SIMC Queries
To answer query q in SIMC
- first generate a query descriptor desc(q)
- then use the query descriptor to search the signature file
desc(q) is formed by OR of codewords for known attributes.
E.g. consider the query (Perryridge, ?, ?, ?) .
Ai |
cw(Ai) |
Perryridge |
010000000001 |
? |
000000000000 |
? |
000000000000 |
? |
000000000000 |
desc(q) |
010000000001 |
|