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[protege-discussion] protege-discussion Digest, Vol 64, Issue 38

Khánh Linh linhkid91 at gmail.com
Tue Nov 29 20:06:52 PST 2011


Dear Matthew,

Thank you for your enthusiastic and instant help for my issue. Your
explanation is completely clear and that's all I need to understand it
deeper.

I run on my Protege, it works. But when I implement it on Jena, it returns
"Line 1, column 752: Unresolved prefixed name: :hasTopping", although I
added prefixes in the query.

By the way, can you tell me more about the differences between running
query directly on Protege and running query from Jena. Why I run the query
on Protege it works but not in Jena ? I think the query is absolutely
right, but there might be something that I still do not understand.

Best regrads,

Linh Nguyen
On Wed, Nov 30, 2011 at 6:35 AM, <
protege-discussion-request at lists.stanford.edu> wrote:

> Send protege-discussion mailing list submissions to
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>
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>
>
> Today's Topics:
>
>   1. Re: Problem with SPARQL query (Matthew Horridge)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Tue, 29 Nov 2011 15:35:27 -0800
> From: Matthew Horridge <matthew.horridge at stanford.edu>
> To: User support for Core Protege and the Protege-Frames editor
>        <protege-discussion at lists.stanford.edu>
> Subject: Re: [protege-discussion] Problem with SPARQL query
> Message-ID: <043CF413-B4CC-4EC2-8DF3-9CF62E069D57 at stanford.edu>
> Content-Type: text/plain; charset="iso-8859-1"
>
> Hi Linh,
>
> You need to know something about how toppings in this ontology are
> represented in OWL and how this OWL translates to RDF under the hood.  Take
> your example of Caprina pizza.  The fact that a Caprina pizza has a tomato
> topping is represented by the following axiom in OWL:
>
> Class:  Caprina
>
> SubClassOf:
>         hasTopping some TomatoTopping
>
> in other words Caprina is a subclass of the class of things that have at
> least one hasTopping relationship to an instance of TomatoTopping.  This
> gets translated to the following RDF triples:
>
>
> :Caprina  rdfs:subClassOf _:x .
> _:x rdf:type owl:Restriction .
> _:x owl:onProperty :hasTopping .
> _:x owl:someValuesFrom :TomatoTopping .
>
> where the _:x represents a blank node that is used in RDF to encode the
> "hasTopping some TomatoTopping" class expression.  You would therefore need
> to ask the following query, which returns a table with two columns - one
> containing the pizza and one containing the topping.
>
>
> SELECT ?p ?t
>
> WHERE
> {
> ?p rdfs:subClassOf _:x .
> _:x rdf:type owl:Restriction .
> _:x owl:onProperty :hasTopping .
> _:x owl:someValuesFrom ?t .
> }
>
> This gives the results you seem to want (see screenshot below).  You
> should note that these results are based on asserted information as Protege
> 3 doesn't use any reasoning to answer sparql queries.  If you need
> reasoning to compute query answers then you'll need to use reasoners that
> support this such as Pellet or HermiT directly.
>
> Cheers,
>
> Matthew
>
>
>
> On 29 Nov 2011, at 07:32, Kh?nh Linh wrote:
>
> > Hi,
> >
> > I have added "SELECT ?p" instead of "SELECT *" but it still does not
> work (returns "No matches found").
> >
> > I think we will get rid of it and try to focus on thinking query for
> example: Find which pizzas has TomatoTopping or, which toppings that a
> Caprina pizza has ?
> >
> > Thanks a lot,
> >
> > Linh
> > On Tue, Nov 29, 2011 at 5:51 PM, <
> protege-discussion-request at lists.stanford.edu> wrote:
> > Send protege-discussion mailing list submissions to
> >        protege-discussion at lists.stanford.edu
> >
> > To subscribe or unsubscribe via the World Wide Web, visit
> >        https://mailman.stanford.edu/mailman/listinfo/protege-discussion
> > or, via email, send a message with subject or body 'help' to
> >        protege-discussion-request at lists.stanford.edu
> >
> > You can reach the person managing the list at
> >        protege-discussion-owner at lists.stanford.edu
> >
> > When replying, please edit your Subject line so it is more specific
> > than "Re: Contents of protege-discussion digest..."
