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lod/01_SPARQL_Introduction.ipynb
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@@ -7,7 +7,7 @@
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@@ -19,10 +19,10 @@
"<header style=\"width:100%;position:relative\">\n",
" <div style=\"width:80%;float:right;\">\n",
" <h1>Course Notes for Learning Intelligent Systems</h1>\n",
" <h3>Department of Telematic Engineering Systems</h3>\n",
" <h5>Universidad Politécnica de Madrid</h5>\n",
" <h2>Department of Telematic Engineering Systems</h2>\n",
" <h3>Universidad Politécnica de Madrid</h3>\n",
" </div>\n",
" <img style=\"width:15%;\" src=\"../logo.jpg\" alt=\"UPM\" />\n",
" <img style=\"width:15%;\" src=\"https://github.com/gsi-upm/sitc/blob/9844820e6653b0e169113a06538f8e54554c4fbc/images/EscUpmPolit_p.gif?raw=true\" alt=\"UPM\" />\n",
"</header>"
]
},
@@ -58,7 +58,7 @@
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@@ -71,10 +71,10 @@
"\n",
"* This notebook\n",
"* External SPARQL editors (optional)\n",
" * YASGUI-GSI http://yasgui.gsi.upm.es\n",
" * DBpedia virtuoso http://dbpedia.org/sparql\n",
" * *YASGUI* https://yasgui.org/\n",
" * *DBpedia Virtuoso* http://dbpedia.org/sparql\n",
"\n",
"Using the YASGUI-GSI editor has several advantages over other options.\n",
"Using the YASGUI editor has several advantages over other options.\n",
"It features:\n",
"\n",
"* Selection of data source, either by specifying the URL or by selecting from a dropdown menu\n",
@@ -96,7 +96,7 @@
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@@ -107,13 +107,15 @@
"source": [
"## Instructions\n",
"\n",
"We will be using a semantic server, available at: http://fuseki.gsi.upm.es/sitc.\n",
"We will use an available semantic server. There are two possible settings:\n",
"* A local server available at [http://fuseki.gsi.upm.es/sitc]( http://fuseki.gsi.upm.es/sitc/)\n",
"* Install the SPARQL server yourself and run it locally. To do this, follow the instructions in the notebook [how to install a SPARQL Server](01_1_SPARQL_Server.ipynb). In this case, your server is available at [http://localhost:3030](http://localhost:3030).\n",
"\n",
"This server contains a dataset about [Beatles songs](http://www.snee.com/bobdc.blog/2017/11/sparql-queries-of-beatles-reco.html), which we will query with SPARQL.\n",
"\n",
"We will provide you some example code to get you started, the *question* you will have to answer using SPARQL, a template for the answer.\n",
"We will provide you with some example code to get you started, along with the *question* you will have to answer using SPARQL and a template for the answer.\n",
"\n",
"After every query, you will find some python code to test the results of the query.\n",
"After every query, you will find some Python code to test the results of the query.\n",
"**Make sure you've run the tests before moving to the next exercise**.\n",
"If the test gives you an error, you've probably done something wrong.\n",
"You do not need to understand or modify the test code."
