Recap of Patterning Discussion

All,

We had a good focused call today to talk through the open patterning issues.  Here is the consensus from that call.

Issues that should be solved for 2.1 but need an owner (NewContext / MITRE / DHS / ?????)

51: STIX Patterning language needs a function to measure the length of a property

52: STIX Patterning language needs a null constant or is_null() function

59: STIX Patterning needs to support basic array operations

60: STIX Patterning needs to support basic dictionary operations

146: REPEATS is too exact

Assigned
 to Jason

58: STIX Patterning needs to support basic mathematical operations

61: STIX Patterning needs to support basic string operations

62: STIX Patterning needs to support basic type operations

66: STIX Patterning language needs intra-list matching capability

85: Part 5 clarification on NOT operator

Assigned
 to Allan

86: Handling Comparison Expressions that Cannot Be Evaluated

Assigned to Drew

70: Restrict duplicate qualifiers per _expression_

Moved to STIX 2.2

53: STIX Patterning language needs to support specifying case-sensitivity for property matching

63: STIX Patterning needs to support basic statistical operations

73: STIX Patterning needs a capability for setting and manipulating variables

74: STIX Patterning needs a way of identifying context

75: STIX Patterning needs a way of describing actions

Thanks 

Bret