> >
> >
> > Today's Topics:
> >
> >   1. Re: Problem with SPARQL query (Brice Sommacal)
> >   2. Re: 3.4.7 WebStart Client failing (Dennis Pierson)
> >
> >
> > ----------------------------------------------------------------------
> >
> > Message: 1
> > Date: Tue, 29 Nov 2011 11:31:16 +0100
> > From: Brice Sommacal <brice.sommacal at gmail.com>
> > To: User support for Core Protege and the Protege-Frames editor
> >        <protege-discussion at lists.stanford.edu>
> > Subject: Re: [protege-discussion] Problem with SPARQL query
> > Message-ID:
> >        <CAKf=
> qYvT+BOkCFu973Aj03qK7DE87+se3GJrAyzLxGYBZmUbww at mail.gmail.com>
> > Content-Type: text/plain; charset="utf-8"
> >
> > Hello Linh,
> >
> > In your SELECT, you have to refer to a variable which is defined in your
> > query.
> > You can't use "*" in SELECT, but only a variable (?x).
> >
> > You should try:
> > *"PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> *
> > *PREFIX pizza: <http://www.co-ode.org/ontologies/pizza/pizza.owl#> *
> > *SELECT ?p WHERE { ?p rdf:type pizza:Pizza; pizza:hasTopping ?t. ?t
> > rdf:type pizza:TomatoTopping }"*
> >
> > Regards,
> >
> > Brice
> >
> > 2011/11/29 Kh?nh Linh <linhkid91 at gmail.com>
> >
> > > Dear all,
> > >
> > > I know this maybe a stupid question but I will be very glad if someone
> > > help me with this. I'm absolutely new with Ontology.
> > >
> > > Started with Pizza example. I want to list a Pizza that has Tomato
> > > Topping. And I tried this in my Prote?ge? 3.4.7 in the SPARQL Query
> Panel:
> > >
> > > *"PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> *
> > > *PREFIX pizza: <http://www.co-ode.org/ontologies/pizza/pizza.owl#> *
> > > *SELECT * WHERE { ?p rdf:type pizza:Pizza; pizza:hasTopping ?t. ?t
> > > rdf:type pizza:TomatoTopping }"*
> > >
> > > It returns "No matches found".
> > >
> > > I don't know why the result is like that. Can you run this query and
> find
> > > out why it returns null ?
> > >
> > > Beside, I also attach the Pizza.owl.pprj file if somebody doesn't have
> it.
> > >
> > > I'm looking forward to hearing from you,
> > >
> > > Best regrads,
> > >
> > > Linh Nguyen
> > >
> > > _______________________________________________
> > > protege-discussion mailing list
> > > protege-discussion at lists.stanford.edu
> > > https://mailman.stanford.edu/mailman/listinfo/protege-discussion
> > >
> > > Instructions for unsubscribing:
> > > http://protege.stanford.edu/doc/faq.html#01a.03
> > >
> > >
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> >
> >
> > ------------------------------
> >
> > Message: 2
> > Date: Tue, 29 Nov 2011 10:51:09 +0000
> > From: Dennis Pierson <Dennis.Pierson at mphasis.com>
> > To: User support for Core Protege and the Protege-Frames editor
> >        <protege-discussion at lists.stanford.edu>
> > Subject: Re: [protege-discussion] 3.4.7 WebStart Client failing
> > Message-ID:
> >        <
> 268F58C065D67D48853D7F4337BAFB4D01FACA at MPDAMBX01.corp.mphasis.com>
> > Content-Type: text/plain; charset="iso-8859-1"
> >
> > I think this slipped by. Please take a look.