@@ -126,7 +128,7 @@
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@@ -138,7 +140,7 @@
"For convenience, the examples in the notebook are executable (using the `%%sparql` magic command), and they are accompanied by some code to test the results.\n",
"If the tests pass, you probably got the answer right.\n",
"\n",
"**Run this line to enable the `%%sparql` magic command.**"
"### Run this line to enable the `%%sparql` magic command.**"
]
},
{
@@ -200,7 +202,7 @@
"editable": false,
"nbgrader": {
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@@ -216,10 +218,23 @@
"In addition to running queries from your browser, they provide useful features such as syntax highlighting and autocompletion.\n",
"Some examples are:\n",
"\n",
"* DBpedia's virtuoso query editor https://dbpedia.org/sparql\n",
"* A javascript based client hosted at GSI: http://yasgui.gsi.upm.es/\n",
"* DBpedia's Virtuoso query editor https://dbpedia.org/sparql\n",
"* A JavaScript-based client: https://yasgui.org/\n",
"\n",
"[^1]: http://www.snee.com/bobdc.blog/2017/11/sparql-queries-of-beatles-reco.html"
"[^1]: http://www.snee.com/bobdc.blog/2017/11/sparql-queries-of-beatles-reco.html\n",
"\n",
"### Set your SPARQL server"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {},
"outputs": [],
"source": [
"## Set your Fuseki server URL\n",
"\n",
"fuseki = 'http://localhost:3030/beatles/sparql'"
]
},
{
@@ -250,7 +265,7 @@
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@@ -259,7 +274,7 @@
}
},
"source": [
"#### First select - Exploring the dataset\n",
"### First select - Exploring the dataset\n",
"\n"
]
},
@@ -324,7 +339,7 @@
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@@ -334,7 +349,7 @@
},
"outputs": [],
"source": [
"%%sparql http://fuseki.gsi.upm.es/sitc/\n",
"%%sparql $fuseki\n",
"\n",
"SELECT ?entity ?type\n",
"WHERE {\n",
@@ -388,7 +403,7 @@
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@@ -398,7 +413,7 @@
},
"outputs": [],
"source": [
"%%sparql http://fuseki.gsi.upm.es/sitc/\n",
"%%sparql $fuseki\n",
"\n",
"SELECT ?entity ?prop\n",
"WHERE {\n",
@@ -454,7 +469,7 @@
"metadata": {},
"outputs": [],
"source": [
"%%sparql http://fuseki.gsi.upm.es/sitc/\n",
"%%sparql $fuseki\n",
"\n",
"SELECT ?type\n",
"WHERE {\n",
@@ -479,7 +494,7 @@
"metadata": {},
"outputs": [],
"source": [
"%%sparql http://fuseki.gsi.upm.es/sitc/\n",
"%%sparql $fuseki\n",
"\n",
"SELECT DISTINCT ?type\n",
"WHERE {\n",
@@ -522,7 +537,7 @@
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@@ -532,7 +547,7 @@
},
"outputs": [],
"source": [
"%%sparql http://fuseki.gsi.upm.es/sitc/\n",
"%%sparql $fuseki\n",
"\n",
"SELECT DISTINCT ?property\n",
"WHERE {\n",
@@ -585,7 +600,7 @@
"metadata": {},
"outputs": [],
"source": [
"%%sparql http://fuseki.gsi.upm.es/sitc/\n",
"%%sparql $fuseki\n",
"\n",
"PREFIX s: <http://learningsparql.com/ns/schema/>\n",
"PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>\n",
@@ -655,7 +670,7 @@
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@@ -665,7 +680,7 @@
},
"outputs": [],
"source": [
"%%sparql http://fuseki.gsi.upm.es/sitc/\n",
"%%sparql $fuseki\n",
"\n",
"PREFIX s: <http://learningsparql.com/ns/schema/>\n",
"PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>\n",
@@ -725,7 +740,7 @@
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@@ -735,7 +750,7 @@
},
"outputs": [],
"source": [
"%%sparql http://fuseki.gsi.upm.es/sitc/\n",
"%%sparql $fuseki\n",
"\n",
"PREFIX s: <http://learningsparql.com/ns/schema/>\n",
"PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>\n",
@@ -812,7 +827,7 @@
