Typed cell value.

A column: one header paired with an ordered list of cells (one per row).

Typed column header. Carries the column role and, for annotation columns, the ontology term identifying what is being described.

Discriminates the kind of entity referenced by an Input or Output column.

A live tabular view of a group of LabProcess nodes that share the same name. Wraps the underlying processes directly — reads decompose on the fly, writes compose back into the process graph.

Auxiliary functions for composing and decomposing Table ↔ process graph.

Ordered, named collection of Table objects backed by a Dataset. Groups processes by name: each unique process name in the dataset becomes one Table.