| SELECT <List of Attributes> |
| FROM <List of Relations> |
| WHERE <Condition> |
| WIKI_LOCATION <Coordinates OR Location name> |
| WIKI_RADIUS <Specified in meters> |
| WIKI_WINDOW <Window specified by time OR Number of readings> |
| WIKI_UOM <Converts to> |
| WIKI_PROPORTION ON < [Distance], [Time]> |
| WIKI_SAMPLE_STREAM |
| WIKI_CONTINUE_FOR <Time specified in Hours> |