Table 1 Variable Description (6 954 daily snapshots; 57 WCCs; 1 March–30 June 2024).

From: ProWaste for proactive urban waste management using IoT and machine learning

Variable

Role

Type / Unit

Description

Collection source

Update freq.

Date

Calendar day of snapshot (00:00–23:59).

Edge-gateway system clock

Daily

WCC_ID

Unique Waste-Collection-Centre identifier (wcc001–057)

 

Population_Category

X-var

Cat. {High, Moderate, Low}

Residential density within 10 km radius of the WCC.

GeoIQ population raster (100 m)

2–3 yr

Avg_Dist_Public_Centers_km

X-var

Float (km)

Road-network mean distance to schools, malls, hotels, clubs (10 km buffer).

Google Maps Distance API

Monthly

Avg_Dist_Transit_km

X-var

Float (km)

Mean distance to major transit hubs (rail/bus depots, airport, parking).

Google Maps Distance API

Monthly

Avg_Dist_WaterBodies_km

X-var

Float (km)

Mean distance to perennial water bodies (rivers, lakes, open drains) within 10 km (road-network distance).

Google Maps Distance API

Monthly

Temperature_C

X-var

Float (°C)

Daily mean ambient temperature at the WCC centroid.

Open-Meteo API (ERA5 down-scale)

Daily

Air_Pollution_AQI

X-var

Integer (AQI)

Daily mean Air-Quality Index (CPCB scale).

OpenAQ API (nearest station)

Daily

Humidity_%

X-var

Integer (%)

Daily mean relative humidity.

Open-Meteo API

Daily

Precipitation_mm

X-var

Float (mm)

Daily total rainfall proxy.

Open-Meteo API

Daily

Current_Season

X-var

Cat. {Normal, Negative}

Macro-climatic regime: Normal = Spring/Autumn/Winter, Negative = Summer/Rainy.

Open-Meteo seasonal calendar

2–4 months

TimeSinceLastMaintenance_days

X-var

Integer (days)

Days elapsed since the last logged maintenance visit.

SSWM mobile-app event log

Daily (auto)

Avg_House_Structure

X-var

Cat. {HighAp., ModerateAp., LowAp.}

Dominant housing pattern (apartments vs. single homes) in 10 km buffer.

Google Places POI count

Annual

Weekly_Waste_Accumulation

X-var

Cat. {High, Moderate, Low}

Seven-day moving-window waste build-up category.

Derived from historic criticality logs

Weekly

Infrastructure_Condition

X-var

Cat. {WellMaintained, SufficientlyMaintained, PoorlyMaintained}

Subjective rating of roads, drains, and lighting around WCC.

Manual entry by municipal engineer

Monthly

Approx_Public_Gatherings

X-var

Integer (events)

Number of temporary public events (festivals, fairs, rallies) within 10 km during the preceding month.

Manual entry by municipal culture office

Monthly

Construction_Frequency

X-var

Cat. {High, Moderate, Low}

Intensity of construction or other sanctioned social works within 10 km, derived from active permits and field audit.

Municipal permit database + engineer survey

Quarterly

CriticalityClass

Target

Cat. {Low, Moderate, High}

Priority label used for route scheduling.

Classifier

Daily