Table 3.

Topic names, topic intensity and example words with high probabilities.

Topic number	Topic name	Topic intensity	Example words with high probabilities
1	Shipping speed	0.0109	Seller, time, long, order, sent, day, month, delivery, week, received
2	Gifts	0.0048	Glass, film, cover, case, protective, silicone, screen, adapter, headphone, charger
3	Cell phone version	0.0087	New, version, came, ordered, global, Chinese, review, cool, later, add
4	Item as described	0.0039	Description, corresponds, beautiful, color, look, good, according, characteristic, match, declared
5	Cell phone performance	0.0026	Note, gb, properly, test, 8, bought, 6, show, loved, 128
6	Seller recommendation	0.0079	Excellent, great, fast, recommend, seller, quality, price, liked, device, nice
7	Customs efficiency and tariff	0.0127	Arrived, day, taxed, good, well, perfect, condition, fast, took, came
8	Cell phone function	0.0085	Camera, battery, good, work, screen, use, well, charge, normal, sound
9	Trust in sellers	0.0036	Store, shipping, buy, service, far, hope, definitely, first, impression, reliable
10	Logistics service	0.0145	Everything, came, day, seller, delivery, quickly, work, fine, packed, fast
11	Value for money	0.0051	Price, best, without, custom, buy, cost, value, problem, paid, purchase
12	Logistics package quality	0.0023	Perfectly, packed, working, normally, top, work, equipment, flight, solid, fall
13	Customs dispute	0.0054	Custom, money, pay, seller, post, dispute, office, parcel, opened, duty
14	Shopping experience	0.0089	Good, thank, seller, happy, everything, satisfied, received, fast, ok, purchase

A stronger representation of the topic intensity column in bold.