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