved then it is not required that the producer include an explicit xml:base or

Re: Jena Full Text Search documentation

I finally update the jena text query documentation with the helpful table supplied by Sorin Gheorghiu. Thank you for the contribution, Chris > On Feb 5, 2019, at 6:07 AM, Sorin Gheorghiu > wrote: > > Hi, > > it is a great that Jena supports further the Full Text Search extension. >

Re: Text search from sparql

ry >>> >>> -- give a path for TDB (tdb:location >>> "/home/.../fuseki/run/databases/My_dataset") >>> >>> -- if you don't set environment variables, run fuseki after changing >>> directory ("cd My_Fuseki_install) and give relative paths for

Re: Text search from sparql

aps verify that when you see all concepts returned that there is a log message indicating that the TextIndex is missing for the dataset. Thanks, Chris > On Jan 18, 2019, at 10:13 AM, Chris Tomlinson > wrote: > > Hi, > > 1) If you’re using a default config, it does

Re: Text search from sparql

Hi, 1) If you’re using a default config, it does not have a working jena-text configuration. The config will need to include skos:prefLabel in the entity map. 2) when you change the jena-text in significant ways, such as changing what analyzer is used for a given property and so on, then

Re: Error in Jena code, when switch to another computer

Encoding mismatch or a stray xml byte order mark: http://illegalargumentexception.blogspot.com/2010/09/java-content-is-not-allowed-in-prolog.html > On May 26, 2018, at 20:15, javed khan wrote: > > Thanks for your reply > > I use almost the same versions of Java,

Re: Fuseki as Tomcat app: Setting FUSEKI_BASE

: FUSEKI_BASE is not writable: > /etc/fuseki" > > However, > > echo $FUSEKI_BASE > > gives me the changed directory. > > > Best, > > Christian > > > > > Von: Chris Tomlinson <chris.j.tomlin...@gmail.com&

Re: Fuseki as Tomcat app: Setting FUSEKI_BASE

Hi Christian, You will need to ensure that FUSEKI_BASE is defined in the environment the tomcat is run in, like: export FUSEKI_BASE=/usr/local/fuseki/base Chris > On Feb 22, 2018, at 10:57 AM, Christian Schwaderer > wrote: > > Dear all, > > my question might

Re: Fuseki errors with concurrent requests

, ajs6f <aj...@apache.org> wrote: > > That (using a queue) would depend on what you mean by "a database load going > on with our own app". Are you doing those updates singlethreaded? > > ajs6f > >> On Jan 29, 2018, at 10:27 AM, Chris Tomlinson <chris.j.t

Re: Fuseki errors with concurrent requests

ter solution, quick one would be to put all operations through a >> single queue? >> >> Br >> >> On 25.1.2018 4:11, Chris Tomlinson wrote: >>> Also, >>> >>> Here's a link to the fuseki config: >>> >>> https://raw.githu

Re: Fuseki errors with concurrent requests

Also, Here's a link to the fuseki config: https://raw.githubusercontent.com/BuddhistDigitalResourceCenter/buda-base/master/conf/fuseki/bdrc-example.ttl Chris > On Jan 24, 2018, at 17:40, Chris Tomlinson <chris.j.tomlin...@gmail.com> > wrote: > > On the latest 3.7.0-Snapshot

Re: Fuseki errors with concurrent requests

On the latest 3.7.0-Snapshot (master branch) I also saw repeated occurrences of this the other day while running some queries from the fuseki browser app and with a database load going on with our own app using: DatasetAccessorFactory.createHTTP(baseUrl+"/data”); with for the first model

fuseki 3.5.0 upload error

Hi, I am seeing the following error in fuseki 3.5.0 when I use the “upload files” tab: Result: failed with message "SyntaxError: JSON Parse error: Unrecognized token '<‘" I’ve tried ttl, jsonld and rdf/xml versions of the same set of triples: @prefix ex: . @prefix

Re: jena-text highlighting support

match in the returned literal. Thanks, Chris > On Oct 20, 2017, at 2:00 PM, Chris Tomlinson <chris.j.tomlin...@gmail.com> > wrote: > > Hi, > > I’m interested in looking into whether and how it might be possible to > incorporate Lucene highlighting into jena-text.

Re: Fuseki TDB database size growth

erfectly usable as a primary database > > However, if your use case regularly rewrites your entire database then you > are going to have problems and this would be true of any database system, > although obviously implementation specifics will have an impact on this. > > Rob

Re: Fuseki TDB database size growth

r data in the database unless you have an active support contract, and > then backup anyway (and test the backup). > > On 22/08/17 03:22, Chris Tomlinson wrote: >> Hi, >> This is interesting to know about blank nodes and reference counting. Does >> the comment regarding de

Re: Fuseki TDB database size growth

Hi, This is interesting to know about blank nodes and reference counting. Does the comment regarding deleting triples not recovering blank nodes apply if an entire named graph which includes some blank nodes is deleted? If so it seems that in production Jena/TDB is expected to be periodically

Re: Performance with very long strings - Re: large literals best practice?

going to keep pages cached so it's going to use heap RAM > especially as characters are 2 bytes. There again, it's only 10G or so. > > See the documentation for tuning caches: > https://jena.apache.org/documentation/tdb/store-parameters.html > >Andy > >> On

Performance with very long strings - Re: large literals best practice?

summaries or abstracts and such, rather than entire pages of text. Thanks, Chris > On Aug 17, 2017, at 12:48 PM, Chris Tomlinson <chris.j.tomlin...@gmail.com> > wrote: > > Hello, > > We have 23K texts averaging 10 pp/text (total pages: 229K) and ~17KB/page, > for a total

large literals best practice?

Hello, We have 23K texts averaging 10 pp/text (total pages: 229K) and ~17KB/page, for a total of 4GB of text. These texts are currently indexed via Lucene in an XMLdb and we’re wanting to know if there are any known issues regarding large literals in Jena. In other words we are considering

Re: statement ids, rdf* and reification

ortant are annotations in current mainstream usage of Jena? Thank you again for your reply, Chris > On Aug 8, 2017, at 5:37 AM, Andy Seaborne <a...@apache.org> wrote: > > > > On 07/08/17 19:35, Chris Tomlinson wrote: >> Hello, >> We're investigating various approaches to

statement ids, rdf* and reification

Hello, We're investigating various approaches to adding annotations about individual statements (or perhaps rarely a subset of statements) of a named graph. There’s note from 2015, Re: Performance Cost of Reification , that mentions a syntax

Re: Fuseki prefixes

Andy, In at least one configuration qonsole-config.js is loaded. We’re using fuseki.war from apache-jena-fuseki-2.5.0.tar.gz in Tomcat 8 and we update the qoncole-config.js in tomcat/webapps/fuseki/js/app/ with the various prefixes used in our application. In this configuration it is loaded in