def get_triples(client, subject = None, predicate = None, object = None):
    time.sleep(1)
    params = {
        'subject': fmt_triple_value(subject),
        'predicate': fmt_triple_value(predicate),
        'object': fmt_triple_value(object),
        'page': 1,
    }
    headers = {'accept': 'application/ld+json'}
    result = requests.get('https://query.wikidata.org/bigdata/ldf',
                          params = params,
                          headers = headers,
    )

    triples = []
    if result.status_code != 200:
        logging.error('Got %s error message: %s', result.status_code, repr((subject, predicate, object)))
        return []
    for item in result.json()['@graph']:
        if item['@id'].startswith('wd:') and predicate.id in item:
            s = item['@id'][3:]
            triples.append((client.get(s, load = False), predicate, object))

    return triples