№
Category
Family
What it tells us
Weight
01
Acoustic sentiment"Was the room quiet?"
Sentiment
Aggregated guest reports on noise — courtyard, lift, plumbing, neighbours, breakfast crowd.
02
Sleep-quality sentiment"Did you sleep well?"
Sentiment
Bed firmness, pillow choice, linen weight, blackout effectiveness, room temperature stability.
03
Service attentiveness"Were you looked after?"
Sentiment
Front-desk response time, concierge knowledge, staff longevity, language coverage, named-greetings.
04
Dining sentiment"Was it actually any good?"
Sentiment
Breakfast spread, room service speed, restaurant pacing, regional menu integrity, atmosphere.
05
Returning-guest rate"Did they go back?"
Sentiment
The single best predictor we have ever measured. Loyalty rate over a five-year horizon.
06
Tourism-board recordsOfficial visitor data
Records
National and regional tourism statistics — seasonality, occupancy, repeat-visit rates, demographic mix.
07
Accessibility databasesMobility / sight / hearing
Records
Step counts, lift counts, room-door widths, walk-in shower availability, induction-loop coverage.
08
Wellness accreditationsSpa & thermal certificates
Records
European thermal-medicine accreditations, ISPA, GSN, regional spa boards — held, lapsed, or revoked.
09
Property licensing & tenureWho owns it, since when
Records
Ownership history, group affiliation, fire & safety inspections, change-of-use registry.
10
Historic preservationListed-building status
Records
National heritage registers, architectural protections, recent renovation permits and disputes.
11
Public-health recordsHospital & pharmacy proximity
Records
Distance to nearest A&E, English-speaking practitioners, EHIC/insurance acceptance, vaccine status.
12
Climate trendsThirty-year drift
Place
Long-range temperature and precipitation drift; shoulder-season widening; heatwave probability.
13
Air-quality & noise indicesAmbient environment
Place
PM2.5, NO₂, daytime & nighttime sound-level readings near the property and its principal walks.
14
Crime & safety indicesLocal, by quarter-mile
Place
Local reported-incident rate, pickpocketing patterns, late-night safety, FCDO advisories.
15
Transit & routingStep-free door to door
Place
Step-free routing from arrival airport / station; taxi reliability; rail-platform gap and height.
16
Airline-route stabilityWill the route still exist?
Place
Long-term route-survival statistics, slot stability, schedule reliability, carrier track record.
17
Cultural calendarConcerts, festivals, closures
Place
Museum, opera, concert and gallery programming; high-noise festival windows; civic closures.
18
Reader-letter indexArchived sentiment
Editorial
Reader letters the publication has received, indexed by property, region, and topic.
19
Editor field notesFrom prior visits
Editorial
Notebooks & dictation from previous Verified Stays — readable across the Editorial Board.
20
Regional pressLocal newspapers, in language
Editorial
Local-paper coverage in 31 languages — ownership changes, closures, council disputes, openings.
21
Guidebook & periodical archiveHistorical cuttings
Editorial
Decades of guidebook revisions and periodical cuttings, scanned and indexed by property & place.
22
Dietary & allergy registriesWhat can the kitchen do?
Sentiment
Coeliac, kosher, halal, low-sodium accommodation; guest reports on cross-contamination & care.
These categories and weights represent our ideal research guidelines. Not all sources are available for every property, and our AI-driven systems apply them flexibly where data permits. Weight indicates target priority, not a binding mathematical formula.