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I am using schema.org to describe stocks on my website. Schema.org says I should use the NAICS code: http://schema.org/Organization. But I am not sure if the NAICS numerical code is better or the NAICS text name. E.g:
Which one should I use:
Code: 111199
Name: Barley farming, field and seed production
NAICS in schema.org is derived from appropriate property in GoodRelations vocabulary.
And in GoodRelations owl ontology file you can find
<owl:DatatypeProperty rdf:about="http://purl.org/goodrelations/v1#hasNAICS">
<rdfs:range rdf:resource="http://www.w3.org/2001/XMLSchema#int"/>
<rdfs:label xml:lang="en">has NAICS (0..*)</rdfs:label>
<rdfs:domain>
<owl:Class>
<owl:unionOf rdf:parseType="Collection">
<rdf:Description rdf:about="http://purl.org/goodrelations/v1#BusinessEntity"/>
<rdf:Description rdf:about="http://schema.org/Organization"/>
</owl:unionOf>
</owl:Class>
</rdfs:domain>
<rdfs:comment xml:lang="en">The North American Industry Classification System (NAICS) code for a particular gr:BusinessEntity.
See http://www.census.gov/eos/www/naics/ for more details.
Note: While NAICS codes are sometimes misused for classifying products or services, they are designed and suited only for classifying business establishments.</rdfs:comment>
<rdfs:isDefinedBy rdf:resource="http://purl.org/goodrelations/v1"/>
</owl:DatatypeProperty>
You're interested in this paricular line
<rdfs:range rdf:resource="http://www.w3.org/2001/XMLSchema#int"/>
So even though type of the property in schema.org is Text it is better to use numerical code.
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Will any of the following keywords, with the registered mark, have any affect when Company Name is being searched, or do symbols and tags play no role?
Company Name (obviously no affect)
Company Name®
Company Name®
Company Name®
Company Name<sup>®</sup>
Company Name<sup>®</sup>
Company Name<sup>®</sup>
At least one SEO believes that the search engines will treat the variations all the same. We can see from the a Google search for Adobe® vs. Adobe that the term does not in change the result count.
In most of what I have seen in various keyword tools, search engines like to just assume non-alphanumeric characters are just spaces. My advice would be to just encode the entities (e.g. ®)
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i work with Oxygen XMLTester for xPath selectors, supporting XPath 2.0 specification. So i wonder if there is any online tester working with XPath 2.0 spec.?
http://www.xmlme.com/XpathTool.aspx[http://www.xmlme.com/XpathTool.aspx][2]
http://www.xpathtester.com/test[http://www.xpathtester.com/test][3]
Those above-mentioned testers failed to take the following XPAth (2.0 rather succeded):/list/sum(item/prices/price[#currency='USD']) with XML:
<list>
<item new='true'>
<title lang="en">Pop-Music DVD</title>
<author >K. A. Bred</author>
<year>2012</year>
<prices>
<price currency="USD">29.99</price>
<price currency="EUR">23.2</price>
</prices>
</item>
<item new='false'>
<title>Gone with the wind</title>
<author>M. Mitchell</author>
<year>1936</year>
<prices>
<price currency="USD">19.05</price>
<price currency="EUR">15</price>
</prices>
</item>
</list>
Since this bubbled up again:
I also made a XPath 2.0 online tester here.
Not so colorful or descriptive, but IMHO easier to use for small queries.
There's now an online XPath 2.0 tester/analyser at:
http://www.qutoric.com/xslt/analyser/xpathtool.html
This actually runs using the Saxon-CE XSLT 2.0 processor under the covers (the app was written in XSLT 2.0). Screenshot showing your expression evaluated:
Here I found useful one more interactive xpath tester.
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What is the use of relativepagescore meta tag and how does it effect SEO?
<meta name="relativepagescore" content="555">
After extensive research I found the source of the tag, his associated to OpenSearch xml file.
This meta tag points to the internal rating of the page.
There is no evidence that the search engines even know\read relativepagescore meta tag, and therefore there is no affect on the relevance of Google search engines results.
But if your site has an internal search engine i will recommend you to consider the use of OpenSearch project.
Which influence directly on your site traffic, build a loyal users, and influence you website SEO work
Explanation of the installation and use of the file you will find here
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I often work with 3D CAD models, which I receive as SolidWorks or PDF files. I need to turn them into black & white line art, like you'd find in a patent application. (In fact, exactly like what you find in a patent application!)
Acrobat-9 allows me to rotate & scale the models, so I can print them with reasonable resolution, but the rest of my drawing toolchain deals with SVG files, while all I can get out of Acrobat is bitmaps. (I also make models from scratch in Blender, and make line drawings using rendering procedures there, but that also produces bitmaps.)
Is there some way to get from a 3D view to an SVG picture (preferably with relatively simple Bezier curves and scaled line weights)?
(As an example, imagine that I have a 3D model of a cube. I position it as desired, then (somehow) convert it to an SVG image with several straight lines where the edges are, with the line weights scaled according to the distance between the edge and the camera/viewer.)
if you have rendered views as PDF files, you can use inkscape's command-line tool to convert PDF to SVG, as discussed on this post.
case there are no rendered PDF's available, you can export PDF snapshots from within CAD prior to converting them.
you can also try other converters made for this purpose, like verydoc or PDF-tron.
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Now I come up with some problems about RDF. I have to check a RDF file whether it is valid. Below is an example of my RDF file:
<skos:Concept rdf:about='loc:107'>
<skos:prefLabel>Neptune</skos:prefLabel>
<skos:altLabel>Shoemaker-Levy 9 Comet</skos:altLabel>
<skos:broader rdf:resource='loc:3'/>
<skos:narrower rdf:resource='loc:110'/>
<skos:narrower rdf:resource='loc:111'/>
<skos:narrower rdf:resource='loc:112'/>
<skos:narrower rdf:resource='loc:108'/>
<skos:narrower rdf:resource='loc:115'/>
<skos:narrower rdf:resource='loc:113'/>
<skos:narrower rdf:resource='loc:109'/>
<skos:narrower rdf:resource='loc:114'/>
</skos:Concept>
It is skos actually. I use jena to parse it,and jena can check the errors of RDF properties, such as replacing the rdf:about with rdf:abou ,jena will throw an exception. But if I replace skos:broader with skos:broad ,jena will say ok.
What can I do if I want to ensure that all the entities and properties in this RDF file are valid? Or to say,all the skos:broader are spelt correctly, not in wrong spell like skos:broad
,and all skos entities or properties should be embedded in <skos:Concept></skos:Concept>.
In a word,is there anything can do the work that xml schema do for RDF?
You can use Jena's Eyeball tool for this.
Try SPIN constraints:
http://spinrdf.org/spin.html#spin-constraints
There is also a data quality library with some common ones:
http://semwebquality.org/ontologies/dq-constraints
Some SKOS validation tools that we use:
Skosify: validate and improve SKOS vocabularies http://demo.seco.tkk.fi/skosify/skosify
with the code at https://github.com/NatLibFi/Skosify
SKOS testing tool: Assess the quality of SKOS vocabularies http://labs.sparna.fr/skos-testing-tool/ with the code at https://github.com/sparna-git/skos-testing-tool
IDLab Turtle Validator: A simple validator http://ttl.summerofcode.be/
with the code at https://github.com/IDLabResearch/TurtleValidator
Also see:
W3C RDF Validation Service https://www.w3.org/RDF/Validator/
Various SKOS Validation tools https://www.w3.org/2001/sw/wiki/SKOS/Validation