You cannot select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.

42 lines
1.4 KiB
CoffeeScript

# 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