| Line 9: | Line 9: | ||
| 2 || Who were the members of a band in a point in time? || 1° (SPARQL Query) ||  SELECT ?person ?band WHERE { ?person :playsRoleInBand ?band . } || - || - || - ||  | | 2 || Who were the members of a band in a point in time? || 1° (SPARQL Query) ||  SELECT ?person ?band WHERE { ?person :playsRoleInBand ?band . } || - || - || - ||  | ||
|-  | |-  | ||
| − | | 3 || || || || || ||  | + | | 3 || Who were the members of a band in a point in time? || 1° (SPARQL Query) ||  SELECT ?person ?band ?membershipStartDate ?membershipEndDate WHERE { ?person :playsRoleInBand ?band .  | 
| + | 	?time :member ?person .  | ||
| + | 	?time :band ?band .  | ||
| + | 	?time :membershipStartDate ?sDate .  | ||
| + | 	?time :membershipEndDate ?eDate .  | ||
| + | 	} or also just SELECT ?person ?band ?membershipStartDate ?membershipEndDate   WHERE { ?time :member ?person .  | ||
| + | 	?time :band ?band .  | ||
| + | 	?time :membershipStartDate ?membershipStartDate .  | ||
| + | 	?time :membershipEndDate ?membershipEndDate .  | ||
| + | 	} || - || - || - ||  | ||
|-  | |-  | ||
| 4 || || || || || ||  | | 4 || || || || || ||  | ||
|-  | |-  | ||
|}  | |}  | ||
| Number | Requirement tested | Method used | Test applied | Error(s) found | Suggestions/ideas for solution | Additional notes | |
| 0 | only for students exercising with method guidelines | ||||||
| 1 | What instruments does a certain person play? | 1° (SPARQL Query) | SELECT ?person ?instrument WHERE { ?person :playsInstrument ?instrument . } | - | - | - | |
| 2 | Who were the members of a band in a point in time? | 1° (SPARQL Query) | SELECT ?person ?band WHERE { ?person :playsRoleInBand ?band . } | - | - | - | |
| 3 | Who were the members of a band in a point in time? | 1° (SPARQL Query) |   SELECT ?person ?band ?membershipStartDate ?membershipEndDate WHERE { ?person :playsRoleInBand ?band .
 ?time :member ?person . ?time :band ?band . ?time :membershipStartDate ?sDate . ?time :membershipEndDate ?eDate . } or also just SELECT ?person ?band ?membershipStartDate ?membershipEndDate WHERE { ?time :member ?person . ?time :band ?band . ?time :membershipStartDate ?membershipStartDate . ?time :membershipEndDate ?membershipEndDate . } || - || - || - ||  | ||||
| 4 |