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Last active August 29, 2015 14:02
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LOD CNR MI TUTORIAL - Example 1
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README.md
Raw
index.html
<!DOCTYPE html>
<html>
<head>
<meta name="description" content="Seminario CNR MI - Example 1" />
<meta charset="utf-8">
<script type="text/javascript" src="https://ajax.googleapis.com/ajax/libs/jquery/2.0.0/jquery.min.js"></script>
<script type="text/javascript" src="index.js"></script>
<title>Seminario Linked Data</title>
</head>
<body>
<h1>EXAMPLE N° 1</h1>
<div><b>SPARQL QUERY:</b></div>
<div id="query" contentEditable="true">
<pre>
<code>
PREFIX : &#60;http://dbpedia.org/resource/&#62;
PREFIX dbp: &#60;http://dbpedia.org/ontology/&#62;
SELECT ?x
WHERE {
:Pisa dbp:country ?x.
}
</code>
</pre>
</div>
<div>
<input type="button" onclick="retrieveData()" value="Execute Query">
</div>
<br>
<div><b>RESULTS:</b></div><br>
<div id="output_div">
</div>
</body>
</html>
Raw
index.js
function retrieveData() {
var url = 'http://dbpedia.org/sparql?default-graph-uri=http%3A%2F%2Fdbpedia.org&query=' + encodeURIComponent($('#query').text()) + '&output=json';
$.ajax({
url: url,
dataType: "json",
success: function (data) {
handle_json(data);
},
error: function(e) {
console.log("error");
}
});
}
function handle_json(json) {
$('#output_div').text(json['results']['bindings'][0]['x']['value']);
}
Raw
SPARQL
PREFIX : <http://dbpedia.org/resource/>
PREFIX dbp: <http://dbpedia.org/ontology/>
SELECT ?x
WHERE {
:Pisa dbp:country ?x.
}
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