"deletable": false,
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@@ -822,7 +837,7 @@
},
"outputs": [],
"source": [
"%%sparql http://fuseki.gsi.upm.es/sitc/\n",
"%%sparql $fuseki\n",
"\n",
"PREFIX s: <http://learningsparql.com/ns/schema/>\n",
"PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>\n",
@@ -891,7 +906,7 @@
"deletable": false,
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@@ -901,7 +916,7 @@
},
"outputs": [],
"source": [
"%%sparql http://fuseki.gsi.upm.es/sitc/\n",
"%%sparql $fuseki\n",
"\n",
"PREFIX s: <http://learningsparql.com/ns/schema/>\n",
"PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>\n",
@@ -971,7 +986,7 @@
"deletable": false,
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@@ -981,7 +996,7 @@
},
"outputs": [],
"source": [
"%%sparql http://fuseki.gsi.upm.es/sitc/\n",
"%%sparql $fuseki\n",
"\n",
"PREFIX s: <http://learningsparql.com/ns/schema/>\n",
"PREFIX m: <http://learningsparql.com/ns/musician/>\n",
@@ -1039,7 +1054,7 @@
"\n",
"Once results are grouped, they can be aggregated using any aggregation function, such as `COUNT`.\n",
"\n",
"Using `GROUP BY` and `COUNT`, get the count of songs in which Ringo Starr has played each of the instruments:"
"Using `GROUP BY` and `COUNT`, get the count of songs that use each instrument:"
]
},
{
@@ -1049,7 +1064,7 @@
"deletable": false,
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@@ -1059,7 +1074,7 @@
},
"outputs": [],
"source": [
"%%sparql http://fuseki.gsi.upm.es/sitc/\n",
"%%sparql $fuseki\n",
"\n",
"PREFIX s: <http://learningsparql.com/ns/schema/>\n",
"PREFIX m: <http://learningsparql.com/ns/musician/>\n",
@@ -1123,7 +1138,7 @@
"metadata": {},
"outputs": [],
"source": [
"%%sparql http://fuseki.gsi.upm.es/sitc/\n",
"%%sparql $fuseki\n",
"\n",
"PREFIX s: <http://learningsparql.com/ns/schema/>\n",
"PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>\n",
@@ -1156,7 +1171,7 @@
"deletable": false,
"nbgrader": {
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"grade": false,
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@@ -1166,7 +1181,7 @@
},
"outputs": [],
"source": [
"%%sparql http://fuseki.gsi.upm.es/sitc/\n",
"%%sparql $fuseki\n",
"\n",
"PREFIX s: <http://learningsparql.com/ns/schema/>\n",
"PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>\n",
@@ -1228,7 +1243,7 @@
"metadata": {},
"outputs": [],
"source": [
"%%sparql http://fuseki.gsi.upm.es/sitc/\n",
"%%sparql $fuseki\n",
"\n",
"PREFIX s: <http://learningsparql.com/ns/schema/>\n",
"PREFIX i: <http://learningsparql.com/ns/instrument/>\n",
@@ -1263,7 +1278,7 @@
"metadata": {},
"outputs": [],
"source": [
"%%sparql http://fuseki.gsi.upm.es/sitc/\n",
"%%sparql $fuseki\n",
"\n",
"PREFIX s: <http://learningsparql.com/ns/schema/>\n",
"PREFIX i: <http://learningsparql.com/ns/instrument/>\n",
@@ -1297,7 +1312,7 @@
"deletable": false,
"nbgrader": {
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"checksum": "513916421ec8451b8a10a6923fde775b",
"grade": false,
"grade_id": "cell-dcd68c45c1608a28",
"locked": false,
@@ -1307,7 +1322,7 @@
},
"outputs": [],
"source": [
"%%sparql http://fuseki.gsi.upm.es/sitc/\n",
"%%sparql $fuseki\n",
"\n",
"PREFIX s: <http://learningsparql.com/ns/schema/>\n",
"PREFIX i: <http://learningsparql.com/ns/instrument/>\n",
@@ -1381,7 +1396,7 @@
"deletable": false,
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@@ -1391,7 +1406,7 @@
},
"outputs": [],
"source": [
"%%sparql http://fuseki.gsi.upm.es/sitc/\n",
"%%sparql $fuseki\n",
"\n",
"PREFIX s: <http://learningsparql.com/ns/schema/>\n",
