Application to identify instances of experiencing a bad dream
Development approach: Machine-learning.
Classification of past or present symptom: Both.
Classes produced: Positive
The output includes-
Positive annotations include:
“ZZZZZ had a bad dream last night”,
“she frequently has bad dreams”,
“ZZZZZ has suffered from bad dreams in the past”,
“ZZZZZ had a bad dream that she was underwater”,
“ he’s been having fewer bad dreams”
Exclude Negative mentions:
“she denied any bad dreams”,
“does not suffer from bad dreams”,
“no other PTSD symptoms such as bad dreams”,
“he said the experience was like a bad dream”,
“ZZZZZ compared his time in hospital to a bad dream”
Exclude Unknown mentions:
“she said it might have been a bad dream”,
“he woke up in a start, as if waking from a bad dream”,
“ZZZZZ couldn’t remember whether the conversation was just a bad dream”,
“doesn’t want to have bad dreams” Definitions: Search term(s): bad dream*
