I'd like to see numeric/quantitative BEL annotations specifically supported as numbers. Use cases would include filtering knowledge (e.g., edges with 'cohort size' > 20, 'p-value' < 0.01) and potentially weighting edges based on significance or effect size.

In BEL Script 1.0, namespaces and annotations could be defined as a url (pointing to a belns or belanno file), a list of values, or a pattern/regular expression (see https://wiki.openbel.org/display/BLD/Control+Records). To some extent, this representation need is covered by patterns, but the original specification does not specifically cover handing of numeric annotations as numbers.

I am also interested in specifying time annotations, but am not sure if they belong in a separate BEP since units (e.g., minutes, hours, days, years) also need to be considered.