First commit

lib/hook.io-dbpedia.coffee

@@ -0,0 +1,41 @@
+# Imports
+sparql = require 'sparql'
+Hook = require('hook.io').Hook
+
+examplequery = "
+        SELECT DISTINCT ?label ?abstract ?population
+        WHERE { ?place rdf:type dbpedia-owl:PopulatedPlace.
+                ?place foaf:name ?label.
+                ?place dbpprop:population ?population.
+                OPTIONAL{
+                    ?place dbpedia-owl:abstract ?abstract.
+                    FILTER langMatches( lang(?abstract), 'en')
+                }
+        } LIMIT 10"
+        
+
+class DBPediaHook extends Hook
+    constructor: (options) ->
+        self = this
+        Hook.call(self, options)
+        @client = new sparql.Client 'http://dbpedia.org/sparql'
+        #Set some initial namespaces
+        @client.prefix_map.dbprop = 'http://dbpedia.org/property/'
+        @client.prefix_map.dbpedia = 'http://dbpedia.org/resource/'
+        @client.prefix_map.rdf = 'http://www.w3.org/1999/02/22-rdf-syntax-ns#'
+        @client.prefix_map.dbpedia-owl = 'http://dbpedia.org/ontology/'
+
+        self.on 'hook::ready', ->
+            self.on '*::query', (data,fn) ->
+                @queryDBPedia data , (res) ->
+                    console.log res
+                    fn res
+        console.log "Created"
+
+
+    queryDBPedia: (query, cb) ->
+        console.log ">>Going to query"
+        @client.rows  query, (err, res) ->
+                cb res
+
+exports.DBPediaHook = DBPediaHook