Knowledge Graph 25 Classes (Momo)
3 min read
| Group | Classes |
|---|---|
| Customer/Member | Customer · Membership · Household · Persona · LiveViewer (live viewing event unit) |
| Product | Product · Category · Brand · LongTailSKU (long-tail identification) · Bundle |
| Transaction/Behavior | OrderTransaction (App · Web) · TVPurchase (TV home-shopping) · LiveStreamPurchase (live broadcast) · CartEvent · ReviewRating |
| Channel/Campaign | Channel · Campaign · Promotion · Touchpoint · Coupon |
| Operations/External | DeliverySLA (in-house logistics measurement) · LiveStream (live-broadcast metadata) · WeatherSignal · EconomicSignal · CompetitorSignal · Compliance |
Momo-Specific Classes
LiveStream (Live Broadcast)
| Attributes |
|---|
| stream_id · host · start_at · end_at · concurrent_peak · sku_list |
LiveStreamPurchase
| Attributes |
|---|
| txn_id · stream_id · viewer_id · sku · timestamp · time_offset_from_pin |
DeliverySLA
| Attributes |
|---|
| order_id · region · promised_at · actual_at · delay_min · fulfillment_center_id |
LongTailSKU
| Attributes |
|---|
| sku · monthly_sales · category_avg · longtail_score |
Key Relationships
Expand the diagram to read labels and follow connections.
Diagram
Edge estimate ~800K (massive SKU + live events + delivery logs).
openCypher Examples
S9-Mo: Live-broadcast Attribution
MATCH (l:LiveStream {stream_id: $sid})
MATCH (v:Customer)-[:HAS_VIEWED]->(l)
OPTIONAL MATCH (v)-[:MADE]->(p:LiveStreamPurchase {stream_id: $sid})
RETURN count(DISTINCT v) AS viewers, count(DISTINCT p) AS converters,
sum(p.amount) AS gmv
S10-Mo: 24-hour SLA Breach
MATCH (sla:DeliverySLA)
WHERE sla.actual_at - sla.promised_at > duration('PT0H')
AND sla.promised_at > datetime() - duration('P7D')
RETURN sla.region, count(*) AS breaches, avg(sla.delay_min) AS avg_delay
ORDER BY breaches DESC
Indexes
| Index | Analyzer |
|---|---|
idx_product | Smartcn |
idx_review | Smartcn |
idx_livestream | Smartcn (broadcast text · host commentary) |
idx_social_trend | Smartcn (Dcard · Instagram) |