| (1) A← |
| (2) if LeafFlag then |
| (3) Put in all neighbors’ identifiers, which fulfill all the following conditions to |
| (4) (i) is within from |
| (5) (ii) has data whose score is not more than threshold |
| (6) (iii) ’s cluster head is not within from |
| (7) if is a cluster head then |
| (8) Put in all cluster members’ identifiers, which fulfill all the following conditions to |
| (9) (i) is within from |
| (10) (ii) has data whose score is not more than threshold |
| (11) (iii) is not parent |
| (12) if A≠ then |
| (13) |
| (14) Send to nodes included in |
| (15) else |
| (16) Reply data whose score is not larger than threshold to parent |
