new ViterbiNode(node_name, node_cost, start_pos, length, type, left_id, right_id, surface_form)
ViterbiNode is a node of ViterbiLattice
Parameters:
| Name | Type | Description | 
|---|---|---|
| node_name | number | Word ID | 
| node_cost | number | Word cost to generate | 
| start_pos | number | Start position from 1 | 
| length | number | Word length | 
| type | string | Node type (KNOWN, UNKNOWN, BOS, EOS, ...) | 
| left_id | number | Left context ID | 
| right_id | number | Right context ID | 
| surface_form | string | Surface form of this word |