B4_Queries.txt

1. Find all Authors.

PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
PREFIX lab: <http://SDM_LAB3.org/>

SELECT ?authorName
WHERE
{
    ?author rdf:type lab:Author .
    ?author lab:authorName ?authorName .
}


2. Find all properties whose domain is Author.

PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
PREFIX lab: <http://SDM_LAB3.org/>
PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>

SELECT ?propertyName
WHERE
{
    ?propertyName rdfs:domain lab:Author .
}


3. Find all properties whose domain is either Conference or Journal.

PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
PREFIX lab: <http://SDM_LAB3.org/>
PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>

SELECT ?propertyName
WHERE 
{
    {?propertyName rdfs:domain lab:Conference}
    UNION
    {?propertyName rdfs:domain lab:Journal}
}


4. Find all the papers written by a given author that where published in database conferences.

PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
PREFIX lab: <http://SDM_LAB3.org/>
PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>

SELECT (?pTitle as ?paper_title) (?procName as ?proceeding_name)
WHERE
{
    ?paper      rdf:type        lab:Paper ;
                lab:submitted   ?submittedPaper;
                lab:paperTitle  ?pTitle .
    
    ?author     rdf:type        lab:Author ;
                lab:authorName   "C. Groom" ;
                lab:writes      ?paper .

    ?submittedPaper rdf:type    lab:SubmittedPaper ;
                    lab:isAs    ?finalPaper .
  
    ?finalPaper lab:isPublishedInConference    ?proceedings .
    
    ?proceedings  lab:proceedingName ?procName ;
                  lab:proceedingRelatedTo   ?subject.
    
    ?subject rdf:type lab:SubjectDomain .
    
    ?subject lab:keywords "Database" .
}