freebase.js

var Freebase = {
  api: 'https://www.googleapis.com/freebase/v1',
  key: '?key=' + 'your_key_here',

  // Main image (icon) of a topic
  img: function(mid) {
    return this.api + '/image' + mid + this.key;
  },

  // MQL query with callback on success
  mql: function(query, callback) {
    $.get(this.api + '/mqlread',
        { query: JSON.stringify(query) },
        callback,
        'json');
  },
  
  /**
   * filters is an object like {type: '/music/artist'}
   */
  set_suggest_filter: function(suggest_elem, filters) {
    var suggest = suggest_elem.data('suggest'),
      default_filters = {
        type: '',
        domain: ''};
    filters = $.extend(default_filters, filters);

    $.each(filters, function(key, value) {
      if (!value) {
        delete(suggest.options.ac_param[key]);
      } else {
        suggest.options.ac_param[key] = value;
      }
    });
  }
}