Activity-based topic discovery
Dandan Zhu, Yusuke Fukazawa, Eleftheerios Karapetsas, Jun Ota · Web Intelligence and Agent Systems An International Journal · 2014
A topic model capable of assigning word pairs to associated topics is developed to explore people's activities. Considering that the form of word pairs led by verbs is a more effective way to express people's activities than separate words, we incorp