Yue Wang and Jixin Ma and Brian Knight, A Visualized Framework for Representing Uncertain and Incomplete Temporal Knowledge. journal = {International Journal of Computer and Information Engineering}, [online]. World Academy of Science, Engineering and Technology. October 2013, vol. 83(11). 1424 - 1430 [viewed 20 September 2024]. Available from: https://publications.waset.org/pdf/17359.