def is_field(token):
    """Checks if the token is a valid ogc type field
    """

    return token in ["name", "description", "encodingType", "location", "properties", "metadata",
                     "definition", "phenomenonTime", "resultTime", "observedArea", "result", "id", "@iot.id",
                     "resultQuality", "validTime", "time", "parameters", "feature"]