Top Items Timeline

Horizontal timeline showing the active year-span of the top entities.

Top Items Timeline

The Top Items Timeline widget.

Overview

Draws, for the most frequent entities (keywords, authors, sources…), a horizontal bar spanning the years in which each was active, sized/coloured by frequency. Good for seeing the rise and fall of terms or the active periods of authors. Clicking an item outputs its documents.

Inputs

  • Data (Table) — bibliographic data with Year.

Outputs

  • Selected Documents (Table) — documents of the clicked item.

  • Timeline Data (Table) — per-item span and counts.

Controls

  • Item Type — entity to track (keywords, authors, sources…).

  • Top N — number of items to show.

  • Min Documents — minimum frequency to include an item.

  • Color By + Color Map — colour encoding, default viridis.

  • Title / X label / Y label, Show grid — labels and grid.

Actions: Generate Plot.