orchestra is Member Of conductor Name conducts Orchestra

orchestra is. Member. Of conductor. Name conducts Orchestra conductor literal music instrument plays musician. Name musician. Nationality percussion piano contrabassoon violin Γράφος RDFS (1/2) orchestra. Name musician conductor. Nationality literal orchestra. Participates. In viola strings cello winds timpani various percussion harp brass. Winds wood. Winds fagoto flute oboe clarinet tumba trombone horn trumpet

event. Title event. Date event. Time event. Place artist. Participates In. Composition is. Played composition Composition. Name has. Composed literal composer. Name classic artist. Participates. In artist group. Participates. In singer chorous. Participates. In composer proclassic chorus conductor modern solist. Plays narrator child adult group barok artist. Name literal Γράφος RDFS (2/2) group. Name trio chorous. Name quarteto literal

schema changes regarding uniqueness of properties Οι παρακάτω properties ορίσαμε να είναι μοναδικές: 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. conductor. Name musician. Name orchestra. Name event. Title event. Date composer. Name composition. Name group. Name chorous. Name artist. Name

schema changes regarding inverse relation of properties Ορίσαμε τις παρακάτω inverse relations: plays musician is. Member. Of musical instr. musician is. PLayed orchestra has. Member conducts orchestra. Conductor orchestra is. Conducted. By

schema changes regarding inverse relation of properties osition artist ppears artist. Participates. In. Comp has. Composed composition composer in. Composition. Usually. A has. Been. Composed solistplays solist Solist composition musical instrument. Played. By

schema changes regarding Disjoints & Unions Ορίσαμε τις παρακάτω disjoint. Union σχέσεις: q § Artist είναι disjoint. Union των: Singer – Solist - Conductor – Narrator § § Group είναι disjoint. Union των: trio – quarteto Composer είναι disjoint. Union των: classic – proclassic – modern – barok Chorus είναι disjoint. Union των: child – adult Music instrument είναι disjoint. Union των: piano – strings – percussion - winds