structure for reporting a complex data quality result DQM_ValueStructure finite, unordered collection of related items (objects or values) that may be repeated (ISO 19107:2003) bag unordered collection of related items (objects or values) with no repetition (ISO 19107:2003) set finite, ordered collection of related items (objects or values) that may be repeated (ISO 19107:2003) sequence an arrangement of data in which each item may be identified by means of arguments or keys (ISO/IEC 2382-4:1999) table rectangular array of numbers (ISO/TS 19129:2009) matrix feature that acts as a function to return values from its range for any direct position within its spatial, temporal or spatiotemporal domain (ISO 19123:2005) coverage