> >
> > From: protege-discussion-bounces at lists.stanford.edu [mailto:
> protege-discussion-bounces at lists.stanford.edu] On Behalf Of Dennis Pierson
> > Sent: Sunday, November 27, 2011 3:39 PM
> > To: protege-discussion at lists.stanford.edu
> > Cc: Solomon Harsha
> > Subject: [protege-discussion] 3.4.7 WebStart Client failing
> >
> > Hi,
> >
> > I believe the downloaded client is connecting across the internet ok. It
> stalls when I click the Open Other button. I can create a new one, but I'm
> not sure which file system it's looking at because I can't find it either
> locally or remotely after I save it.  The webapp is working fine.
> >
> > Here's the stack trace from the java console - the logger.access denied,
> bundle, and jgo NoClassDefFoundError warnings happen on load (where is that
> class?).
> >
> > The AccessControlException exceptions occur when I click the Open Other
> button. I tried cert-signing the prot?g?.jar in the webapps/WebProtege/lib
> folder, but that didn't help. If that really is the solution, I may have
> done it wrong
> > >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
> > Exception configuring logger
> > Could not set logger level
> > Warning: IO exception getting logger. access denied
> (java.util.PropertyPermission protege.properties.in.user.home read)
> > Nov 27, 2011 3:29:21 PM edu.stanford.smi.protege.plugin.PluginUtilities
> findPluginsDirectory
> > WARNING: Application directory not specified
> > Nov 27, 2011 3:29:22 PM edu.stanford.smi.protege.resource.BundleHelper
> <init>
> > WARNING: missing bundle: standard_extensions_text
> > Nov 27, 2011 3:29:22 PM edu.stanford.smi.protege.resource.BundleHelper
> internalGetText
> > WARNING: no resource bundle: tab.queries
> > Nov 27, 2011 3:29:22 PM edu.stanford.smi.protege.plugin.PluginUtilities
> isLoadableClass
> > WARNING: java.lang.NoClassDefFoundError: com/nwoods/jgo/JGoViewListener
> > JGoodies Looks: Can't read the System property Plastic.tabStyle.
> > JGoodies Looks: Can't read the System property Plastic.highContrastFocus.
> > JGoodies Looks: Can't read the System property Plastic.defaultTheme.
> > JGoodies Looks: Can't read the System property jgoodies.useNarrowButtons.
> > JGoodies Looks: Can't read the System property jgoodies.tabIconsEnabled.
> > JGoodies Looks: Can't read the System property
> jgoodies.popupDropShadowEnabled.
> > Nov 27, 2011 3:29:22 PM edu.stanford.smi.protege.resource.BundleHelper
> <init>
> > WARNING: missing bundle: protege_text
> > Exception occurred during event dispatching:
> > java.security.AccessControlException: access denied
> (java.util.PropertyPermission user.dir read)
> >                at
> java.security.AccessControlContext.checkPermission(Unknown Source)
> >                at java.security.AccessController.checkPermission(Unknown
> Source)
> >                at java.lang.SecurityManager.checkPermission(Unknown
> Source)
> >                at java.lang.SecurityManager.checkPropertyAccess(Unknown
> Source)
> >                at java.lang.System.getProperty(Unknown Source)
> >                at java.io.Win32FileSystem.getUserPath(Unknown Source)
> >                at java.io.Win32FileSystem.resolve(Unknown Source)
> >                at java.io.File.getAbsolutePath(Unknown Source)
> >                at
> javax.swing.filechooser.WindowsFileSystemView.isFloppyDrive(Unknown Source)
> >                at
> javax.swing.plaf.basic.BasicFileChooserUI$BasicFileView.getIcon(Unknown
> Source)
> >                at
> com.jgoodies.looks.plastic.PlasticFileChooserUI$SystemIconFileView.getIcon(PlasticFileChooserUI.java:95)
> >                at javax.swing.JFileChooser.getIcon(Unknown Source)
> >                at
> javax.swing.plaf.metal.MetalFileChooserUI$DirectoryComboBoxRenderer.getListCellRendererComponent(Unknown
> Source)
> >                at
> javax.swing.plaf.basic.BasicListUI.updateLayoutState(Unknown Source)
> >                at
> javax.swing.plaf.basic.BasicListUI.maybeUpdateLayoutState(Unknown Source)
> >                at
> javax.swing.plaf.basic.BasicListUI$Handler.valueChanged(Unknown Source)
> >                at
> javax.swing.DefaultListSelectionModel.fireValueChanged(Unknown Source)
