{
 "flow": {
  "oa_retrieved": 91374,
  "s2_retrieved": 161862,
  "oa_eligible_journal": 61982,
  "s2_eligible_journal": 48341,
  "overlap": 43810,
  "holo_retrieved": 46426,
  "holo_candidates": 5192,
  "holo_added": 3792,
  "combined": 70305,
  "no_abstract": 7813,
  "screened": 62492,
  "excluded": 10141,
  "included": 52351,
  "boost_records": 1774,
  "boost_included": 702,
  "exclusion_reasons": {
   "not_central": 5112,
   "metaphor": 453,
   "physics": 1624,
   "other_tech": 1830,
   "type": 979,
   "other": 143
  }
 },
 "categories": {
  "not_central": "Immersive technology is mentioned or used but is not the central focus (background, one of many technologies, a tool or stimulus in a study about something else, future work)",
  "metaphor": "Non-technical or metaphorical use of the terms (e.g., language 'immersion', 'virtual' meaning online/remote)",
  "physics": "Holography, optics, display materials or physics without an immersive display/user context",
  "other_tech": "The article is about a different technology (e.g., computer vision, edge computing, 3D printing, video conferencing, games as social phenomenon)",
  "type": "Not a research article (editorial, opinion, interview, commentary, erratum, website/product review)",
  "other": "Other / unclear — use only if none of the above fits"
 }
}