Semantic MediaWiki/Introduction

Overview
Currently this is only a collection of links with question that were recorded while tomaschwutz was looking at this topic in 2012. See also the Semantic MediaWiki category.

Big pictures

 * What is it all about?
 * What is it good for?
 * Why is agreeing on common editing syntax advantages?
 * Introduction


 * What are the benefits compared to using categories?


 * Skim through the theorethical background.
 * Ontologies and the Semantic Web

Making use of the semantic data

 * What is the factbox?
 * What is a semantic browser
 * Browsing interfaces
 * example site


 * What is a semantic query?
 * example
 * Task: Find all people from Germany and their cities and states
 * property names can be found on e.g. on a user factbox
 * Semantic search

Providing the semantic data

 * How do I edit the semantic data?
 * How to I specify the type of a property?
 * Properties and types
 * unfortunately does not work on wikiversity: Berlin Germany
 * edit the notes of user Carl Berlin on referata, and revert your changes using the history.


 * How can you automaticall convert units?
 * e.g. Property:Area
 * Custom units


 * What are Semantic templates good for?
 * e.g. California
 * background: m:Help:A quick guide to templates


 * See how easy and powerful Service links can be used.

Semantic Forms

 * See how you can use Semantic Forms to
 * design Categories, Properties, Templates, and Forms


 * How can you use #arraymap to define multiple properties?
 * Why to use a space (&amp;#32;) when defining categories?
 * Why to use a space (&amp;#32;) when defining categories?


 * What is the syntax of form fields?
 * How do you use autocompleting?
 * How can you use a Category for autocompletion?
 * |values from category=Area of focus
 * How can you allow multiple inputs (seperated by commata)
 * |list
 * How can force the user to input values?
 * |mandatory
 * How can you have multiple instance of one template?
 * How can the user select from a category tree?
 * mw:Extension:CategoryTree must be installed.
 * mw:Extension:CategoryTree must be installed.


 * How you can use Maps?

More on semantic queries

 * Here you look closer on Semantic search


 * Selecting pages
 * Why is it important to specify a < directly after the double collon?
 * How do you compare text alphabetically?
 * Howe do you use the + wildcard symbol?
 * Pages of which namespace are selected by Help:+ ?
 * Does born in::!Boston query return results of pages that do not have the bon in property?
 * How do you use OR and ||?
 * What does |France||User:John Doe mean?
 * How do you use and for subqueries?
 * What does located in.member of::European Union mean?


 * Displaying information
 * ? does not restict results compared to query descriptions
 * use the empty format # do suppress all formatting and linking in subqueries
 * What are #cm, #-n, #-u and #ISO used for?
 * What are [output formats] fromat=count, csv, template, ul used for?


 * Inline queries
 * explain the meaning of the following


 * use to show a single value
 * What is the meaning of the following parameters?
 * limit, sort, order, align, default,
 * |limit=0 |searchLabel=Click to browse


 * How do you use Concepts
 * to define overview pages
 * to define dynamic categroies that can be used in further queries


 * How can you Query linked properties?

Inferencing

 * deducing new knowledge from entered information
 * Subcategories and subproperties
 * Why is it important to describe the exact meaning of a category or a property very clearly?
 * :: returns subCategories, : not

Practicing

 * scratchpad.referata
 * server often not reachable
 * twutz/reh