> >                at
> javax.swing.DefaultListSelectionModel.fireValueChanged(Unknown Source)
> >                at
> javax.swing.DefaultListSelectionModel.fireValueChanged(Unknown Source)
> >                at
> javax.swing.DefaultListSelectionModel.changeSelection(Unknown Source)
> >                at
> javax.swing.DefaultListSelectionModel.changeSelection(Unknown Source)
> >                at
> javax.swing.DefaultListSelectionModel.setSelectionInterval(Unknown Source)
> >                at javax.swing.JList.setSelectedIndex(Unknown Source)
> >                at
> javax.swing.plaf.basic.BasicComboPopup.setListSelection(Unknown Source)
> >                at
> javax.swing.plaf.basic.BasicComboPopup.access$300(Unknown Source)
> >                at
> javax.swing.plaf.basic.BasicComboPopup$Handler.itemStateChanged(Unknown
> Source)
> >                at javax.swing.JComboBox.fireItemStateChanged(Unknown
> Source)
> >                at javax.swing.JComboBox.selectedItemChanged(Unknown
> Source)
> >                at javax.swing.JComboBox.contentsChanged(Unknown Source)
> >                at
> javax.swing.AbstractListModel.fireContentsChanged(Unknown Source)
> >                at
> javax.swing.plaf.metal.MetalFileChooserUI$DirectoryComboBoxModel.setSelectedItem(Unknown
> Source)
> >                at
> javax.swing.plaf.metal.MetalFileChooserUI$DirectoryComboBoxModel.addItem(Unknown
> Source)
> >                at
> javax.swing.plaf.metal.MetalFileChooserUI$DirectoryComboBoxModel.access$900(Unknown
> Source)
> >                at
> javax.swing.plaf.metal.MetalFileChooserUI.doDirectoryChanged(Unknown Source)
> >                at
> javax.swing.plaf.metal.MetalFileChooserUI.access$1200(Unknown Source)
> >                at
> javax.swing.plaf.metal.MetalFileChooserUI$5.propertyChange(Unknown Source)
> >                at
> java.beans.PropertyChangeSupport.firePropertyChange(Unknown Source)
> >                at
> java.beans.PropertyChangeSupport.firePropertyChange(Unknown Source)
> >                at java.awt.Component.firePropertyChange(Unknown Source)
> >                at javax.swing.JFileChooser.setCurrentDirectory(Unknown
> Source)
> >                at javax.swing.JFileChooser.<init>(Unknown Source)
> >                at javax.swing.JFileChooser.<init>(Unknown Source)
> >                at
> edu.stanford.smi.protege.util.ProjectChooser.<init>(Unknown Source)
> >                at
> edu.stanford.smi.protege.ui.ProjectManager.getRequestedProject(Unknown
> Source)
> >                at
> edu.stanford.smi.protege.ui.ProjectManager.openProjectRequest(Unknown
> Source)
> >                at
> edu.stanford.smi.protege.ui.WelcomeDialog.openOtherButton_actionPerformed(Unknown
> Source)
> >                at
> edu.stanford.smi.protege.ui.WelcomeDialog$3.actionPerformed(Unknown Source)
> >                at javax.swing.AbstractButton.fireActionPerformed(Unknown
> Source)
> >                at
> javax.swing.AbstractButton$Handler.actionPerformed(Unknown Source)
> >                at
> javax.swing.DefaultButtonModel.fireActionPerformed(Unknown Source)
> >                at javax.swing.DefaultButtonModel.setPressed(Unknown
> Source)
> >                at
> javax.swing.plaf.basic.BasicButtonListener.mouseReleased(Unknown Source)
> >                at java.awt.AWTEventMulticaster.mouseReleased(Unknown
> Source)
> >                at java.awt.Component.processMouseEvent(Unknown Source)
> >                at javax.swing.JComponent.processMouseEvent(Unknown
> Source)
> >                at java.awt.Component.processEvent(Unknown Source)
> >                at java.awt.Container.processEvent(Unknown Source)
> >                at java.awt.Component.dispatchEventImpl(Unknown Source)
> >                at java.awt.Container.dispatchEventImpl(Unknown Source)
> >                at java.awt.Component.dispatchEvent(Unknown Source)
> >                at
> java.awt.LightweightDispatcher.retargetMouseEvent(Unknown Source)
> >                at
> java.awt.LightweightDispatcher.processMouseEvent(Unknown Source)
> >                at java.awt.LightweightDispatcher.dispatchEvent(Unknown
> Source)
> >                at java.awt.Container.dispatchEventImpl(Unknown Source)
