The following publications are possibly variants of this publication:
- Utilizing a Simple Ontology to Manage Keywords of Contextual AdvertisingTaesang Lee, Kyongmin Kim, Wonhee Lee, Dongun An, Seungjong Chung, Youngkweon Jang. swws 2007: 181
- Semantic contextual advertising based on the open directory projectJung-Hyun Lee, JongWoo Ha, Jin-Yong Jung, SangKeun Lee. tweb, 7(4):24, 2013. [doi]