"PREFIX i: <http://learningsparql.com/ns/instrument/>\n",
@@ -1456,7 +1471,7 @@
"deletable": false,
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"grade": false,
"grade_id": "cell-d750b6d64c6aa0a7",
"locked": false,
@@ -1466,7 +1481,7 @@
},
"outputs": [],
"source": [
"%%sparql http://fuseki.gsi.upm.es/sitc/\n",
"%%sparql $fuseki\n",
"\n",
"PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#> \n",
"PREFIX s: <http://learningsparql.com/ns/schema/>\n",
@@ -1521,7 +1536,7 @@
"deletable": false,
"nbgrader": {
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"checksum": "fade6ab714376e0eabfa595dd6bd6a8b",
"checksum": "b3a570ae42656d907a1ce60f199fdbec",
"grade": false,
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"locked": false,
@@ -1531,7 +1546,7 @@
},
"outputs": [],
"source": [
"%%sparql http://fuseki.gsi.upm.es/sitc/\n",
"%%sparql $fuseki\n",
"\n",
"PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#> \n",
"PREFIX s: <http://learningsparql.com/ns/schema/>\n",
@@ -1577,7 +1592,7 @@
"cell_type": "markdown",
"metadata": {},
"source": [
"### Which songs had Ringo in drums OR Lennon in lead vocals? (UNION)"
"### Which songs had Ringo in dums OR Lennon in lead vocals? (UNION)"
]
},
{
@@ -1612,7 +1627,7 @@
"deletable": false,
"nbgrader": {
"cell_type": "code",
"checksum": "09262d81449c498c37e4b9d9b1dcdfed",
"checksum": "4c1d0eaf45f7e69233bb998f5dfb9a48",
"grade": false,
"grade_id": "cell-d3a742bd87d9c793",
"locked": false,
@@ -1622,7 +1637,7 @@
},
"outputs": [],
"source": [
"%%sparql http://fuseki.gsi.upm.es/sitc/\n",
"%%sparql $fuseki\n",
"\n",
"PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#> \n",
"PREFIX s: <http://learningsparql.com/ns/schema/>\n",
@@ -1643,7 +1658,7 @@
"editable": false,
"nbgrader": {
"cell_type": "code",
"checksum": "11061e79ec06ccb3a9c496319a528366",
"checksum": "d583b30a1e00960df3a4411b6854c8c8",
"grade": true,
"grade_id": "cell-409402df0e801d09",
"locked": true,
@@ -1654,7 +1669,7 @@
},
"outputs": [],
"source": [
"assert len(solution()['tuples']) == 209"
"assert len(solution()['tuples']) == 246"
]
},
{
@@ -1695,7 +1710,7 @@
"deletable": false,
"nbgrader": {
"cell_type": "code",
"checksum": "9ddd2d1f50f841b889bfd29b175d06da",
"checksum": "161fd1c6ed06206d4661e4e6c3e255c7",
"grade": false,
"grade_id": "cell-9d1ec854eb530235",
"locked": false,
@@ -1705,7 +1720,7 @@
},
"outputs": [],
"source": [
"%%sparql http://fuseki.gsi.upm.es/sitc/\n",
"%%sparql $fuseki\n",
"\n",
"PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#> \n",
"\n",
@@ -1789,7 +1804,7 @@
"deletable": false,
"nbgrader": {
"cell_type": "code",
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"checksum": "16d79b02f510bbfffcb2cc36af159081",
"grade": false,
"grade_id": "cell-7ea1f5154cdd8324",
"locked": false,
@@ -1799,7 +1814,7 @@
},
"outputs": [],
"source": [
"%%sparql http://fuseki.gsi.upm.es/sitc/\n",
"%%sparql $fuseki\n",
"PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#> \n",
"PREFIX s: <http://learningsparql.com/ns/schema/>\n",
"PREFIX i: <http://learningsparql.com/ns/instrument/>\n",
@@ -1836,7 +1851,7 @@
"deletable": false,
"nbgrader": {
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"grade": false,
"grade_id": "cell-b6bee887a1b1fc60",
"locked": false,
@@ -1846,7 +1861,7 @@
},
"outputs": [],
"source": [
"%%sparql http://fuseki.gsi.upm.es/sitc/\n",
"%%sparql $fuseki\n",
"PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#> \n",
"PREFIX s: <http://learningsparql.com/ns/schema/>\n",
"PREFIX i: <http://learningsparql.com/ns/instrument/>\n",