> >                at java.awt.Window.dispatchEventImpl(Unknown Source)
> >                at java.awt.Component.dispatchEvent(Unknown Source)
> >                at java.awt.EventQueue.dispatchEventImpl(Unknown Source)
> >                at java.awt.EventQueue.access$000(Unknown Source)
> >                at java.awt.EventQueue$1.run(Unknown Source)
> >                at java.awt.EventQueue$1.run(Unknown Source)
> >                at java.security.AccessController.doPrivileged(Native
> Method)
> >                at
> java.security.AccessControlContext$1.doIntersectionPrivilege(Unknown Source)
> >                at
> java.security.AccessControlContext$1.doIntersectionPrivilege(Unknown Source)
> >                at java.awt.EventQueue$2.run(Unknown Source)
> >                at java.awt.EventQueue$2.run(Unknown Source)
> >                at java.security.AccessController.doPrivileged(Native
> Method)
> >                at
> java.security.AccessControlContext$1.doIntersectionPrivilege(Unknown Source)
> >                at java.awt.EventQueue.dispatchEvent(Unknown Source)
> >                at
> java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
> >                at
> java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
> >                at
> java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
> >                at java.awt.Dialog$1.run(Unknown Source)
> >                at java.awt.event.InvocationEvent.dispatch(Unknown Source)
> >                at java.awt.EventQueue.dispatchEventImpl(Unknown Source)
> >                at java.awt.EventQueue.access$000(Unknown Source)
> >                at java.awt.EventQueue$1.run(Unknown Source)
> >                at java.awt.EventQueue$1.run(Unknown Source)
> >                at java.security.AccessController.doPrivileged(Native
> Method)
> >                at
> java.security.AccessControlContext$1.doIntersectionPrivilege(Unknown Source)
> >                at
> java.security.AccessControlContext$1.doIntersectionPrivilege(Unknown Source)
> >                at java.awt.EventQueue$2.run(Unknown Source)
> >                at java.awt.EventQueue$2.run(Unknown Source)
> >                at java.security.AccessController.doPrivileged(Native
> Method)
> >                at
> java.security.AccessControlContext$1.doIntersectionPrivilege(Unknown Source)
> >                at java.awt.EventQueue.dispatchEvent(Unknown Source)
> >                at
> java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
> >                at
> java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
> >                at
> java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
> >                at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
> >                at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
> >                at java.awt.EventDispatchThread.run(Unknown Source)
> >
> > Dennis Pierson | Senior Architect, MDM and Semantics | M P H A S I S  an
> HP Company | 460 Park Avenue South, Suite 1101, New York, NY 10016  |  Fax:
>  (212) 686 2422 | Mobile: (215) 622 1650|  www.mphasis.com<
> https://usmail1.mphasis.com/owa/UrlBlockedError.aspx>
> >
> >
> > ________________________________
> >
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> strictly prohibited. In such cases, please notify us immediately at
> mailmaster at mphasis.com and delete this mail from your records.
> >
> > ________________________________
> >
> > Information transmitted by this e-mail is proprietary to MphasiS, its
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> the individual or entity to which it is addressed, and may contain
> information that is privileged, confidential or exempt from disclosure
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> > ------------------------------
> >
> > _______________________________________________
> > protege-discussion mailing list
> > protege-discussion at lists.stanford.edu
> > https://mailman.stanford.edu/mailman/listinfo/protege-discussion
> >
> >
> > End of protege-discussion Digest, Vol 64, Issue 36
> > **************************************************
> >
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