Research Article

Online Knowledge-Based Model for Big Data Topic Extraction

Table 1

OAMC positive and negative knowledge rules with high utility.

TypeKnowledge

+ive(tech, support), (cable, usb), (pro, con), (customer, support), (batter, charge), (video, card), (high, long), (connection, vga), (operating, system), (monitor, macbook), (mac, support), (cd, dvd), (windows, xp), (money, worth), (inch, picture), (input, output), (friend, mine), (big, deal)

−ive(sound, money), (feature, battery), (battery, price), (feature, battery), (price, device), (screen, sound), (review, screen), (worse, digital), (price, easy), (gas, screen), (signal, easy), (home, gps), (hotel, traffic), (driver, cooler), (monitor, processor), (monitor, speed)