I think these might be encoded names. Not sure where to notify you of such things, so here they are.
Code:
alternateNameId|geonameid|isolanguage|alternate name
1956740|759320|be|%D0%A1%D1%8F%D0%BC%D1%8F%D1%82%D1%8B%D1%87%D1%8B
1988001|1527005|ky|%D0%AB%D1%81%D1%8B%D0%BA-%D0%9A%D3%A9%D0%BB
1641022|2077456|yi|%D7%90%D7%B1%D7%A1%D7%98%D7%A8%D7%90%D6%B7%D7%9C%D7%99%D7%A2
1632995|2911298|he|%D7%94%D7%9E%D7%91%D7%95%D7%A8%D7%92
1917985|1138957|fa|%D9%88%D9%84%D8%A7%DB%8C%D8%AA_%DA%A9%D8%A7%D8%A8%D9%84
Also, what is the significance of the (( )) syntax?